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Dockerignore tests
Signed-off-by: Tomasz Kopczynski <tomek@kopczynski.net.pl>
This commit is contained in:
Tomasz Kopczynski
parent
be390c30cd
commit
555d8cb293
1 changed files with 177 additions and 0 deletions
177
builder/dockerignore_test.go
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177
builder/dockerignore_test.go
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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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"path/filepath"
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"testing"
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)
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func TestProcessShouldRemoveDockerfileDockerignore(t *testing.T) {
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contextDir, err := ioutil.TempDir("", "builder-dockerignore-process-test")
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if err != nil {
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t.Fatalf("Error with creating temporary directory: %s", err)
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}
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defer os.RemoveAll(contextDir)
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testFilename := filepath.Join(contextDir, "should_stay")
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testContent := "test"
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err = ioutil.WriteFile(testFilename, []byte(testContent), 0777)
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if err != nil {
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t.Fatalf("Error when creating should_stay file: %s", err)
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}
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dockerignoreFilename := filepath.Join(contextDir, ".dockerignore")
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dockerignoreContent := "Dockerfile\n.dockerignore"
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err = ioutil.WriteFile(dockerignoreFilename, []byte(dockerignoreContent), 0777)
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if err != nil {
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t.Fatalf("Error when creating .dockerignore file: %s", err)
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}
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dockerfileFilename := filepath.Join(contextDir, DefaultDockerfileName)
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dockerfileContent := "FROM busybox"
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err = ioutil.WriteFile(dockerfileFilename, []byte(dockerfileContent), 0777)
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if err != nil {
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t.Fatalf("Error when creating Dockerfile file: %s", err)
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}
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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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files, err := ioutil.ReadDir(contextDir)
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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) != 1 {
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log.Fatal("Directory should contain exactly one file")
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}
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for _, file := range files {
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if "should_stay" != file.Name() {
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log.Fatalf("File %s should not be in the directory", file.Name())
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}
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}
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}
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func TestProcessNoDockerignore(t *testing.T) {
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contextDir, err := ioutil.TempDir("", "builder-dockerignore-process-test")
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if err != nil {
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t.Fatalf("Error with creating temporary directory: %s", err)
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}
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defer os.RemoveAll(contextDir)
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testFilename := filepath.Join(contextDir, "should_stay")
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testContent := "test"
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err = ioutil.WriteFile(testFilename, []byte(testContent), 0777)
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if err != nil {
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t.Fatalf("Error when creating should_stay file: %s", err)
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}
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dockerfileFilename := filepath.Join(contextDir, DefaultDockerfileName)
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dockerfileContent := "FROM busybox"
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err = ioutil.WriteFile(dockerfileFilename, []byte(dockerfileContent), 0777)
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if err != nil {
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t.Fatalf("Error when creating Dockerfile file: %s", err)
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}
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modifiableCtx := &tarSumContext{root: contextDir}
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ctx := DockerIgnoreContext{ModifiableContext: modifiableCtx}
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ctx.Process([]string{DefaultDockerfileName})
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files, err := ioutil.ReadDir(contextDir)
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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) != 2 {
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log.Fatal("Directory should contain exactly two files")
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}
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for _, file := range files {
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if "should_stay" != file.Name() && DefaultDockerfileName != file.Name() {
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log.Fatalf("File %s should not be in the directory", file.Name())
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}
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}
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}
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func TestProcessShouldLeaveAllFiles(t *testing.T) {
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contextDir, err := ioutil.TempDir("", "builder-dockerignore-process-test")
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if err != nil {
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t.Fatalf("Error with creating temporary directory: %s", err)
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}
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defer os.RemoveAll(contextDir)
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testFilename := filepath.Join(contextDir, "should_stay")
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testContent := "test"
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err = ioutil.WriteFile(testFilename, []byte(testContent), 0777)
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if err != nil {
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t.Fatalf("Error when creating should_stay file: %s", err)
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}
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dockerignoreFilename := filepath.Join(contextDir, ".dockerignore")
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dockerignoreContent := "input1\ninput2"
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err = ioutil.WriteFile(dockerignoreFilename, []byte(dockerignoreContent), 0777)
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if err != nil {
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t.Fatalf("Error when creating .dockerignore file: %s", err)
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}
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dockerfileFilename := filepath.Join(contextDir, DefaultDockerfileName)
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dockerfileContent := "FROM busybox"
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err = ioutil.WriteFile(dockerfileFilename, []byte(dockerfileContent), 0777)
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if err != nil {
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t.Fatalf("Error when creating Dockerfile file: %s", err)
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}
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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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files, err := ioutil.ReadDir(contextDir)
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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) != 3 {
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log.Fatal("Directory should contain exactly three files")
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}
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for _, file := range files {
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if "should_stay" != file.Name() && DefaultDockerfileName != file.Name() && ".dockerignore" != file.Name() {
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log.Fatalf("File %s should not be in the directory", file.Name())
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}
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}
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}
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