示例#1
0
func ExampleSprite_position() {
	in := bytes.NewBufferString(`
$map: sprite-map("*.png", 10px); // One argument
div {
  background-position: sprite-position($map, "140");
}

div.retina {
  background-position: 10px ceil(nth(sprite-position($map, "140"), 2) /2 );
}`)

	comp, err := libsass.New(os.Stdout, in,
		libsass.Payload(payload.New()),
		libsass.ImgDir("../test/img"),
		libsass.BuildDir("../test/build"),
		libsass.ImgBuildDir("../test/build/img"),
	)
	if err != nil {
		log.Fatal(err)
	}

	err = comp.Run()
	if err != nil {
		log.Fatal(err)
	}

	// Output:
	// div {
	//   background-position: 0px, -149px; }
	//
	// div.retina {
	//   background-position: 10px -74px; }
}
示例#2
0
func TestFontURLFail(t *testing.T) {
	in := bytes.NewBufferString(`@font-face {
  src: font-url("arial.eot");
}`)
	var out bytes.Buffer
	comp, err := libsass.New(&out, in,
		libsass.OutputStyle(libsass.NESTED_STYLE),
		libsass.BuildDir("../test/build"),
		libsass.ImgDir("../test/img"),
		libsass.ImgBuildDir("../test/build/img"),
	)
	if err != nil {
		t.Fatal(err)
	}

	err = comp.Run()
	if err == nil {
		t.Fatal("no error reported")
	}
	e := "error in C function font-url: font-url: font path not set"
	if !strings.Contains(err.Error(), e) {
		t.Errorf("got:\n%s\nwanted:\n%s\n", err, e)
	}

}
示例#3
0
func TestFontURL_invalid(t *testing.T) {
	in := bytes.NewBufferString(`@font-face {
  src: font-url(5px);
}`)
	var out bytes.Buffer
	comp, err := libsass.New(&out, in,
		libsass.OutputStyle(libsass.NESTED_STYLE),
		libsass.BuildDir("../test/build"),
		libsass.ImgDir("../test/img"),
		libsass.ImgBuildDir("../test/build/img"),
	)
	if err != nil {
		t.Fatal(err)
	}

	err = comp.Run()
	if err == nil {
		t.Fatal("no error reported")
	}

	e := `Error > stdin:2
error in C function font-url: Invalid Sass type expected: string got: libs.SassNumber value: 5px`
	if !strings.HasPrefix(err.Error(), e) {
		t.Errorf("got:\n%s\nwanted:\n%s", err, e)
	}
}
示例#4
0
func TestSpriteHTTP(t *testing.T) {
	in := bytes.NewBufferString(`
$map: sprite-map("*.png", 10px);
div {
  background: sprite($map, "140");
}`)

	var out bytes.Buffer
	comp, err := libsass.New(&out, in,
		libsass.OutputStyle(libsass.NESTED_STYLE),
		libsass.BuildDir("../test/build"),
		libsass.ImgDir("../test/img"),
		libsass.FontDir("../test/font"),
		libsass.Payload(payload.New()),
		libsass.ImgBuildDir("../test/build/img"),
		libsass.HTTPPath("http://foo.com"),
	)
	if err != nil {
		t.Fatal(err)
	}

	if err := comp.Run(); err != nil {
		t.Fatal(err)
	}

	e := `div {
  background: url("http://foo.com/build/b9d55f.png") 0px -149px; }
`
	if e != out.String() {
		t.Errorf("got:\n%s\nwanted:\n%s", out.String(), e)
	}

}
示例#5
0
func setupComp(t *testing.T, r io.Reader, out io.Writer) (libsass.Compiler, error) {

	comp, err := libsass.New(out, r,
		libsass.OutputStyle(libsass.NESTED_STYLE),
		libsass.BuildDir("../test/build"),
		libsass.ImgDir("../test/img"),
		libsass.FontDir("../test/font"),
		libsass.Payload(payload.New()),
		libsass.ImgBuildDir("../test/build/img"),
	)
	if err != nil {
		t.Fatal(err)
	}
	testSprite(t, comp)

	done := make(chan struct{})
	go func() {
		select {
		case <-time.After(5 * time.Second):
			t.Fatal("setupComp timeout")
		case <-done:
			return
		}
	}()

	err = comp.Run()
	close(done)
	return comp, err
}
示例#6
0
func loadAndBuild(sassFile string, gba *BuildArgs, partialMap *SafePartialMap, out io.WriteCloser, sout io.WriteCloser, buildDir string) error {
	defer func() {
		// BuildDir lets us know if we should closer out. If no buildDir,
		// specified out == os.Stdout and do not close. If buildDir != "",
		// then out must be something we should close.
		// This is important, since out can be many things and inspecting
		// them could be race unsafe.
		if len(buildDir) > 0 {
			out.Close()
			sout.Close()
		}
	}()

	// FIXME: move this elsewhere or make it so it doesn't need to be set
	imgdir := gba.ImageDir
	if len(imgdir) == 0 {
		imgdir = filepath.Dir(sassFile)
	}

	comp, err := libsass.New(out, nil,
		// Options overriding defaults
		libsass.Path(sassFile),
		libsass.ImgDir(imgdir),
		libsass.BuildDir(buildDir),
		libsass.Payload(gba.Payload),
		libsass.Comments(gba.Comments),
		libsass.OutputStyle(gba.Style),
		libsass.FontDir(gba.Font),
		libsass.ImgBuildDir(gba.Gen),
		libsass.IncludePaths(gba.Includes),
		libsass.SourceMap(gba.SourceMap, sout),
	)
	if err != nil {
		return err
	}
	// Start Sass transformation
	err = comp.Run()
	if err != nil {
		return errors.New(color.RedString("%s", err))
	}

	for _, inc := range comp.Imports() {
		partialMap.AddRelation(sassFile, inc)
	}

	// TODO: moves this method to *Build and wait on it to finish
	// go func(file string) {
	select {
	case <-testch:
	default:

	}
	// }(sassFile)
	return nil
}
示例#7
0
func TestError_warn(t *testing.T) {
	oo := os.Stdout
	defer func() {
		os.Stdout = oo
	}()

	r, w, _ := os.Pipe()
	defer w.Close()
	os.Stdout = w

	// Disabled while new warn integration is built
	in := bytes.NewBufferString(`@warn "!";
div { color: red; }`)

	libsass.RegisterHandler("@warn", WarnHandler)

	var out bytes.Buffer
	comp, err := libsass.New(&out, in,
		libsass.OutputStyle(libsass.NESTED_STYLE),
		libsass.BuildDir("../test/build"),
		libsass.ImgDir("../test/img"),
		libsass.ImgBuildDir("../test/build/img"),
	)
	if err != nil {
		t.Fatal(err)
	}

	err = comp.Run()
	if err != nil {
		t.Fatal(err)
	}

	outC := make(chan string)
	go func() {
		var buf bytes.Buffer
		io.Copy(&buf, r)
		outC <- buf.String()
	}()
	w.Close()

	warnout := <-outC
	if len(warnout) == 0 {
		t.Fatal("no error reported")
	}
	e := `WARNING: !`
	if !strings.Contains(warnout, e) {
		t.Errorf("got: %q wanted: %q", warnout, e)
	}
}
示例#8
0
func TestFuncSpriteFile(t *testing.T) {

	comp, err := libsass.New(nil, nil,
		libsass.Payload(payload.New()),
		libsass.ImgDir("../test/img"),
		libsass.BuildDir("../test/build"),
		libsass.ImgBuildDir("../test/build/img"),
	)
	if err != nil {
		t.Fatal(err)
	}

	// Add real arguments when sass lists can be [un]marshalled
	lst := []interface{}{"*.png", "139"}
	usv, err := libsass.Marshal(lst)
	if err != nil {
		t.Fatal(err)
	}

	rsv, err := SpriteFile(libsass.NewCompilerContext(comp), usv)
	if err != nil {
		t.Fatal(err)
	}
	var glob, path string
	err = libsass.Unmarshal(*rsv, &glob, &path)
	if err != nil {
		t.Error(err)
	}

	if e := "*.png"; e != glob {
		t.Errorf("got: %s wanted: %s", e, glob)
	}

	if e := "139"; e != path {
		t.Errorf("got: %s wanted: %s", e, path)
	}

}
示例#9
0
func TestFuncImageURL(t *testing.T) {
	comp, err := libsass.New(nil, nil,
		libsass.BuildDir("../test/build"),
		libsass.ImgDir("../test/img"),
	)
	if err != nil {
		t.Fatal(err)
	}
	ctx := libsass.NewCompilerContext(comp)

	usv, _ := libsass.Marshal([]string{"139.png"})
	rsv, err := ImageURL(ctx, usv)
	if err != nil {
		t.Fatal(err)
	}
	var path string
	err = libsass.Unmarshal(*rsv, &path)
	if err != nil {
		t.Fatal(err)
	}
	if e := "url('../img/139.png')"; e != path {
		t.Errorf("got: %s wanted: %s", path, e)
	}

	// Test sending invalid date to imageURL
	usv, _ = libsass.Marshal(libs.SassNumber{Value: 1, Unit: "px"})
	_, err = ImageURL(ctx, usv)
	if err == nil {
		t.Fatal("error is nil")
	}

	e := "Invalid Sass type expected: slice got: libs.SassNumber value: 1px"

	if e != err.Error() {
		t.Errorf("got: %s wanted: %s", err, e)
	}

}
示例#10
0
func ExampleSprite() {
	in := bytes.NewBufferString(`
$map: sprite-map("*.png", 10px); // One argument
div {
  background: sprite($map, "140");
}`)

	comp, err := libsass.New(os.Stdout, in,
		libsass.Payload(payload.New()),
		libsass.ImgDir("../test/img"),
		libsass.BuildDir("../test/build"),
		libsass.ImgBuildDir("../test/build/img"),
	)
	if err != nil {
		log.Fatal(err)
	}
	if err := comp.Run(); err != nil {
		log.Fatal(err)
	}

	// Output:
	// div {
	//   background: url("img/b9d55f.png") 0px -149px; }
}
示例#11
0
// FromBuildArgs creates a compiler from BuildArgs
func FromBuildArgs(dst io.Writer, dstmap io.Writer, src io.Reader, gba *BuildArgs) (libsass.Compiler, error) {
	if gba == nil {
		return libsass.New(dst, src)
	}
	if gba.Payload == nil {
		gba.init()
	}

	comp, err := libsass.New(dst, src,
		// Options overriding defaults
		// libsass.Path(sassFile), what path should be provided?
		libsass.ImgDir(gba.ImageDir),
		libsass.ImgBuildDir(gba.Gen),
		libsass.BuildDir(gba.BuildDir),
		libsass.Payload(gba.Payload),
		libsass.Comments(gba.Comments),
		libsass.OutputStyle(gba.Style),
		libsass.FontDir(gba.Font),
		libsass.IncludePaths(gba.Includes),
		libsass.CacheBust(gba.CacheBust),
		libsass.SourceMap(gba.SourceMap, dstmap),
	)
	return comp, err
}