From 97c6af53063c3c2a80c2bbb89d757549aadc65b7 Mon Sep 17 00:00:00 2001
From: masaki okamoto <mochikichi@live.jp>
Date: Fri, 18 Jun 2021 15:48:46 +0900
Subject: [PATCH 01/12] first commit


From 9389a72fa22cb9f4f8e8922185c8bd412edaaa90 Mon Sep 17 00:00:00 2001
From: masaki okamoto <mochikichi@live.jp>
Date: Sun, 20 Jun 2021 11:10:08 +0900
Subject: [PATCH 02/12] =?UTF-8?q?simulator=E3=81=AE=E5=AE=9F=E8=A3=85?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 challengeA/okamoto/.gitignore             |   1 +
 challengeA/okamoto/.rspec                 |   1 +
 challengeA/okamoto/Gemfile                |   3 +
 challengeA/okamoto/Gemfile.lock           |  26 +++
 challengeA/okamoto/lib/simulator.rb       | 241 ++++++++++++++++++++++
 challengeA/okamoto/spec/simulator_spec.rb | 230 +++++++++++++++++++++
 challengeA/okamoto/spec/spec_helper.rb    | 100 +++++++++
 7 files changed, 602 insertions(+)
 create mode 100644 challengeA/okamoto/.gitignore
 create mode 100644 challengeA/okamoto/.rspec
 create mode 100644 challengeA/okamoto/Gemfile
 create mode 100644 challengeA/okamoto/Gemfile.lock
 create mode 100644 challengeA/okamoto/lib/simulator.rb
 create mode 100644 challengeA/okamoto/spec/simulator_spec.rb
 create mode 100644 challengeA/okamoto/spec/spec_helper.rb

diff --git a/challengeA/okamoto/.gitignore b/challengeA/okamoto/.gitignore
new file mode 100644
index 000000000..f05cf8c8d
--- /dev/null
+++ b/challengeA/okamoto/.gitignore
@@ -0,0 +1 @@
+/spec/examples.txt
diff --git a/challengeA/okamoto/.rspec b/challengeA/okamoto/.rspec
new file mode 100644
index 000000000..c99d2e739
--- /dev/null
+++ b/challengeA/okamoto/.rspec
@@ -0,0 +1 @@
+--require spec_helper
diff --git a/challengeA/okamoto/Gemfile b/challengeA/okamoto/Gemfile
new file mode 100644
index 000000000..8e9e159ba
--- /dev/null
+++ b/challengeA/okamoto/Gemfile
@@ -0,0 +1,3 @@
+source "https://rubygems.org"
+
+gem 'rspec'
diff --git a/challengeA/okamoto/Gemfile.lock b/challengeA/okamoto/Gemfile.lock
new file mode 100644
index 000000000..f7f91fc03
--- /dev/null
+++ b/challengeA/okamoto/Gemfile.lock
@@ -0,0 +1,26 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    diff-lcs (1.4.4)
+    rspec (3.10.0)
+      rspec-core (~> 3.10.0)
+      rspec-expectations (~> 3.10.0)
+      rspec-mocks (~> 3.10.0)
+    rspec-core (3.10.1)
+      rspec-support (~> 3.10.0)
+    rspec-expectations (3.10.1)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.10.0)
+    rspec-mocks (3.10.2)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.10.0)
+    rspec-support (3.10.2)
+
+PLATFORMS
+  x64-mingw32
+
+DEPENDENCIES
+  rspec
+
+BUNDLED WITH
+   2.2.20
diff --git a/challengeA/okamoto/lib/simulator.rb b/challengeA/okamoto/lib/simulator.rb
new file mode 100644
index 000000000..141371f2d
--- /dev/null
+++ b/challengeA/okamoto/lib/simulator.rb
@@ -0,0 +1,241 @@
+class Simulator
+  attr_reader :contract_amp, :power_usage, :plans
+
+  def initialize(contract_amp, power_usage)
+    @contract_amp = contract_amp
+    @power_usage = power_usage
+    @plans = Plan.new(contract_amp, power_usage)
+  end
+
+  def simulate
+    plans.show_plans
+  end
+end
+
+class Plan
+  attr_reader :contract_amp, :power_usage, :plans
+
+  def initialize(contract_amp, power_usage)
+    @plans = plans
+    @contract_amp = contract_amp
+    @power_usage = power_usage
+  end
+
+  def show_plans
+    plans.map { |plan| available?(plan)? plan_with_price(plan) : nil }.compact
+  end
+
+  private
+
+  def available?(plan)
+    plan[:basic_price].find { |price| price[:ampere] == contract_amp }
+  end
+
+  def plan_with_price(plan)
+    {
+      provider_name: plan[:provider_name],
+      plan_name: plan[:name],
+      price: sum_price(plan)
+    }
+  end
+
+  def sum_price(plan)
+    (basic_price(plan) + pay_per_use_price(plan)).floor
+  end
+
+  def basic_price(plan)
+    plan[:basic_price].find { |price| price[:ampere] == contract_amp }[:price]
+  end
+
+  def pay_per_use_price(plan)
+    sum = 0
+    power_usage_before_stage = 0
+    sorted_pay_per_use_price_lists(plan).each do |price_list|
+      power_usage_current_stage = power_usage - price_list[:min_kwh] - power_usage_before_stage
+      #丸め誤差が生じるため小数点第四位を四捨五入とする
+      sum += (price_list[:price_per_kwh] * power_usage_current_stage).round(3)
+      power_usage_before_stage += power_usage_current_stage
+    end
+    sum
+  end
+
+  def sorted_pay_per_use_price_lists(plan)
+    pay_per_use_price_lists(plan).sort_by {|list| list[:min_kwh]}.reverse
+  end
+
+  def pay_per_use_price_lists(plan)
+    plan[:pay_per_use_price].select { |price| price[:min_kwh] <= power_usage }
+  end
+
+  def plans
+    [
+      {
+        name: '従量電灯B',
+        provider_name: '東京電力エナジーパートナー',
+        basic_price: [
+          {
+            "ampere": 10,
+            "price": 286.0
+          },
+          {
+            "ampere": 15,
+            "price": 429.0
+          },
+          {
+            "ampere": 20,
+            "price": 572.0
+          },
+          {
+            "ampere": 30,
+            "price": 858.0
+          },
+          {
+            "ampere": 40,
+            "price": 1144.0
+          },
+          {
+            "ampere": 50,
+            "price": 1430.0
+          },
+          {
+            "ampere": 60,
+            "price": 1716.0
+          }
+        ],
+        pay_per_use_price: [
+          {
+            "price_per_kwh": 19.88,
+            "min_kwh": 0
+          },
+          {
+            "price_per_kwh": 26.48,
+            "min_kwh": 120
+          },
+          {
+            "price_per_kwh": 30.57,
+            "min_kwh": 300
+          }
+        ]
+      },
+      {
+        name: 'おうちプラン',
+        provider_name: 'Looopでんき',
+        basic_price: [
+          {
+            "ampere": 10,
+            "price": 0
+          },
+          {
+            "ampere": 15,
+            "price": 0
+          },
+          {
+            "ampere": 20,
+            "price": 0
+          },
+          {
+            "ampere": 30,
+            "price": 0
+          },
+          {
+            "ampere": 40,
+            "price": 0
+          },
+          {
+            "ampere": 50,
+            "price": 0
+          },
+          {
+            "ampere": 60,
+            "price": 0
+          }
+        ],
+        pay_per_use_price: [
+          {
+            "price_per_kwh": 26.40,
+            "min_kwh": 0
+          }
+        ]
+      },
+      {
+        name: 'ずっとも電気１',
+        provider_name: '東京ガス',
+        basic_price: [
+          {
+            "ampere": 30,
+            "price": 858.0
+          },
+          {
+            "ampere": 40,
+            "price": 1144.0
+          },
+          {
+            "ampere": 50,
+            "price": 1430.0
+          },
+          {
+            "ampere": 60,
+            "price": 1716.0
+          }
+        ],
+        pay_per_use_price: [
+          {
+            "price_per_kwh": 23.67,
+            "min_kwh": 0
+          },
+          {
+            "price_per_kwh": 23.88,
+            "min_kwh": 140
+          },
+          {
+            "price_per_kwh": 26.41,
+            "min_kwh": 350
+          }
+        ]
+      },
+      {
+        name: '従量電灯Bたっぷりプラン',
+        provider_name: 'JXTGでんき',
+        basic_price: [
+          {
+            "ampere": 30,
+            "price": 858.0
+          },
+          {
+            "ampere": 40,
+            "price": 1144.0
+          },
+          {
+            "ampere": 50,
+            "price": 1430.0
+          },
+          {
+            "ampere": 60,
+            "price": 1716.8
+          }
+        ],
+        pay_per_use_price: [
+          {
+            "price_per_kwh": 19.88,
+            "min_kwh": 0
+          },
+          {
+            "price_per_kwh": 26.48,
+            "min_kwh": 120
+          },
+          {
+            "price_per_kwh": 25.08,
+            "min_kwh": 300
+          },
+          {
+            "price_per_kwh": 26.15,
+            "min_kwh": 600
+          }
+        ]
+      }
+    ]
+  end
+end
+
+simulator = Simulator.new(30,600)
+puts simulator.simulate
diff --git a/challengeA/okamoto/spec/simulator_spec.rb b/challengeA/okamoto/spec/simulator_spec.rb
new file mode 100644
index 000000000..a7d44a7f3
--- /dev/null
+++ b/challengeA/okamoto/spec/simulator_spec.rb
@@ -0,0 +1,230 @@
+require 'spec_helper'
+
+RSpec.describe Plan do
+  TEPCO = '東京電力エナジーパートナー'
+  TEPCO_PLAN1 = '従量電灯B'
+  LOOOP = 'Looopでんき'
+  LOOOP_PLAN1 = 'おうちプラン'
+  TOKYOGAS = '東京ガス'
+  TOKYOGAS_PLAN1 = 'ずっとも電気１'
+  JXTG = 'JXTGでんき'
+  JXTG_PLAN1 = '従量電灯Bたっぷりプラン'
+
+  describe '#show_plans' do
+    let(:plans) { Plan.new(amp, power) }
+    let(:tepco_plan1_price) { plans.show_plans.find {|plan| plan[:provider_name] == TEPCO && plan[:plan_name] == TEPCO_PLAN1 }[:price] }
+    let(:looop_plan1_price) { plans.show_plans.find {|plan| plan[:provider_name] == LOOOP && plan[:plan_name] == LOOOP_PLAN1 }[:price] }
+    let(:tokyogas_plan1_price) { plans.show_plans.find {|plan| plan[:provider_name] == TOKYOGAS && plan[:plan_name] == TOKYOGAS_PLAN1 }[:price] }
+    let(:jxtg_plan1_price) { plans.show_plans.find {|plan| plan[:provider_name] == JXTG && plan[:plan_name] == JXTG_PLAN1 }[:price] }
+
+    shared_examples 'planが2件ヒットすること' do
+      it { expect(plans.show_plans.count).to eq 2 }
+    end
+
+    shared_examples 'planが4件ヒットすること' do
+      it { expect(plans.show_plans.count).to eq 4 }
+    end
+
+    context 'planヒット件数毎のテスト' do
+      context '141kwhの場合' do
+        let(:power) { 141 }
+        context '10Aの場合' do
+          let(:amp) { 10 }
+
+          it_behaves_like 'planが2件ヒットすること'
+          it 'tepco_plan1_の価格が正常であること' do
+            expect(tepco_plan1_price).to eq (286.0 + 120 * 19.88 + (141 - 120) * 26.48).floor
+          end
+          it 'looop_plan1_の価格が正常であること' do
+            expect(looop_plan1_price).to eq (141 * 26.4).floor
+          end
+        end
+
+        context '60Aの場合' do
+          let(:amp) { 60 }
+
+          it_behaves_like 'planが4件ヒットすること'
+          it 'tepco_plan1_の価格が正常であること' do
+            expect(tepco_plan1_price).to eq (1716.0 + 120 * 19.88 + (141 - 120) * 26.48).floor
+          end
+          it 'looop_plan1_の価格が正常であること' do
+            expect(looop_plan1_price).to eq (141 * 26.4).floor
+          end
+          it 'tokyogas_plan1_の価格が正常であること' do
+            expect(tokyogas_plan1_price).to eq (1716.0 + 140 * 23.67 + (141 - 140) * 23.88).floor
+          end
+          it 'jxtg_plan1_の価格が正常であること' do
+            expect(jxtg_plan1_price).to eq (1716.8 + 120 * 19.88 + (141 - 120) * 26.48).floor
+          end
+        end
+      end
+    end
+
+    context '従量制プランの境界値テスト' do
+      context '30Aのとき' do
+        let(:amp) { 30 }
+        context '0kwhのとき' do
+          let(:power) { 0 }
+
+          it_behaves_like 'planが4件ヒットすること'
+          it 'tepco_plan1_の価格が正常であること' do
+            expect(tepco_plan1_price).to eq 858
+          end
+          it 'looop_plan1_の価格が正常であること' do
+            expect(looop_plan1_price).to eq 0
+          end
+          it 'tokyogas_plan1_の価格が正常であること' do
+            expect(tokyogas_plan1_price).to eq 858
+          end
+          it 'jxtg_plan1_の価格が正常であること' do
+            expect(jxtg_plan1_price).to eq 858
+          end
+        end
+
+        context '120kwhのとき' do
+          let(:power) { 120 }
+
+          it_behaves_like 'planが4件ヒットすること'
+          it 'tepco_plan1_の価格が正常であること' do
+            expect(tepco_plan1_price).to eq (858.0 + 120 * 19.88).floor
+          end
+          it 'looop_plan1_の価格が正常であること' do
+            expect(looop_plan1_price).to eq (120 * 26.4).floor
+          end
+          it 'tokyogas_plan1_の価格が正常であること' do
+            expect(tokyogas_plan1_price).to eq (858.0 + 120 * 23.67).floor
+          end
+          it 'jxtg_plan1_の価格が正常であること' do
+            expect(jxtg_plan1_price).to eq (858.0 + 120 * 19.88).floor
+          end
+        end
+
+        context '120kwhのとき' do
+          let(:power) { 120 }
+
+          it_behaves_like 'planが4件ヒットすること'
+          it 'tepco_plan1_の価格が正常であること' do
+            expect(tepco_plan1_price).to eq (858.0 + 120 * 19.88).floor
+          end
+          it 'looop_plan1_の価格が正常であること' do
+            expect(looop_plan1_price).to eq (120 * 26.4).floor
+          end
+          it 'tokyogas_plan1_の価格が正常であること' do
+            expect(tokyogas_plan1_price).to eq (858.0 + 120 * 23.67).floor
+          end
+          it 'jxtg_plan1_の価格が正常であること' do
+            expect(jxtg_plan1_price).to eq (858.0 + 120 * 19.88).floor
+          end
+        end
+
+        context '140kwhのとき' do
+          let(:power) { 140 }
+
+          it_behaves_like 'planが4件ヒットすること'
+          it 'tepco_plan1_の価格が正常であること' do
+            expect(tepco_plan1_price).to eq (858.0 + 120 * 19.88 + (140 - 120) * 26.48).floor
+          end
+          it 'looop_plan1_の価格が正常であること' do
+            expect(looop_plan1_price).to eq (140 * 26.4).floor
+          end
+          it 'tokyogas_plan1_の価格が正常であること' do
+            expect(tokyogas_plan1_price).to eq (858.0 + 140 * 23.67).floor
+          end
+          it 'jxtg_plan1_の価格が正常であること' do
+            expect(jxtg_plan1_price).to eq (858.0 + 120 * 19.88 + (140 - 120) * 26.48).floor
+          end
+        end
+
+        context '300kwhのとき' do
+          let(:power) { 300 }
+
+          it_behaves_like 'planが4件ヒットすること'
+          it 'tepco_plan1_の価格が正常であること' do
+            expect(tepco_plan1_price).to eq (858.0 + 120 * 19.88 + (300 - 120) * 26.48).floor
+          end
+          it 'looop_plan1_の価格が正常であること' do
+            expect(looop_plan1_price).to eq (300 * 26.4).floor
+          end
+          it 'tokyogas_plan1_の価格が正常であること' do
+            expect(tokyogas_plan1_price).to eq (858.0 + 140 * 23.67 + (300 - 140) * 23.88).floor
+          end
+          it 'jxtg_plan1_の価格が正常であること' do
+            expect(jxtg_plan1_price).to eq (858.0 + 120 * 19.88 + (300 - 120) * 26.48).floor
+          end
+        end
+
+        context '300kwhのとき' do
+          let(:power) { 300 }
+
+          it_behaves_like 'planが4件ヒットすること'
+          it 'tepco_plan1_の価格が正常であること' do
+            expect(tepco_plan1_price).to eq (858.0 + 120 * 19.88 + (300 - 120) * 26.48).floor
+          end
+          it 'looop_plan1_の価格が正常であること' do
+            expect(looop_plan1_price).to eq (300 * 26.4).floor
+          end
+          it 'tokyogas_plan1_の価格が正常であること' do
+            expect(tokyogas_plan1_price).to eq (858.0 + 140 * 23.67 + (300 - 140) * 23.88).floor
+          end
+          it 'jxtg_plan1_の価格が正常であること' do
+            expect(jxtg_plan1_price).to eq (858.0 + 120 * 19.88 + (300 - 120) * 26.48).floor
+          end
+        end
+
+        context '350kwhのとき' do
+          let(:power) { 350 }
+
+          it_behaves_like 'planが4件ヒットすること'
+          it 'tepco_plan1_の価格が正常であること' do
+            expect(tepco_plan1_price).to eq (858.0 + 120 * 19.88 + (300 - 120) * 26.48 + (350 - 300) * 30.57).floor
+          end
+          it 'looop_plan1_の価格が正常であること' do
+            expect(looop_plan1_price).to eq (350 * 26.4).floor
+          end
+          it 'tokyogas_plan1_の価格が正常であること' do
+            expect(tokyogas_plan1_price).to eq (858.0 + 140 * 23.67 + (350 - 140) * 23.88).floor
+          end
+          it 'jxtg_plan1_の価格が正常であること' do
+            expect(jxtg_plan1_price).to eq (858.0 + 120 * 19.88 + (300 - 120) * 26.48 + (350 - 300) * 25.08).floor
+          end
+        end
+
+        context '600kwhのとき' do
+          let(:power) { 600 }
+
+          it_behaves_like 'planが4件ヒットすること'
+          it 'tepco_plan1_の価格が正常であること' do
+            expect(tepco_plan1_price).to eq (858.0 + 120 * 19.88 + (300 - 120) * 26.48 + (600 - 300) * 30.57).floor
+          end
+          it 'looop_plan1_の価格が正常であること' do
+            expect(looop_plan1_price).to eq (600 * 26.4).floor
+          end
+          it 'tokyogas_plan1_の価格が正常であること' do
+            expect(tokyogas_plan1_price).to eq (858.0 + 140 * 23.67 + (350 - 140) * 23.88 + (600 - 350) * 26.41).floor
+          end
+          it 'jxtg_plan1_の価格が正常であること' do
+            expect(jxtg_plan1_price).to eq (858.0 + 120 * 19.88 + (300 - 120) * 26.48 + (600 - 300) * 25.08).floor
+          end
+        end
+
+        context '601kwhのとき' do
+          let(:power) { 601 }
+
+          it_behaves_like 'planが4件ヒットすること'
+          it 'tepco_plan1_の価格が正常であること' do
+            expect(tepco_plan1_price).to eq (858.0 + 120 * 19.88 + (300 - 120) * 26.48 + (601 - 300) * 30.57).floor
+          end
+          it 'looop_plan1_の価格が正常であること' do
+            expect(looop_plan1_price).to eq (601 * 26.4).floor
+          end
+          it 'tokyogas_plan1_の価格が正常であること' do
+            expect(tokyogas_plan1_price).to eq (858.0 + 140 * 23.67 + (350 - 140) * 23.88 + (601 - 350) * 26.41).floor
+          end
+          it 'jxtg_plan1_の価格が正常であること' do
+            expect(jxtg_plan1_price).to eq (858.0 + 120 * 19.88 + (300 - 120) * 26.48 + (600 - 300) * 25.08 + (601 - 600) * 26.15).floor
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/challengeA/okamoto/spec/spec_helper.rb b/challengeA/okamoto/spec/spec_helper.rb
new file mode 100644
index 000000000..a57ece4ab
--- /dev/null
+++ b/challengeA/okamoto/spec/spec_helper.rb
@@ -0,0 +1,100 @@
+# This file was generated by the `rspec --init` command. Conventionally, all
+# specs live under a `spec` directory, which RSpec adds to the `$LOAD_PATH`.
+# The generated `.rspec` file contains `--require spec_helper` which will cause
+# this file to always be loaded, without a need to explicitly require it in any
+# files.
+#
+# Given that it is always loaded, you are encouraged to keep this file as
+# light-weight as possible. Requiring heavyweight dependencies from this file
+# will add to the boot time of your test suite on EVERY test run, even for an
+# individual file that may not need all of that loaded. Instead, consider making
+# a separate helper file that requires the additional dependencies and performs
+# the additional setup, and require it from the spec files that actually need
+# it.
+#
+# See http://rubydoc.info/gems/rspec-core/RSpec/Core/Configuration
+RSpec.configure do |config|
+  # rspec-expectations config goes here. You can use an alternate
+  # assertion/expectation library such as wrong or the stdlib/minitest
+  # assertions if you prefer.
+  config.expect_with :rspec do |expectations|
+    # This option will default to `true` in RSpec 4. It makes the `description`
+    # and `failure_message` of custom matchers include text for helper methods
+    # defined using `chain`, e.g.:
+    #     be_bigger_than(2).and_smaller_than(4).description
+    #     # => "be bigger than 2 and smaller than 4"
+    # ...rather than:
+    #     # => "be bigger than 2"
+    expectations.include_chain_clauses_in_custom_matcher_descriptions = true
+  end
+
+  # rspec-mocks config goes here. You can use an alternate test double
+  # library (such as bogus or mocha) by changing the `mock_with` option here.
+  config.mock_with :rspec do |mocks|
+    # Prevents you from mocking or stubbing a method that does not exist on
+    # a real object. This is generally recommended, and will default to
+    # `true` in RSpec 4.
+    mocks.verify_partial_doubles = true
+  end
+
+  # This option will default to `:apply_to_host_groups` in RSpec 4 (and will
+  # have no way to turn it off -- the option exists only for backwards
+  # compatibility in RSpec 3). It causes shared context metadata to be
+  # inherited by the metadata hash of host groups and examples, rather than
+  # triggering implicit auto-inclusion in groups with matching metadata.
+  config.shared_context_metadata_behavior = :apply_to_host_groups
+
+# The settings below are suggested to provide a good initial experience
+# with RSpec, but feel free to customize to your heart's content.
+  # This allows you to limit a spec run to individual examples or groups
+  # you care about by tagging them with `:focus` metadata. When nothing
+  # is tagged with `:focus`, all examples get run. RSpec also provides
+  # aliases for `it`, `describe`, and `context` that include `:focus`
+  # metadata: `fit`, `fdescribe` and `fcontext`, respectively.
+  config.filter_run_when_matching :focus
+
+  # Allows RSpec to persist some state between runs in order to support
+  # the `--only-failures` and `--next-failure` CLI options. We recommend
+  # you configure your source control system to ignore this file.
+  config.example_status_persistence_file_path = "spec/examples.txt"
+
+  # Limits the available syntax to the non-monkey patched syntax that is
+  # recommended. For more details, see:
+  #   - http://rspec.info/blog/2012/06/rspecs-new-expectation-syntax/
+  #   - http://www.teaisaweso.me/blog/2013/05/27/rspecs-new-message-expectation-syntax/
+  #   - http://rspec.info/blog/2014/05/notable-changes-in-rspec-3/#zero-monkey-patching-mode
+  config.disable_monkey_patching!
+
+  # This setting enables warnings. It's recommended, but in some cases may
+  # be too noisy due to issues in dependencies.
+  config.warnings = true
+
+  # Many RSpec users commonly either run the entire suite or an individual
+  # file, and it's useful to allow more verbose output when running an
+  # individual spec file.
+  if config.files_to_run.one?
+    # Use the documentation formatter for detailed output,
+    # unless a formatter has already been configured
+    # (e.g. via a command-line flag).
+    config.default_formatter = "doc"
+  end
+
+  # Print the 10 slowest examples and example groups at the
+  # end of the spec run, to help surface which specs are running
+  # particularly slow.
+  config.profile_examples = 10
+
+  # Run specs in random order to surface order dependencies. If you find an
+  # order dependency and want to debug it, you can fix the order by providing
+  # the seed, which is printed after each run.
+  #     --seed 1234
+  config.order = :random
+
+  # Seed global randomization in this process using the `--seed` CLI option.
+  # Setting this allows you to use `--seed` to deterministically reproduce
+  # test failures related to randomization by passing the same `--seed` value
+  # as the one that triggered the failure.
+  Kernel.srand config.seed
+end
+
+Dir[File.join(File.dirname(__FILE__), "../lib/**/*.rb")].each { |f| require f }

From d410aff2632ac53bab23e0f5db1c03c14d765ec2 Mon Sep 17 00:00:00 2001
From: masaki okamoto <mochikichi@live.jp>
Date: Sun, 20 Jun 2021 11:19:31 +0900
Subject: [PATCH 03/12] =?UTF-8?q?spec=E3=81=AE=E9=87=8D=E8=A4=87=E5=89=8A?=
 =?UTF-8?q?=E9=99=A4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 challengeA/okamoto/spec/simulator_spec.rb | 36 -----------------------
 1 file changed, 36 deletions(-)

diff --git a/challengeA/okamoto/spec/simulator_spec.rb b/challengeA/okamoto/spec/simulator_spec.rb
index a7d44a7f3..8db8aed2d 100644
--- a/challengeA/okamoto/spec/simulator_spec.rb
+++ b/challengeA/okamoto/spec/simulator_spec.rb
@@ -99,24 +99,6 @@
           end
         end
 
-        context '120kwhのとき' do
-          let(:power) { 120 }
-
-          it_behaves_like 'planが4件ヒットすること'
-          it 'tepco_plan1_の価格が正常であること' do
-            expect(tepco_plan1_price).to eq (858.0 + 120 * 19.88).floor
-          end
-          it 'looop_plan1_の価格が正常であること' do
-            expect(looop_plan1_price).to eq (120 * 26.4).floor
-          end
-          it 'tokyogas_plan1_の価格が正常であること' do
-            expect(tokyogas_plan1_price).to eq (858.0 + 120 * 23.67).floor
-          end
-          it 'jxtg_plan1_の価格が正常であること' do
-            expect(jxtg_plan1_price).to eq (858.0 + 120 * 19.88).floor
-          end
-        end
-
         context '140kwhのとき' do
           let(:power) { 140 }
 
@@ -153,24 +135,6 @@
           end
         end
 
-        context '300kwhのとき' do
-          let(:power) { 300 }
-
-          it_behaves_like 'planが4件ヒットすること'
-          it 'tepco_plan1_の価格が正常であること' do
-            expect(tepco_plan1_price).to eq (858.0 + 120 * 19.88 + (300 - 120) * 26.48).floor
-          end
-          it 'looop_plan1_の価格が正常であること' do
-            expect(looop_plan1_price).to eq (300 * 26.4).floor
-          end
-          it 'tokyogas_plan1_の価格が正常であること' do
-            expect(tokyogas_plan1_price).to eq (858.0 + 140 * 23.67 + (300 - 140) * 23.88).floor
-          end
-          it 'jxtg_plan1_の価格が正常であること' do
-            expect(jxtg_plan1_price).to eq (858.0 + 120 * 19.88 + (300 - 120) * 26.48).floor
-          end
-        end
-
         context '350kwhのとき' do
           let(:power) { 350 }
 

From e7e777ead573a14f77b73e104d2922ef4fdda239 Mon Sep 17 00:00:00 2001
From: masaki okamoto <mochikichi@live.jp>
Date: Sun, 20 Jun 2021 12:36:08 +0900
Subject: [PATCH 04/12] =?UTF-8?q?plans=E8=AA=AD=E3=81=BF=E8=BE=BC=E3=81=BF?=
 =?UTF-8?q?=E3=82=92JSON=E3=83=95=E3=82=A1=E3=82=A4=E3=83=AB=E3=81=8B?=
 =?UTF-8?q?=E3=82=89=E3=81=A7=E3=81=8D=E3=82=8B=E3=82=88=E3=81=86=E3=81=AB?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 challengeA/okamoto/data/plans.json  | 166 +++++++++++++++++++++++
 challengeA/okamoto/lib/simulator.rb | 195 +++-------------------------
 2 files changed, 183 insertions(+), 178 deletions(-)
 create mode 100644 challengeA/okamoto/data/plans.json

diff --git a/challengeA/okamoto/data/plans.json b/challengeA/okamoto/data/plans.json
new file mode 100644
index 000000000..70d7c550b
--- /dev/null
+++ b/challengeA/okamoto/data/plans.json
@@ -0,0 +1,166 @@
+[
+  {
+    "name": "従量電灯B",
+    "provider_name": "東京電力エナジーパートナー",
+    "basic_price": [
+      {
+        "ampere": 10,
+        "price": 286.0
+      },
+      {
+        "ampere": 15,
+        "price": 429.0
+      },
+      {
+        "ampere": 20,
+        "price": 572.0
+      },
+      {
+        "ampere": 30,
+        "price": 858.0
+      },
+      {
+        "ampere": 40,
+        "price": 1144.0
+      },
+      {
+        "ampere": 50,
+        "price": 1430.0
+      },
+      {
+        "ampere": 60,
+        "price": 1716.0
+      }
+    ],
+    "pay_per_use_price": [
+      {
+        "price_per_kwh": 19.88,
+        "min_kwh": 0
+      },
+      {
+        "price_per_kwh": 26.48,
+        "min_kwh": 120
+      },
+      {
+        "price_per_kwh": 30.57,
+        "min_kwh": 300
+      }
+    ]
+  },
+  {
+    "name": "おうちプラン",
+    "provider_name": "Looopでんき",
+    "basic_price": [
+      {
+        "ampere": 10,
+        "price": 0
+      },
+      {
+        "ampere": 15,
+        "price": 0
+      },
+      {
+        "ampere": 20,
+        "price": 0
+      },
+      {
+        "ampere": 30,
+        "price": 0
+      },
+      {
+        "ampere": 40,
+        "price": 0
+      },
+      {
+        "ampere": 50,
+        "price": 0
+      },
+      {
+        "ampere": 60,
+        "price": 0
+      }
+    ],
+    "pay_per_use_price": [
+      {
+        "price_per_kwh": 26.40,
+        "min_kwh": 0
+      }
+    ]
+  },
+  {
+    "name": "ずっとも電気１",
+    "provider_name": "東京ガス",
+    "basic_price": [
+      {
+        "ampere": 30,
+        "price": 858.0
+      },
+      {
+        "ampere": 40,
+        "price": 1144.0
+      },
+      {
+        "ampere": 50,
+        "price": 1430.0
+      },
+      {
+        "ampere": 60,
+        "price": 1716.0
+      }
+    ],
+    "pay_per_use_price": [
+      {
+        "price_per_kwh": 23.67,
+        "min_kwh": 0
+      },
+      {
+        "price_per_kwh": 23.88,
+        "min_kwh": 140
+      },
+      {
+        "price_per_kwh": 26.41,
+        "min_kwh": 350
+      }
+    ]
+  },
+  {
+    "name": "従量電灯Bたっぷりプラン",
+    "provider_name": "JXTGでんき",
+    "basic_price": [
+      {
+        "ampere": 30,
+        "price": 858.0
+      },
+      {
+        "ampere": 40,
+        "price": 1144.0
+      },
+      {
+        "ampere": 50,
+        "price": 1430.0
+      },
+      {
+        "ampere": 60,
+        "price": 1716.8
+      }
+    ],
+    "pay_per_use_price": [
+      {
+        "price_per_kwh": 19.88,
+        "min_kwh": 0
+      },
+      {
+        "price_per_kwh": 26.48,
+        "min_kwh": 120
+      },
+      {
+        "price_per_kwh": 25.08,
+        "min_kwh": 300
+      },
+      {
+        "price_per_kwh": 26.15,
+        "min_kwh": 600
+      }
+    ]
+  }
+]
diff --git a/challengeA/okamoto/lib/simulator.rb b/challengeA/okamoto/lib/simulator.rb
index 141371f2d..3372b4422 100644
--- a/challengeA/okamoto/lib/simulator.rb
+++ b/challengeA/okamoto/lib/simulator.rb
@@ -1,3 +1,6 @@
+require 'json'
+JSON_FILE_PATH = '../data/plans.json'
+
 class Simulator
   attr_reader :contract_amp, :power_usage, :plans
 
@@ -16,7 +19,7 @@ class Plan
   attr_reader :contract_amp, :power_usage, :plans
 
   def initialize(contract_amp, power_usage)
-    @plans = plans
+    @plans = json_load
     @contract_amp = contract_amp
     @power_usage = power_usage
   end
@@ -27,14 +30,19 @@ def show_plans
 
   private
 
+  def json_load
+    json_file_path = File.expand_path(JSON_FILE_PATH, __dir__)
+    JSON.load(File.open(json_file_path))
+  end
+
   def available?(plan)
-    plan[:basic_price].find { |price| price[:ampere] == contract_amp }
+    plan['basic_price'].find { |price| price['ampere'] == contract_amp }
   end
 
   def plan_with_price(plan)
     {
-      provider_name: plan[:provider_name],
-      plan_name: plan[:name],
+      provider_name: plan['provider_name'],
+      plan_name: plan['name'],
       price: sum_price(plan)
     }
   end
@@ -44,196 +52,27 @@ def sum_price(plan)
   end
 
   def basic_price(plan)
-    plan[:basic_price].find { |price| price[:ampere] == contract_amp }[:price]
+    plan['basic_price'].find { |price| price['ampere'] == contract_amp }['price']
   end
 
   def pay_per_use_price(plan)
     sum = 0
     power_usage_before_stage = 0
     sorted_pay_per_use_price_lists(plan).each do |price_list|
-      power_usage_current_stage = power_usage - price_list[:min_kwh] - power_usage_before_stage
+      power_usage_current_stage = power_usage - price_list['min_kwh'] - power_usage_before_stage
       #丸め誤差が生じるため小数点第四位を四捨五入とする
-      sum += (price_list[:price_per_kwh] * power_usage_current_stage).round(3)
+      sum += (price_list['price_per_kwh'] * power_usage_current_stage).round(3)
       power_usage_before_stage += power_usage_current_stage
     end
     sum
   end
 
   def sorted_pay_per_use_price_lists(plan)
-    pay_per_use_price_lists(plan).sort_by {|list| list[:min_kwh]}.reverse
+    pay_per_use_price_lists(plan).sort_by {|list| list['min_kwh']}.reverse
   end
 
   def pay_per_use_price_lists(plan)
-    plan[:pay_per_use_price].select { |price| price[:min_kwh] <= power_usage }
-  end
-
-  def plans
-    [
-      {
-        name: '従量電灯B',
-        provider_name: '東京電力エナジーパートナー',
-        basic_price: [
-          {
-            "ampere": 10,
-            "price": 286.0
-          },
-          {
-            "ampere": 15,
-            "price": 429.0
-          },
-          {
-            "ampere": 20,
-            "price": 572.0
-          },
-          {
-            "ampere": 30,
-            "price": 858.0
-          },
-          {
-            "ampere": 40,
-            "price": 1144.0
-          },
-          {
-            "ampere": 50,
-            "price": 1430.0
-          },
-          {
-            "ampere": 60,
-            "price": 1716.0
-          }
-        ],
-        pay_per_use_price: [
-          {
-            "price_per_kwh": 19.88,
-            "min_kwh": 0
-          },
-          {
-            "price_per_kwh": 26.48,
-            "min_kwh": 120
-          },
-          {
-            "price_per_kwh": 30.57,
-            "min_kwh": 300
-          }
-        ]
-      },
-      {
-        name: 'おうちプラン',
-        provider_name: 'Looopでんき',
-        basic_price: [
-          {
-            "ampere": 10,
-            "price": 0
-          },
-          {
-            "ampere": 15,
-            "price": 0
-          },
-          {
-            "ampere": 20,
-            "price": 0
-          },
-          {
-            "ampere": 30,
-            "price": 0
-          },
-          {
-            "ampere": 40,
-            "price": 0
-          },
-          {
-            "ampere": 50,
-            "price": 0
-          },
-          {
-            "ampere": 60,
-            "price": 0
-          }
-        ],
-        pay_per_use_price: [
-          {
-            "price_per_kwh": 26.40,
-            "min_kwh": 0
-          }
-        ]
-      },
-      {
-        name: 'ずっとも電気１',
-        provider_name: '東京ガス',
-        basic_price: [
-          {
-            "ampere": 30,
-            "price": 858.0
-          },
-          {
-            "ampere": 40,
-            "price": 1144.0
-          },
-          {
-            "ampere": 50,
-            "price": 1430.0
-          },
-          {
-            "ampere": 60,
-            "price": 1716.0
-          }
-        ],
-        pay_per_use_price: [
-          {
-            "price_per_kwh": 23.67,
-            "min_kwh": 0
-          },
-          {
-            "price_per_kwh": 23.88,
-            "min_kwh": 140
-          },
-          {
-            "price_per_kwh": 26.41,
-            "min_kwh": 350
-          }
-        ]
-      },
-      {
-        name: '従量電灯Bたっぷりプラン',
-        provider_name: 'JXTGでんき',
-        basic_price: [
-          {
-            "ampere": 30,
-            "price": 858.0
-          },
-          {
-            "ampere": 40,
-            "price": 1144.0
-          },
-          {
-            "ampere": 50,
-            "price": 1430.0
-          },
-          {
-            "ampere": 60,
-            "price": 1716.8
-          }
-        ],
-        pay_per_use_price: [
-          {
-            "price_per_kwh": 19.88,
-            "min_kwh": 0
-          },
-          {
-            "price_per_kwh": 26.48,
-            "min_kwh": 120
-          },
-          {
-            "price_per_kwh": 25.08,
-            "min_kwh": 300
-          },
-          {
-            "price_per_kwh": 26.15,
-            "min_kwh": 600
-          }
-        ]
-      }
-    ]
+    plan['pay_per_use_price'].select { |price| price['min_kwh'] <= power_usage }
   end
 end
 

From 85f883844215c1c15b940bbb8d644cb254f8e4fd Mon Sep 17 00:00:00 2001
From: masaki okamoto <mochikichi@live.jp>
Date: Sun, 20 Jun 2021 13:45:31 +0900
Subject: [PATCH 05/12] =?UTF-8?q?=E5=85=A5=E5=8A=9B=E5=80=A4=E3=82=92?=
 =?UTF-8?q?=E6=A8=99=E6=BA=96=E5=85=A5=E5=8A=9B=E3=81=8B=E3=82=89=E5=8F=97?=
 =?UTF-8?q?=E3=81=91=E5=8F=96=E3=82=8B=E3=82=88=E3=81=86=E3=81=AB=E4=BF=AE?=
 =?UTF-8?q?=E6=AD=A3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 challengeA/okamoto/lib/simulator.rb |  3 ---
 challengeA/okamoto/main.rb          | 35 +++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+), 3 deletions(-)
 create mode 100644 challengeA/okamoto/main.rb

diff --git a/challengeA/okamoto/lib/simulator.rb b/challengeA/okamoto/lib/simulator.rb
index 3372b4422..2b79e8236 100644
--- a/challengeA/okamoto/lib/simulator.rb
+++ b/challengeA/okamoto/lib/simulator.rb
@@ -75,6 +75,3 @@ def pay_per_use_price_lists(plan)
     plan['pay_per_use_price'].select { |price| price['min_kwh'] <= power_usage }
   end
 end
-
-simulator = Simulator.new(30,600)
-puts simulator.simulate
diff --git a/challengeA/okamoto/main.rb b/challengeA/okamoto/main.rb
new file mode 100644
index 000000000..4aede8bba
--- /dev/null
+++ b/challengeA/okamoto/main.rb
@@ -0,0 +1,35 @@
+require './lib/simulator'
+
+AVAILABLE_AMP = [10, 15, 20, 30, 40, 50, 60]
+
+puts '契約アンペア数を数字のみで入力してください。'
+puts "#{AVAILABLE_AMP}の中から選択してください。"
+contract_amp = gets.to_i
+
+unless AVAILABLE_AMP.include?(contract_amp)
+  puts '契約アンペア数の入力が不正です。'
+  exit
+end
+
+puts '電力使用量(kWh)を整数のみで入力してください'
+power_usage = gets.to_i
+
+if power_usage.negative?
+  puts '電力使用量(kWh)は0以上を入力してください。'
+  exit
+end
+
+simulator = Simulator.new(contract_amp, power_usage)
+plan_lists = simulator.simulate
+
+return puts '条件に一致するプランはありません。' if plan_lists.empty?
+
+puts 'ご入力いただいた条件での見積もり結果は以下の通りです。'
+puts "契約アンペア：#{contract_amp}(A), 電力使用量：#{power_usage}(kwh)"
+puts '================================================'
+plan_lists.each do |plan|
+  puts "プロバイダー名：#{plan[:provider_name]}"
+  puts "プラン名：#{plan[:plan_name]}"
+  puts "月額料金：#{plan[:price]}円"
+  puts '================================================'
+end

From 7b78da76028833751549c65e4c94998a2605480e Mon Sep 17 00:00:00 2001
From: masaki okamoto <mochikichi@live.jp>
Date: Sun, 20 Jun 2021 13:47:18 +0900
Subject: [PATCH 06/12] =?UTF-8?q?README=E8=BF=BD=E5=8A=A0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 challengeA/okamoto/README.md | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 challengeA/okamoto/README.md

diff --git a/challengeA/okamoto/README.md b/challengeA/okamoto/README.md
new file mode 100644
index 000000000..d125911d5
--- /dev/null
+++ b/challengeA/okamoto/README.md
@@ -0,0 +1,25 @@
+# CHALLENGE A
+
+## 概要
+
+契約アンペア(A)と月の電力使用量(kWh)の入力に応じて、各プラン名と料金のシミュレーションを行うスクリプトです。
+
+## シミュレーション実行方法
+
+```sh
+ruby main.rb
+```
+
+## データの編集
+
+JSON形式で`/data`のディレクトリに格納しています。プラン追加や編集の際はJSONデータを修正することで対応できるように実装しています。
+
+## テスト
+
+```sh
+bundle exec rspec
+```
+
+## 補足事項
+
+- 合計電気料金は小数点以下切り捨て

From ebb77b12f00cf69007ea0a3decc05f80db308a0c Mon Sep 17 00:00:00 2001
From: masaki okamoto <mochikichi@live.jp>
Date: Sun, 20 Jun 2021 13:55:50 +0900
Subject: [PATCH 07/12] =?UTF-8?q?plan=E3=82=AF=E3=83=A9=E3=82=B9=E3=82=92?=
 =?UTF-8?q?=E5=88=A5=E3=83=95=E3=82=A1=E3=82=A4=E3=83=AB=E3=81=B8=E5=88=86?=
 =?UTF-8?q?=E9=9B=A2?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 challengeA/okamoto/lib/plan.rb                | 63 ++++++++++++++++++
 challengeA/okamoto/lib/simulator.rb           | 64 +------------------
 .../spec/{simulator_spec.rb => plan_spec.rb}  |  0
 3 files changed, 64 insertions(+), 63 deletions(-)
 create mode 100644 challengeA/okamoto/lib/plan.rb
 rename challengeA/okamoto/spec/{simulator_spec.rb => plan_spec.rb} (100%)

diff --git a/challengeA/okamoto/lib/plan.rb b/challengeA/okamoto/lib/plan.rb
new file mode 100644
index 000000000..d907451ae
--- /dev/null
+++ b/challengeA/okamoto/lib/plan.rb
@@ -0,0 +1,63 @@
+require 'json'
+JSON_FILE_PATH = '../data/plans.json'
+
+class Plan
+  attr_reader :contract_amp, :power_usage, :plans
+
+  def initialize(contract_amp, power_usage)
+    @plans = json_load
+    @contract_amp = contract_amp
+    @power_usage = power_usage
+  end
+
+  def show_plans
+    plans.map { |plan| available?(plan)? plan_with_price(plan) : nil }.compact
+  end
+
+  private
+
+  def json_load
+    json_file_path = File.expand_path(JSON_FILE_PATH, __dir__)
+    JSON.load(File.open(json_file_path))
+  end
+
+  def available?(plan)
+    plan['basic_price'].find { |price| price['ampere'] == contract_amp }
+  end
+
+  def plan_with_price(plan)
+    {
+      provider_name: plan['provider_name'],
+      plan_name: plan['name'],
+      price: sum_price(plan)
+    }
+  end
+
+  def sum_price(plan)
+    (basic_price(plan) + pay_per_use_price(plan)).floor
+  end
+
+  def basic_price(plan)
+    plan['basic_price'].find { |price| price['ampere'] == contract_amp }['price']
+  end
+
+  def pay_per_use_price(plan)
+    sum = 0
+    power_usage_before_stage = 0
+    sorted_pay_per_use_price_lists(plan).each do |price_list|
+      power_usage_current_stage = power_usage - price_list['min_kwh'] - power_usage_before_stage
+      #丸め誤差が生じるため小数点第四位を四捨五入とする
+      sum += (price_list['price_per_kwh'] * power_usage_current_stage).round(3)
+      power_usage_before_stage += power_usage_current_stage
+    end
+    sum
+  end
+
+  def sorted_pay_per_use_price_lists(plan)
+    pay_per_use_price_lists(plan).sort_by {|list| list['min_kwh']}.reverse
+  end
+
+  def pay_per_use_price_lists(plan)
+    plan['pay_per_use_price'].select { |price| price['min_kwh'] <= power_usage }
+  end
+end
diff --git a/challengeA/okamoto/lib/simulator.rb b/challengeA/okamoto/lib/simulator.rb
index 2b79e8236..e28cfb6d3 100644
--- a/challengeA/okamoto/lib/simulator.rb
+++ b/challengeA/okamoto/lib/simulator.rb
@@ -1,5 +1,4 @@
-require 'json'
-JSON_FILE_PATH = '../data/plans.json'
+require './lib/plan'
 
 class Simulator
   attr_reader :contract_amp, :power_usage, :plans
@@ -14,64 +13,3 @@ def simulate
     plans.show_plans
   end
 end
-
-class Plan
-  attr_reader :contract_amp, :power_usage, :plans
-
-  def initialize(contract_amp, power_usage)
-    @plans = json_load
-    @contract_amp = contract_amp
-    @power_usage = power_usage
-  end
-
-  def show_plans
-    plans.map { |plan| available?(plan)? plan_with_price(plan) : nil }.compact
-  end
-
-  private
-
-  def json_load
-    json_file_path = File.expand_path(JSON_FILE_PATH, __dir__)
-    JSON.load(File.open(json_file_path))
-  end
-
-  def available?(plan)
-    plan['basic_price'].find { |price| price['ampere'] == contract_amp }
-  end
-
-  def plan_with_price(plan)
-    {
-      provider_name: plan['provider_name'],
-      plan_name: plan['name'],
-      price: sum_price(plan)
-    }
-  end
-
-  def sum_price(plan)
-    (basic_price(plan) + pay_per_use_price(plan)).floor
-  end
-
-  def basic_price(plan)
-    plan['basic_price'].find { |price| price['ampere'] == contract_amp }['price']
-  end
-
-  def pay_per_use_price(plan)
-    sum = 0
-    power_usage_before_stage = 0
-    sorted_pay_per_use_price_lists(plan).each do |price_list|
-      power_usage_current_stage = power_usage - price_list['min_kwh'] - power_usage_before_stage
-      #丸め誤差が生じるため小数点第四位を四捨五入とする
-      sum += (price_list['price_per_kwh'] * power_usage_current_stage).round(3)
-      power_usage_before_stage += power_usage_current_stage
-    end
-    sum
-  end
-
-  def sorted_pay_per_use_price_lists(plan)
-    pay_per_use_price_lists(plan).sort_by {|list| list['min_kwh']}.reverse
-  end
-
-  def pay_per_use_price_lists(plan)
-    plan['pay_per_use_price'].select { |price| price['min_kwh'] <= power_usage }
-  end
-end
diff --git a/challengeA/okamoto/spec/simulator_spec.rb b/challengeA/okamoto/spec/plan_spec.rb
similarity index 100%
rename from challengeA/okamoto/spec/simulator_spec.rb
rename to challengeA/okamoto/spec/plan_spec.rb

From c94a9b9faadca7807d575fbf5788052d9cacd83f Mon Sep 17 00:00:00 2001
From: masaki okamoto <mochikichi@live.jp>
Date: Sun, 20 Jun 2021 14:02:14 +0900
Subject: [PATCH 08/12] =?UTF-8?q?=E5=8F=82=E8=80=83=E6=96=87=E7=8C=AE?=
 =?UTF-8?q?=E3=82=92README=E3=81=AB=E8=BF=BD=E5=8A=A0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 challengeA/okamoto/README.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/challengeA/okamoto/README.md b/challengeA/okamoto/README.md
index d125911d5..88c25156d 100644
--- a/challengeA/okamoto/README.md
+++ b/challengeA/okamoto/README.md
@@ -23,3 +23,8 @@ bundle exec rspec
 ## 補足事項
 
 - 合計電気料金は小数点以下切り捨て
+
+## 参考文献
+
+- オブジェクト指向設計実践ガイド
+- [使えるRSpec入門](https://qiita.com/jnchito/items/42193d066bd61c740612)

From 1cafae68b9f1c26fb315408aacb2b9540c4a3865 Mon Sep 17 00:00:00 2001
From: masaki okamoto <mochikichi@live.jp>
Date: Sun, 20 Jun 2021 14:11:00 +0900
Subject: [PATCH 09/12] =?UTF-8?q?=E5=A5=91=E7=B4=84=E3=82=A2=E3=83=B3?=
 =?UTF-8?q?=E3=83=9A=E3=82=A2=E5=AF=BE=E8=B1=A1=E3=81=8C=E3=81=AA=E3=81=84?=
 =?UTF-8?q?=E5=A0=B4=E5=90=88=E3=81=AE=E3=83=86=E3=82=B9=E3=83=88=E3=82=92?=
 =?UTF-8?q?=E8=BF=BD=E5=8A=A0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 challengeA/okamoto/spec/plan_spec.rb | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/challengeA/okamoto/spec/plan_spec.rb b/challengeA/okamoto/spec/plan_spec.rb
index 8db8aed2d..9f3a061e8 100644
--- a/challengeA/okamoto/spec/plan_spec.rb
+++ b/challengeA/okamoto/spec/plan_spec.rb
@@ -17,6 +17,10 @@
     let(:tokyogas_plan1_price) { plans.show_plans.find {|plan| plan[:provider_name] == TOKYOGAS && plan[:plan_name] == TOKYOGAS_PLAN1 }[:price] }
     let(:jxtg_plan1_price) { plans.show_plans.find {|plan| plan[:provider_name] == JXTG && plan[:plan_name] == JXTG_PLAN1 }[:price] }
 
+    shared_examples 'planがヒットしないこと' do
+      it { expect(plans.show_plans.count).to eq 0 }
+    end
+
     shared_examples 'planが2件ヒットすること' do
       it { expect(plans.show_plans.count).to eq 2 }
     end
@@ -190,5 +194,16 @@
         end
       end
     end
+
+    context '契約アンペア対象がない場合のテスト' do
+      context '141kwhの場合' do
+        let(:power) { 141 }
+        context '70Aの場合' do
+          let(:amp) { 70 }
+
+          it_behaves_like 'planがヒットしないこと'
+        end
+      end
+    end
   end
 end

From e2f9b7f8471fa2786b2577c085c3c144b1da8a02 Mon Sep 17 00:00:00 2001
From: masaki okamoto <mochikichi@live.jp>
Date: Mon, 21 Jun 2021 17:07:41 +0900
Subject: [PATCH 10/12] =?UTF-8?q?Plan=E3=82=AF=E3=83=A9=E3=82=B9=E3=82=92P?=
 =?UTF-8?q?lans=E3=81=A8Plan=E3=81=B8=E5=88=86=E9=9B=A2?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 challengeA/okamoto/lib/plan.rb       | 59 +++++++++++-----------------
 challengeA/okamoto/lib/plans.rb      | 33 ++++++++++++++++
 challengeA/okamoto/lib/simulator.rb  |  4 +-
 challengeA/okamoto/spec/plan_spec.rb |  4 +-
 4 files changed, 61 insertions(+), 39 deletions(-)
 create mode 100644 challengeA/okamoto/lib/plans.rb

diff --git a/challengeA/okamoto/lib/plan.rb b/challengeA/okamoto/lib/plan.rb
index d907451ae..65a4f8cdc 100644
--- a/challengeA/okamoto/lib/plan.rb
+++ b/challengeA/okamoto/lib/plan.rb
@@ -1,50 +1,39 @@
-require 'json'
-JSON_FILE_PATH = '../data/plans.json'
-
 class Plan
-  attr_reader :contract_amp, :power_usage, :plans
-
-  def initialize(contract_amp, power_usage)
-    @plans = json_load
-    @contract_amp = contract_amp
-    @power_usage = power_usage
-  end
+  attr_reader :name, :provider_name, :basic_prices, :pay_per_use_prices
 
-  def show_plans
-    plans.map { |plan| available?(plan)? plan_with_price(plan) : nil }.compact
+  def initialize(name:, provider_name:, basic_prices:, pay_per_use_prices:)
+    @name = name
+    @provider_name = provider_name
+    @basic_prices = basic_prices
+    @pay_per_use_prices = pay_per_use_prices
   end
 
-  private
-
-  def json_load
-    json_file_path = File.expand_path(JSON_FILE_PATH, __dir__)
-    JSON.load(File.open(json_file_path))
+  def available?(contract_amp)
+    basic_prices.find { |price| price['ampere'] == contract_amp }
   end
 
-  def available?(plan)
-    plan['basic_price'].find { |price| price['ampere'] == contract_amp }
-  end
-
-  def plan_with_price(plan)
+  def plan_with_price(contract_amp, power_usage)
     {
-      provider_name: plan['provider_name'],
-      plan_name: plan['name'],
-      price: sum_price(plan)
+      provider_name: provider_name,
+      plan_name: name,
+      price: sum_price(contract_amp, power_usage)
     }
   end
 
-  def sum_price(plan)
-    (basic_price(plan) + pay_per_use_price(plan)).floor
+  private
+
+  def sum_price(contract_amp, power_usage)
+    (basic_price(contract_amp) + pay_per_use_price(power_usage)).floor
   end
 
-  def basic_price(plan)
-    plan['basic_price'].find { |price| price['ampere'] == contract_amp }['price']
+  def basic_price(contract_amp)
+    basic_prices.find { |price| price['ampere'] == contract_amp }['price']
   end
 
-  def pay_per_use_price(plan)
+  def pay_per_use_price(power_usage)
     sum = 0
     power_usage_before_stage = 0
-    sorted_pay_per_use_price_lists(plan).each do |price_list|
+    sorted_pay_per_use_price_lists(power_usage).each do |price_list|
       power_usage_current_stage = power_usage - price_list['min_kwh'] - power_usage_before_stage
       #丸め誤差が生じるため小数点第四位を四捨五入とする
       sum += (price_list['price_per_kwh'] * power_usage_current_stage).round(3)
@@ -53,11 +42,11 @@ def pay_per_use_price(plan)
     sum
   end
 
-  def sorted_pay_per_use_price_lists(plan)
-    pay_per_use_price_lists(plan).sort_by {|list| list['min_kwh']}.reverse
+  def sorted_pay_per_use_price_lists(power_usage)
+    pay_per_use_price_lists(power_usage).sort_by {|list| list['min_kwh']}.reverse
   end
 
-  def pay_per_use_price_lists(plan)
-    plan['pay_per_use_price'].select { |price| price['min_kwh'] <= power_usage }
+  def pay_per_use_price_lists(power_usage)
+    pay_per_use_prices.select { |price| price['min_kwh'] <= power_usage }
   end
 end
diff --git a/challengeA/okamoto/lib/plans.rb b/challengeA/okamoto/lib/plans.rb
new file mode 100644
index 000000000..702011a0f
--- /dev/null
+++ b/challengeA/okamoto/lib/plans.rb
@@ -0,0 +1,33 @@
+require './lib/plan'
+require 'json'
+JSON_FILE_PATH = '../data/plans.json'
+
+class Plans
+  attr_reader :contract_amp, :power_usage, :plans
+
+  def initialize(contract_amp, power_usage)
+    @plans = load_plans
+    @contract_amp = contract_amp
+    @power_usage = power_usage
+  end
+
+  def show_plans
+    plans.map { |plan| plan.available?(contract_amp)? plan.plan_with_price(contract_amp, power_usage) : nil }.compact
+  end
+
+  private
+
+  def load_plans
+    load_json.map {|data| Plan.new(
+      name: data['name'],
+      provider_name: data['provider_name'],
+      basic_prices: data['basic_price'],
+      pay_per_use_prices: data['pay_per_use_price']
+    )}
+  end
+
+  def load_json
+    json_file_path = File.expand_path(JSON_FILE_PATH, __dir__)
+    JSON.load(File.open(json_file_path))
+  end
+end
diff --git a/challengeA/okamoto/lib/simulator.rb b/challengeA/okamoto/lib/simulator.rb
index e28cfb6d3..d48034eb3 100644
--- a/challengeA/okamoto/lib/simulator.rb
+++ b/challengeA/okamoto/lib/simulator.rb
@@ -1,4 +1,4 @@
-require './lib/plan'
+require './lib/plans'
 
 class Simulator
   attr_reader :contract_amp, :power_usage, :plans
@@ -6,7 +6,7 @@ class Simulator
   def initialize(contract_amp, power_usage)
     @contract_amp = contract_amp
     @power_usage = power_usage
-    @plans = Plan.new(contract_amp, power_usage)
+    @plans = Plans.new(contract_amp, power_usage)
   end
 
   def simulate
diff --git a/challengeA/okamoto/spec/plan_spec.rb b/challengeA/okamoto/spec/plan_spec.rb
index 9f3a061e8..2c05fad09 100644
--- a/challengeA/okamoto/spec/plan_spec.rb
+++ b/challengeA/okamoto/spec/plan_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-RSpec.describe Plan do
+RSpec.describe Plans do
   TEPCO = '東京電力エナジーパートナー'
   TEPCO_PLAN1 = '従量電灯B'
   LOOOP = 'Looopでんき'
@@ -11,7 +11,7 @@
   JXTG_PLAN1 = '従量電灯Bたっぷりプラン'
 
   describe '#show_plans' do
-    let(:plans) { Plan.new(amp, power) }
+    let(:plans) { Plans.new(amp, power) }
     let(:tepco_plan1_price) { plans.show_plans.find {|plan| plan[:provider_name] == TEPCO && plan[:plan_name] == TEPCO_PLAN1 }[:price] }
     let(:looop_plan1_price) { plans.show_plans.find {|plan| plan[:provider_name] == LOOOP && plan[:plan_name] == LOOOP_PLAN1 }[:price] }
     let(:tokyogas_plan1_price) { plans.show_plans.find {|plan| plan[:provider_name] == TOKYOGAS && plan[:plan_name] == TOKYOGAS_PLAN1 }[:price] }

From 2efa0199f425ea57000230bf2a741f655e90fe1e Mon Sep 17 00:00:00 2001
From: masaki okamoto <mochikichi@live.jp>
Date: Mon, 21 Jun 2021 17:09:02 +0900
Subject: [PATCH 11/12] =?UTF-8?q?spec=E3=83=95=E3=82=A1=E3=82=A4=E3=83=AB?=
 =?UTF-8?q?=E5=90=8D=E3=82=92=E5=A4=89=E6=9B=B4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 challengeA/okamoto/spec/{plan_spec.rb => plans_spec.rb} | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename challengeA/okamoto/spec/{plan_spec.rb => plans_spec.rb} (100%)

diff --git a/challengeA/okamoto/spec/plan_spec.rb b/challengeA/okamoto/spec/plans_spec.rb
similarity index 100%
rename from challengeA/okamoto/spec/plan_spec.rb
rename to challengeA/okamoto/spec/plans_spec.rb

From 3d2a545da64717756800ac05142741db76f6ea28 Mon Sep 17 00:00:00 2001
From: masaki okamoto <mochikichi@live.jp>
Date: Mon, 21 Jun 2021 17:10:13 +0900
Subject: [PATCH 12/12] =?UTF-8?q?main=E3=81=AEtop=E3=83=AC=E3=83=99?=
 =?UTF-8?q?=E3=83=AB=E3=81=A7=E3=81=AEreturn=E3=81=AF=E3=82=84=E3=82=81?=
 =?UTF-8?q?=E3=82=8B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 challengeA/okamoto/main.rb | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/challengeA/okamoto/main.rb b/challengeA/okamoto/main.rb
index 4aede8bba..729a5e692 100644
--- a/challengeA/okamoto/main.rb
+++ b/challengeA/okamoto/main.rb
@@ -22,14 +22,16 @@
 simulator = Simulator.new(contract_amp, power_usage)
 plan_lists = simulator.simulate
 
-return puts '条件に一致するプランはありません。' if plan_lists.empty?
-
-puts 'ご入力いただいた条件での見積もり結果は以下の通りです。'
-puts "契約アンペア：#{contract_amp}(A), 電力使用量：#{power_usage}(kwh)"
-puts '================================================'
-plan_lists.each do |plan|
-  puts "プロバイダー名：#{plan[:provider_name]}"
-  puts "プラン名：#{plan[:plan_name]}"
-  puts "月額料金：#{plan[:price]}円"
+if plan_lists.empty?
+  puts '条件に一致するプランはありません。'
+else
+  puts 'ご入力いただいた条件での見積もり結果は以下の通りです。'
+  puts "契約アンペア：#{contract_amp}(A), 電力使用量：#{power_usage}(kwh)"
   puts '================================================'
+  plan_lists.each do |plan|
+    puts "プロバイダー名：#{plan[:provider_name]}"
+    puts "プラン名：#{plan[:plan_name]}"
+    puts "月額料金：#{plan[:price]}円"
+    puts '================================================'
+  end
 end