package fileutils import ( "io/ioutil" "os" "path" "path/filepath" "testing" ) // CopyFile with invalid src func TestCopyFileWithInvalidSrc(t *testing.T) { tempFolder, err := ioutil.TempDir("", "docker-fileutils-test") defer os.RemoveAll(tempFolder) if err != nil { t.Fatal(err) } bytes, err := CopyFile("/invalid/file/path", path.Join(tempFolder, "dest")) if err == nil { t.Fatal("Should have fail to copy an invalid src file") } if bytes != 0 { t.Fatal("Should have written 0 bytes") } } // CopyFile with invalid dest func TestCopyFileWithInvalidDest(t *testing.T) { tempFolder, err := ioutil.TempDir("", "docker-fileutils-test") defer os.RemoveAll(tempFolder) if err != nil { t.Fatal(err) } src := path.Join(tempFolder, "file") err = ioutil.WriteFile(src, []byte("content"), 0740) if err != nil { t.Fatal(err) } bytes, err := CopyFile(src, path.Join(tempFolder, "/invalid/dest/path")) if err == nil { t.Fatal("Should have fail to copy an invalid src file") } if bytes != 0 { t.Fatal("Should have written 0 bytes") } } // CopyFile with same src and dest func TestCopyFileWithSameSrcAndDest(t *testing.T) { tempFolder, err := ioutil.TempDir("", "docker-fileutils-test") defer os.RemoveAll(tempFolder) if err != nil { t.Fatal(err) } file := path.Join(tempFolder, "file") err = ioutil.WriteFile(file, []byte("content"), 0740) if err != nil { t.Fatal(err) } bytes, err := CopyFile(file, file) if err != nil { t.Fatal(err) } if bytes != 0 { t.Fatal("Should have written 0 bytes as it is the same file.") } } // CopyFile with same src and dest but path is different and not clean func TestCopyFileWithSameSrcAndDestWithPathNameDifferent(t *testing.T) { tempFolder, err := ioutil.TempDir("", "docker-fileutils-test") defer os.RemoveAll(tempFolder) if err != nil { t.Fatal(err) } testFolder := path.Join(tempFolder, "test") err = os.MkdirAll(testFolder, 0740) if err != nil { t.Fatal(err) } file := path.Join(testFolder, "file") sameFile := testFolder + "/../test/file" err = ioutil.WriteFile(file, []byte("content"), 0740) if err != nil { t.Fatal(err) } bytes, err := CopyFile(file, sameFile) if err != nil { t.Fatal(err) } if bytes != 0 { t.Fatal("Should have written 0 bytes as it is the same file.") } } func TestCopyFile(t *testing.T) { tempFolder, err := ioutil.TempDir("", "docker-fileutils-test") defer os.RemoveAll(tempFolder) if err != nil { t.Fatal(err) } src := path.Join(tempFolder, "src") dest := path.Join(tempFolder, "dest") ioutil.WriteFile(src, []byte("content"), 0777) ioutil.WriteFile(dest, []byte("destContent"), 0777) bytes, err := CopyFile(src, dest) if err != nil { t.Fatal(err) } if bytes != 7 { t.Fatalf("Should have written %d bytes but wrote %d", 7, bytes) } actual, err := ioutil.ReadFile(dest) if err != nil { t.Fatal(err) } if string(actual) != "content" { t.Fatalf("Dest content was '%s', expected '%s'", string(actual), "content") } } // Reading a symlink to a directory must return the directory func TestReadSymlinkedDirectoryExistingDirectory(t *testing.T) { var err error if err = os.Mkdir("/tmp/testReadSymlinkToExistingDirectory", 0777); err != nil { t.Errorf("failed to create directory: %s", err) } if err = os.Symlink("/tmp/testReadSymlinkToExistingDirectory", "/tmp/dirLinkTest"); err != nil { t.Errorf("failed to create symlink: %s", err) } var path string if path, err = ReadSymlinkedDirectory("/tmp/dirLinkTest"); err != nil { t.Fatalf("failed to read symlink to directory: %s", err) } if path != "/tmp/testReadSymlinkToExistingDirectory" { t.Fatalf("symlink returned unexpected directory: %s", path) } if err = os.Remove("/tmp/testReadSymlinkToExistingDirectory"); err != nil { t.Errorf("failed to remove temporary directory: %s", err) } if err = os.Remove("/tmp/dirLinkTest"); err != nil { t.Errorf("failed to remove symlink: %s", err) } } // Reading a non-existing symlink must fail func TestReadSymlinkedDirectoryNonExistingSymlink(t *testing.T) { var path string var err error if path, err = ReadSymlinkedDirectory("/tmp/test/foo/Non/ExistingPath"); err == nil { t.Fatalf("error expected for non-existing symlink") } if path != "" { t.Fatalf("expected empty path, but '%s' was returned", path) } } // Reading a symlink to a file must fail func TestReadSymlinkedDirectoryToFile(t *testing.T) { var err error var file *os.File if file, err = os.Create("/tmp/testReadSymlinkToFile"); err != nil { t.Fatalf("failed to create file: %s", err) } file.Close() if err = os.Symlink("/tmp/testReadSymlinkToFile", "/tmp/fileLinkTest"); err != nil { t.Errorf("failed to create symlink: %s", err) } var path string if path, err = ReadSymlinkedDirectory("/tmp/fileLinkTest"); err == nil { t.Fatalf("ReadSymlinkedDirectory on a symlink to a file should've failed") } if path != "" { t.Fatalf("path should've been empty: %s", path) } if err = os.Remove("/tmp/testReadSymlinkToFile"); err != nil { t.Errorf("failed to remove file: %s", err) } if err = os.Remove("/tmp/fileLinkTest"); err != nil { t.Errorf("failed to remove symlink: %s", err) } } func TestWildcardMatches(t *testing.T) { match, _ := Matches("fileutils.go", []string{"*"}) if match != true { t.Errorf("failed to get a wildcard match, got %v", match) } } // A simple pattern match should return true. func TestPatternMatches(t *testing.T) { match, _ := Matches("fileutils.go", []string{"*.go"}) if match != true { t.Errorf("failed to get a match, got %v", match) } } // An exclusion followed by an inclusion should return true. func TestExclusionPatternMatchesPatternBefore(t *testing.T) { match, _ := Matches("fileutils.go", []string{"!fileutils.go", "*.go"}) if match != true { t.Errorf("failed to get true match on exclusion pattern, got %v", match) } } // A folder pattern followed by an exception should return false. func TestPatternMatchesFolderExclusions(t *testing.T) { match, _ := Matches("docs/README.md", []string{"docs", "!docs/README.md"}) if match != false { t.Errorf("failed to get a false match on exclusion pattern, got %v", match) } } // A folder pattern followed by an exception should return false. func TestPatternMatchesFolderWithSlashExclusions(t *testing.T) { match, _ := Matches("docs/README.md", []string{"docs/", "!docs/README.md"}) if match != false { t.Errorf("failed to get a false match on exclusion pattern, got %v", match) } } // A folder pattern followed by an exception should return false. func TestPatternMatchesFolderWildcardExclusions(t *testing.T) { match, _ := Matches("docs/README.md", []string{"docs/*", "!docs/README.md"}) if match != false { t.Errorf("failed to get a false match on exclusion pattern, got %v", match) } } // A pattern followed by an exclusion should return false. func TestExclusionPatternMatchesPatternAfter(t *testing.T) { match, _ := Matches("fileutils.go", []string{"*.go", "!fileutils.go"}) if match != false { t.Errorf("failed to get false match on exclusion pattern, got %v", match) } } // A filename evaluating to . should return false. func TestExclusionPatternMatchesWholeDirectory(t *testing.T) { match, _ := Matches(".", []string{"*.go"}) if match != false { t.Errorf("failed to get false match on ., got %v", match) } } // A single ! pattern should return an error. func TestSingleExclamationError(t *testing.T) { _, err := Matches("fileutils.go", []string{"!"}) if err == nil { t.Errorf("failed to get an error for a single exclamation point, got %v", err) } } // A string preceded with a ! should return true from Exclusion. func TestExclusion(t *testing.T) { exclusion := exclusion("!") if !exclusion { t.Errorf("failed to get true for a single !, got %v", exclusion) } } // Matches with no patterns func TestMatchesWithNoPatterns(t *testing.T) { matches, err := Matches("/any/path/there", []string{}) if err != nil { t.Fatal(err) } if matches { t.Fatalf("Should not have match anything") } } // Matches with malformed patterns func TestMatchesWithMalformedPatterns(t *testing.T) { matches, err := Matches("/any/path/there", []string{"["}) if err == nil { t.Fatal("Should have failed because of a malformed syntax in the pattern") } if matches { t.Fatalf("Should not have match anything") } } // An empty string should return true from Empty. func TestEmpty(t *testing.T) { empty := empty("") if !empty { t.Errorf("failed to get true for an empty string, got %v", empty) } } func TestCleanPatterns(t *testing.T) { cleaned, _, _, _ := CleanPatterns([]string{"docs", "config"}) if len(cleaned) != 2 { t.Errorf("expected 2 element slice, got %v", len(cleaned)) } } func TestCleanPatternsStripEmptyPatterns(t *testing.T) { cleaned, _, _, _ := CleanPatterns([]string{"docs", "config", ""}) if len(cleaned) != 2 { t.Errorf("expected 2 element slice, got %v", len(cleaned)) } } func TestCleanPatternsExceptionFlag(t *testing.T) { _, _, exceptions, _ := CleanPatterns([]string{"docs", "!docs/README.md"}) if !exceptions { t.Errorf("expected exceptions to be true, got %v", exceptions) } } func TestCleanPatternsLeadingSpaceTrimmed(t *testing.T) { _, _, exceptions, _ := CleanPatterns([]string{"docs", " !docs/README.md"}) if !exceptions { t.Errorf("expected exceptions to be true, got %v", exceptions) } } func TestCleanPatternsTrailingSpaceTrimmed(t *testing.T) { _, _, exceptions, _ := CleanPatterns([]string{"docs", "!docs/README.md "}) if !exceptions { t.Errorf("expected exceptions to be true, got %v", exceptions) } } func TestCleanPatternsErrorSingleException(t *testing.T) { _, _, _, err := CleanPatterns([]string{"!"}) if err == nil { t.Errorf("expected error on single exclamation point, got %v", err) } } func TestCleanPatternsFolderSplit(t *testing.T) { _, dirs, _, _ := CleanPatterns([]string{"docs/config/CONFIG.md"}) if dirs[0][0] != "docs" { t.Errorf("expected first element in dirs slice to be docs, got %v", dirs[0][1]) } if dirs[0][1] != "config" { t.Errorf("expected first element in dirs slice to be config, got %v", dirs[0][1]) } } func TestCreateIfNotExistsDir(t *testing.T) { tempFolder, err := ioutil.TempDir("", "docker-fileutils-test") if err != nil { t.Fatal(err) } defer os.RemoveAll(tempFolder) folderToCreate := filepath.Join(tempFolder, "tocreate") if err := CreateIfNotExists(folderToCreate, true); err != nil { t.Fatal(err) } fileinfo, err := os.Stat(folderToCreate) if err != nil { t.Fatalf("Should have create a folder, got %v", err) } if !fileinfo.IsDir() { t.Fatalf("Should have been a dir, seems it's not") } } func TestCreateIfNotExistsFile(t *testing.T) { tempFolder, err := ioutil.TempDir("", "docker-fileutils-test") if err != nil { t.Fatal(err) } defer os.RemoveAll(tempFolder) fileToCreate := filepath.Join(tempFolder, "file/to/create") if err := CreateIfNotExists(fileToCreate, false); err != nil { t.Fatal(err) } fileinfo, err := os.Stat(fileToCreate) if err != nil { t.Fatalf("Should have create a file, got %v", err) } if fileinfo.IsDir() { t.Fatalf("Should have been a file, seems it's not") } }