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TestDispatch: refactor to use subtests again, and fix linting (structcheck)

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Instead of using a `initDispatchTestCases()` function, declare the test-table
inside `TestDispatch` itself, and run the tests as subtests.

```
[2019-08-27T15:14:51.072Z] builder/dockerfile/evaluator_test.go:18:2: `name` is unused (structcheck)
[2019-08-27T15:14:51.072Z] 	name, expectedError string
```

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2019-08-27 17:26:15 +02:00
parent cd9e4ec240
commit a3f9cb5b63
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GPG key ID: 76698F39D527CE8C
1 changed files with 44 additions and 51 deletions
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95
builder/dockerfile/evaluator_test.go
View file

@ -24,8 +24,11 @@ func init() {
reexec.Init() reexec.Init()
} }
func initDispatchTestCases() []dispatchTestCase { func TestDispatch(t *testing.T) {
dispatchTestCases := []dispatchTestCase{ if runtime.GOOS != "windows" {
skip.If(t, os.Getuid() != 0, "skipping test that requires root")
}
testCases := []dispatchTestCase{
{ {
name: "ADD multiple files to file", name: "ADD multiple files to file",
cmd: &instructions.AddCommand{SourcesAndDest: instructions.SourcesAndDest{ cmd: &instructions.AddCommand{SourcesAndDest: instructions.SourcesAndDest{
@ -92,56 +95,46 @@ func initDispatchTestCases() []dispatchTestCase {
}}, }},
expectedError: "source can't be a URL for COPY", expectedError: "source can't be a URL for COPY",
files: nil, files: nil,
}} },
return dispatchTestCases
}
func TestDispatch(t *testing.T) {
if runtime.GOOS != "windows" {
skip.If(t, os.Getuid() != 0, "skipping test that requires root")
} }
testCases := initDispatchTestCases()
for _, testCase := range testCases { for _, tc := range testCases {
executeTestCase(t, testCase) t.Run(tc.name, func(t *testing.T) {
contextDir, cleanup := createTestTempDir(t, "", "builder-dockerfile-test")
defer cleanup()
for filename, content := range tc.files {
createTestTempFile(t, contextDir, filename, content, 0777)
}
tarStream, err := archive.Tar(contextDir, archive.Uncompressed)
if err != nil {
t.Fatalf("Error when creating tar stream: %s", err)
}
defer func() {
if err = tarStream.Close(); err != nil {
t.Fatalf("Error when closing tar stream: %s", err)
}
}()
context, err := remotecontext.FromArchive(tarStream)
if err != nil {
t.Fatalf("Error when creating tar context: %s", err)
}
defer func() {
if err = context.Close(); err != nil {
t.Fatalf("Error when closing tar context: %s", err)
}
}()
b := newBuilderWithMockBackend()
sb := newDispatchRequest(b, '`', context, NewBuildArgs(make(map[string]*string)), newStagesBuildResults())
err = dispatch(sb, tc.cmd)
assert.Check(t, is.ErrorContains(err, tc.expectedError))
})
} }
} }
func executeTestCase(t *testing.T, testCase dispatchTestCase) {
contextDir, cleanup := createTestTempDir(t, "", "builder-dockerfile-test")
defer cleanup()
for filename, content := range testCase.files {
createTestTempFile(t, contextDir, filename, content, 0777)
}
tarStream, err := archive.Tar(contextDir, archive.Uncompressed)
if err != nil {
t.Fatalf("Error when creating tar stream: %s", err)
}
defer func() {
if err = tarStream.Close(); err != nil {
t.Fatalf("Error when closing tar stream: %s", err)
}
}()
context, err := remotecontext.FromArchive(tarStream)
if err != nil {
t.Fatalf("Error when creating tar context: %s", err)
}
defer func() {
if err = context.Close(); err != nil {
t.Fatalf("Error when closing tar context: %s", err)
}
}()
b := newBuilderWithMockBackend()
sb := newDispatchRequest(b, '`', context, NewBuildArgs(make(map[string]*string)), newStagesBuildResults())
err = dispatch(sb, testCase.cmd)
assert.Check(t, is.ErrorContains(err, testCase.expectedError))
}