Function TestFileSystemCreateThumb

tools/filesystem/filesystem_test.go:875–957

(t *testing.T)

}

func TestFileSystemCreateThumb(t *testing.T) {
	dir := createTestDir(t)
	defer os.RemoveAll(dir)

	fsys, err := filesystem.NewLocal(dir)
	if err != nil {
		t.Fatal(err)
	}
	defer fsys.Close()

	scenarios := []struct {
		file             string
		thumb            string
		size             string
		expectedMimeType string
	}{
		// missing
		{"missing.txt", "thumb_test_missing", "100x100", ""},
		// non-image existing file
		{"test/sub1.txt", "thumb_test_sub1", "100x100", ""},
		// existing image file with existing thumb path = should fail
		{"image.png", "test", "100x100", ""},
		// existing image file with invalid thumb size
		{"image.png", "thumb0", "invalid", ""},
		// existing image file with 0xH thumb size
		{"image.png", "thumb_0xH", "0x100", "image/png"},
		// existing image file with Wx0 thumb size
		{"image.png", "thumb_Wx0", "100x0", "image/png"},
		// existing image file with WxH thumb size
		{"image.png", "thumb_WxH", "100x100", "image/png"},
		// existing image file with WxHt thumb size
		{"image.png", "thumb_WxHt", "100x100t", "image/png"},
		// existing image file with WxHb thumb size
		{"image.png", "thumb_WxHb", "100x100b", "image/png"},
		// existing image file with WxHf thumb size
		{"image.png", "thumb_WxHf", "100x100f", "image/png"},
		// jpg
		{"image.jpg", "thumb.jpg", "100x100", "image/jpeg"},
		// webp (should produce png)
		{"image.webp", "thumb.webp", "100x100", "image/png"},
		// without extension (should extract the mimetype from its stored ContentType)
		{"image_noext", "image_noext.jpeg", "100x100", "image/jpeg"},
	}

	for _, s := range scenarios {
		t.Run(s.file+"_"+s.thumb+"_"+s.size, func(t *testing.T) {
			err := fsys.CreateThumb(s.file, s.thumb, s.size)

			expectErr := s.expectedMimeType == ""

			hasErr := err != nil
			if hasErr != expectErr {
				t.Fatalf("Expected hasErr to be %v, got %v (%v)", expectErr, hasErr, err)
			}

			if hasErr {
				return
			}