diff options
Diffstat (limited to 'vendor/github.com/hashicorp/go-getter/decompress_testing.go')
-rw-r--r-- | vendor/github.com/hashicorp/go-getter/decompress_testing.go | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/vendor/github.com/hashicorp/go-getter/decompress_testing.go b/vendor/github.com/hashicorp/go-getter/decompress_testing.go new file mode 100644 index 00000000..82b8ab4f --- /dev/null +++ b/vendor/github.com/hashicorp/go-getter/decompress_testing.go @@ -0,0 +1,135 @@ +package getter + +import ( + "crypto/md5" + "encoding/hex" + "io" + "io/ioutil" + "os" + "path/filepath" + "reflect" + "runtime" + "sort" + "strings" + + "github.com/mitchellh/go-testing-interface" +) + +// TestDecompressCase is a single test case for testing decompressors +type TestDecompressCase struct { + Input string // Input is the complete path to the input file + Dir bool // Dir is whether or not we're testing directory mode + Err bool // Err is whether we expect an error or not + DirList []string // DirList is the list of files for Dir mode + FileMD5 string // FileMD5 is the expected MD5 for a single file +} + +// TestDecompressor is a helper function for testing generic decompressors. +func TestDecompressor(t testing.T, d Decompressor, cases []TestDecompressCase) { + for _, tc := range cases { + t.Logf("Testing: %s", tc.Input) + + // Temporary dir to store stuff + td, err := ioutil.TempDir("", "getter") + if err != nil { + t.Fatalf("err: %s", err) + } + + // Destination is always joining result so that we have a new path + dst := filepath.Join(td, "subdir", "result") + + // We use a function so defers work + func() { + defer os.RemoveAll(td) + + // Decompress + err := d.Decompress(dst, tc.Input, tc.Dir) + if (err != nil) != tc.Err { + t.Fatalf("err %s: %s", tc.Input, err) + } + if tc.Err { + return + } + + // If it isn't a directory, then check for a single file + if !tc.Dir { + fi, err := os.Stat(dst) + if err != nil { + t.Fatalf("err %s: %s", tc.Input, err) + } + if fi.IsDir() { + t.Fatalf("err %s: expected file, got directory", tc.Input) + } + if tc.FileMD5 != "" { + actual := testMD5(t, dst) + expected := tc.FileMD5 + if actual != expected { + t.Fatalf("err %s: expected MD5 %s, got %s", tc.Input, expected, actual) + } + } + + return + } + + // Convert expected for windows + expected := tc.DirList + if runtime.GOOS == "windows" { + for i, v := range expected { + expected[i] = strings.Replace(v, "/", "\\", -1) + } + } + + // Directory, check for the correct contents + actual := testListDir(t, dst) + if !reflect.DeepEqual(actual, expected) { + t.Fatalf("bad %s\n\n%#v\n\n%#v", tc.Input, actual, expected) + } + }() + } +} + +func testListDir(t testing.T, path string) []string { + var result []string + err := filepath.Walk(path, func(sub string, info os.FileInfo, err error) error { + if err != nil { + return err + } + + sub = strings.TrimPrefix(sub, path) + if sub == "" { + return nil + } + sub = sub[1:] // Trim the leading path sep. + + // If it is a dir, add trailing sep + if info.IsDir() { + sub += string(os.PathSeparator) + } + + result = append(result, sub) + return nil + }) + if err != nil { + t.Fatalf("err: %s", err) + } + + sort.Strings(result) + return result +} + +func testMD5(t testing.T, path string) string { + f, err := os.Open(path) + if err != nil { + t.Fatalf("err: %s", err) + } + defer f.Close() + + h := md5.New() + _, err = io.Copy(h, f) + if err != nil { + t.Fatalf("err: %s", err) + } + + result := h.Sum(nil) + return hex.EncodeToString(result) +} |