From 0463e9ae77b07945f3415585e6522767c5a5245e Mon Sep 17 00:00:00 2001
From: Vince Broz <vince@broz.cc>
Date: Fri, 3 Jan 2020 12:35:04 -0500
Subject: [PATCH] Add public interface spec for use by bigfiles gem

---
 .../quality/bigfiles_use_of_quality_spec.rb   | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 feature/quality/bigfiles_use_of_quality_spec.rb

diff --git a/feature/quality/bigfiles_use_of_quality_spec.rb b/feature/quality/bigfiles_use_of_quality_spec.rb
new file mode 100644
index 0000000..f1fceeb
--- /dev/null
+++ b/feature/quality/bigfiles_use_of_quality_spec.rb
@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+require 'tmpdir'
+require 'quality/threshold'
+
+# Example use from https://github.com/apiology/bigfiles
+
+# This spec is here to make sure we don't break backwards
+# compatibility with how this is used elsewhere (i.e., establish a
+# public interface).
+
+describe Quality do
+  let(:quality_threshold) { ::Quality::Threshold.new('bigfiles') }
+  let(:threshold) { quality_threshold.threshold }
+  let(:threshold_from_file) { 543 }
+  let(:example_files) do
+    {
+      %w[metrics bigfiles_high_water_mark] => "#{threshold_from_file}\n",
+    }
+  end
+
+  around do |example|
+    Dir.mktmpdir do |dir|
+      Dir.chdir(dir) do
+        example_files.each do |(subdir, filename), contents|
+          Dir.mkdir(subdir)
+          Dir.chdir(subdir) do
+            File.write(filename, contents)
+          end
+        end
+        example.run
+      end
+    end
+  end
+
+  it 'continues to behave like it did' do
+    expect(threshold).to eq(threshold_from_file)
+  end
+end