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main_test.go
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311 lines (299 loc) · 7.24 KB
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package main
import (
"os"
"regexp"
"testing"
"github.com/stretchr/testify/assert"
)
func init() {
setupFlags()
}
// Run doMain(...)
//
// Results:
// - output: the content supposed to be sent to stdout
// - error: the content supposed to be sent to stderr
func runDoMainForTesting(args ...string) (output string, error string) {
// setup arguments
oldArgs := os.Args
defer func() { os.Args = oldArgs }()
os.Args = append([]string{"cmd"}, args...)
// clear up output
output = ""
error = ""
// doMain()
doMain(func(text string) {
output += text
}, func(errors []string, printUsage bool, exitCode int) {
if len(errors) > 0 {
for _, errorString := range errors {
error += "Error: " + errorString + "\n"
}
} else {
error = ""
}
})
return
}
func TestDoMainNoArgument(t *testing.T) {
output, error := runDoMainForTesting()
assert.Equal(t, "", output)
assert.Greater(t, len(error), 0, "There should be error")
assert.Equal(t, "Error: flag file or check file must be specified\n", error)
}
func TestDoMainHelp(t *testing.T) {
output, error := runDoMainForTesting("--help")
assert.Equal(t, 0, len(error), "There should be no error")
assert.Equal(t, "", output)
}
var validArgumentsAndExpectedOutputs = []struct {
arguments string
output string
}{
{
"-f package.json testdata/repo1",
`testdata/repo1
testdata/repo1/inbound
testdata/repo1/outbound/New Zealand
testdata/repo1/outbound/china
testdata/repo1/outbound/china/mainland
`,
},
{
"-c package.json testdata/repo1",
`testdata/repo1
testdata/repo1/inbound
testdata/repo1/outbound/New Zealand
testdata/repo1/outbound/china
testdata/repo1/outbound/china/mainland
`,
},
{
"-f package.json -d 0 testdata/repo1",
"testdata/repo1\n",
},
{
"-f package.json --no-default-excludes testdata/repo1",
`testdata/repo1
testdata/repo1/inbound
testdata/repo1/outbound/New Zealand
testdata/repo1/outbound/china
testdata/repo1/outbound/china/mainland
testdata/repo1/outbound/china/mainland/node_modules/package1
testdata/repo1/outbound/china/mainland/node_modules/package2
`,
},
{
"-f package.json --depth 0 testdata/repo1/inbound",
"testdata/repo1/inbound\n",
},
{
"-f package.json --depth 0 --subdirectories-only --no-default-excludes testdata/repo1/inbound",
"",
},
{
"-f package.json --subdirectories-only --no-default-excludes testdata/repo1/outbound/china/mainland",
`testdata/repo1/outbound/china/mainland/node_modules/package1
testdata/repo1/outbound/china/mainland/node_modules/package1/node_modules/package1-1
testdata/repo1/outbound/china/mainland/node_modules/package2
`,
},
{
"-f serverless.* testdata/repo1",
`testdata/repo1/inbound
testdata/repo1/outbound/New Zealand
testdata/repo1/outbound/australia
testdata/repo1/outbound/china/sars
`,
},
{
"-f serverless.ts testdata/repo1",
"testdata/repo1/outbound/china/sars\n",
},
{
"-f serverless.* -c build.gradle testdata/repo1",
`testdata/repo1/outbound/australia
testdata/repo1/outbound/china/sars
`,
},
{
"-f package.* -c package.json testdata/repo1",
`testdata/repo1
testdata/repo1/inbound
testdata/repo1/outbound/New Zealand
testdata/repo1/outbound/china
testdata/repo1/outbound/china/mainland
`,
},
{
"-f package.* -c package.yml testdata/repo1",
`testdata/repo1/api
`,
},
{
`-f package.* -c package.json -e "@types/mocha": testdata/repo1`,
`testdata/repo1/inbound
`,
},
{
`-f package.* -c package.json -e "@types/mocha": -i testdata/repo1`,
`testdata/repo1
testdata/repo1/api
testdata/repo1/outbound/New Zealand
testdata/repo1/outbound/china
testdata/repo1/outbound/china/mainland
`,
},
{
`-f package.* -c package.json -e "volta": testdata/repo1`,
`testdata/repo1/inbound
`,
},
{
`-f package.* -c package.json -e "dependencies":\s*{[^{}]*"volta": testdata/repo1`,
"",
},
{
`-f package.* -c package.json -e "dependencies":\s*{[^{}]*"mocha": testdata/repo1`,
`testdata/repo1/inbound
`,
},
{
`-f build.gradle* testdata/repo1`,
`testdata/repo1/outbound/australia
testdata/repo1/outbound/china/sars
testdata/repo1/outbound/usa
`,
},
{
`-f build.gradle testdata/repo1`,
`testdata/repo1/outbound/australia
testdata/repo1/outbound/china/sars
`,
},
{
`-f build.gradle -f mvn.* testdata/repo1`,
`testdata/repo1/outbound/australia
testdata/repo1/outbound/china/sars
testdata/repo1/storage
`,
},
{
`-a -f build.gradle -f mvn.* testdata/repo1`,
"",
},
{
`-f build.gradle -f mvn.* -x **/australia -x **/storage testdata/repo1`,
`testdata/repo1/outbound/china/sars
`,
},
{
`-f build.gradle -f serverless.* testdata/repo1`,
`testdata/repo1/inbound
testdata/repo1/outbound/New Zealand
testdata/repo1/outbound/australia
testdata/repo1/outbound/china/sars
`,
},
{
`-a -f build.gradle -f serverless.* testdata/repo1`,
`testdata/repo1/outbound/australia
testdata/repo1/outbound/china/sars
`,
},
{
`-a -f build.gradle -f serverless.* -f serverless.ts testdata/repo1`,
`testdata/repo1/outbound/china/sars
`,
},
{
`-f package.json -f serverless.yml testdata/repo1`,
`testdata/repo1
testdata/repo1/inbound
testdata/repo1/outbound/New Zealand
testdata/repo1/outbound/australia
testdata/repo1/outbound/china
testdata/repo1/outbound/china/mainland
`,
},
{
`-a -f package.json -f serverless.yml testdata/repo1`,
`testdata/repo1/inbound
testdata/repo1/outbound/New Zealand
`,
},
{
`-f anything testdata/non-existing-dir`,
"",
},
{
`-f anything --error ignore testdata/non-existing-dir`,
"",
},
{
`-f package.json -c node_modules/package1/package.json testdata/repo1`,
"testdata/repo1/outbound/china/mainland\n",
},
{
`-f package.json -c ../australia/serverless.yml testdata/repo1`,
`testdata/repo1/outbound/New Zealand
testdata/repo1/outbound/china
`,
},
{
`-f package.json -c ../australia testdata/repo1`,
`testdata/repo1/outbound/New Zealand
testdata/repo1/outbound/china
`,
},
{
`-f package.json -c ../australia -i testdata/repo1`,
`testdata/repo1
testdata/repo1/inbound
testdata/repo1/outbound/china/mainland
`,
},
}
var invalidArgumentsAndExpectedOutputs = []struct {
arguments string
output string
error string
}{
{
`testdata/non-existing-dir`,
"",
"Error: flag file or check file must be specified\n",
},
{
`-f anything --error print testdata/non-existing-dir`,
"",
"Error: stat testdata/non-existing-dir: no such file or directory\n",
},
{
`-f anything --error panic testdata/non-existing-dir`,
"",
"Error: stat testdata/non-existing-dir: no such file or directory\n",
},
}
func TestDoMainWithValidArguments(t *testing.T) {
spaces := regexp.MustCompile(" +")
for _, vaaeo := range validArgumentsAndExpectedOutputs {
args := spaces.Split(vaaeo.arguments, -1)
t.Run(vaaeo.arguments, func(t *testing.T) {
output, error := runDoMainForTesting(args...)
assert.Equal(t, 0, len(error), "There should be no error")
assert.Equal(t, vaaeo.output, output, "Should output exactly these")
})
}
}
func TestDoMainWithInvalidArguments(t *testing.T) {
spaces := regexp.MustCompile(" +")
for _, vaaeo := range invalidArgumentsAndExpectedOutputs {
args := spaces.Split(vaaeo.arguments, -1)
t.Run(vaaeo.arguments, func(t *testing.T) {
output, error := runDoMainForTesting(args...)
assert.Equal(t, vaaeo.error, error, "Should generate exactly these error")
assert.Equal(t, vaaeo.output, output, "Should output exactly these")
})
}
}