package dockerignore import ( "fmt" "io/ioutil" "os" "path/filepath" "testing" ) func TestReadAll(t *testing.T) { tmpDir, err := ioutil.TempDir("", "dockerignore-test") if err != nil { t.Fatal(err) } defer os.RemoveAll(tmpDir) di, err := ReadAll(nil) if err != nil { t.Fatalf("Expected not to have error, got %v", err) } if diLen := len(di); diLen != 0 { t.Fatalf("Expected to have zero dockerignore entry, got %d", diLen) } diName := filepath.Join(tmpDir, ".dockerignore") content := fmt.Sprintf("test1\n/test2\n/a/file/here\n\nlastfile\n# this is a comment\n! /inverted/abs/path\n!\n! \n") err = ioutil.WriteFile(diName, []byte(content), 0777) if err != nil { t.Fatal(err) } diFd, err := os.Open(diName) if err != nil { t.Fatal(err) } defer diFd.Close() di, err = ReadAll(diFd) if err != nil { t.Fatal(err) } if len(di) != 7 { t.Fatalf("Expected 5 entries, got %v", len(di)) } if di[0] != "test1" { t.Fatal("First element is not test1") } if di[1] != "test2" { // according to https://docs.docker.com/engine/reference/builder/#dockerignore-file, /foo/bar should be treated as foo/bar t.Fatal("Second element is not test2") } if di[2] != "a/file/here" { // according to https://docs.docker.com/engine/reference/builder/#dockerignore-file, /foo/bar should be treated as foo/bar t.Fatal("Third element is not a/file/here") } if di[3] != "lastfile" { t.Fatal("Fourth element is not lastfile") } if di[4] != "!inverted/abs/path" { t.Fatal("Fifth element is not !inverted/abs/path") } if di[5] != "!" { t.Fatalf("Sixth element is not !, but %s", di[5]) } if di[6] != "!" { t.Fatalf("Sixth element is not !, but %s", di[6]) } }