95 lines
2.6 KiB
Go
95 lines
2.6 KiB
Go
package builder
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import (
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"io/ioutil"
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"log"
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"os"
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"sort"
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"testing"
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)
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const shouldStayFilename = "should_stay"
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func extractFilenames(files []os.FileInfo) []string {
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filenames := make([]string, len(files), len(files))
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for i, file := range files {
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filenames[i] = file.Name()
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}
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return filenames
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}
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func checkDirectory(t *testing.T, dir string, expectedFiles []string) {
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files, err := ioutil.ReadDir(dir)
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if err != nil {
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t.Fatalf("Could not read directory: %s", err)
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}
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if len(files) != len(expectedFiles) {
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log.Fatalf("Directory should contain exactly %d file(s), got %d", len(expectedFiles), len(files))
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}
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filenames := extractFilenames(files)
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sort.Strings(filenames)
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sort.Strings(expectedFiles)
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for i, filename := range filenames {
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if filename != expectedFiles[i] {
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t.Fatalf("File %s should be in the directory, got: %s", expectedFiles[i], filename)
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}
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}
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}
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func executeProcess(t *testing.T, contextDir string) {
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modifiableCtx := &tarSumContext{root: contextDir}
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ctx := DockerIgnoreContext{ModifiableContext: modifiableCtx}
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err := ctx.Process([]string{DefaultDockerfileName})
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if err != nil {
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t.Fatalf("Error when executing Process: %s", err)
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}
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}
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func TestProcessShouldRemoveDockerfileDockerignore(t *testing.T) {
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contextDir, cleanup := createTestTempDir(t, "", "builder-dockerignore-process-test")
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defer cleanup()
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createTestTempFile(t, contextDir, shouldStayFilename, testfileContents, 0777)
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createTestTempFile(t, contextDir, dockerignoreFilename, "Dockerfile\n.dockerignore", 0777)
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createTestTempFile(t, contextDir, DefaultDockerfileName, dockerfileContents, 0777)
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executeProcess(t, contextDir)
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checkDirectory(t, contextDir, []string{shouldStayFilename})
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}
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func TestProcessNoDockerignore(t *testing.T) {
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contextDir, cleanup := createTestTempDir(t, "", "builder-dockerignore-process-test")
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defer cleanup()
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createTestTempFile(t, contextDir, shouldStayFilename, testfileContents, 0777)
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createTestTempFile(t, contextDir, DefaultDockerfileName, dockerfileContents, 0777)
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executeProcess(t, contextDir)
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checkDirectory(t, contextDir, []string{shouldStayFilename, DefaultDockerfileName})
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}
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func TestProcessShouldLeaveAllFiles(t *testing.T) {
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contextDir, cleanup := createTestTempDir(t, "", "builder-dockerignore-process-test")
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defer cleanup()
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createTestTempFile(t, contextDir, shouldStayFilename, testfileContents, 0777)
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createTestTempFile(t, contextDir, DefaultDockerfileName, dockerfileContents, 0777)
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createTestTempFile(t, contextDir, dockerignoreFilename, "input1\ninput2", 0777)
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executeProcess(t, contextDir)
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checkDirectory(t, contextDir, []string{shouldStayFilename, DefaultDockerfileName, dockerignoreFilename})
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}
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