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|
package libsass
import (
"bytes"
"log"
"os"
"testing"
"github.com/wellington/go-libsass/libs"
)
func TestContextFile(t *testing.T) {
in := bytes.NewBufferString(`div {
span {
color: black;
}
width: 100px;
height: 100px;
}
p {
background: red;
}`)
var out bytes.Buffer
ctx := newContext()
err := ctx.compile(&out, in)
if err != nil {
panic(err)
}
e := `div {
width: 100px;
height: 100px; }
div span {
color: black; }
p {
background: red; }
`
if e != out.String() {
t.Errorf("wanted:\n%s\n"+
"got:\n%s\n", e, out.String())
}
}
func TestContextNilRun(t *testing.T) {
var in, out bytes.Buffer
ctx := newContext()
err := ctx.compile(&out, &in)
if err == nil {
t.Error("No error returned")
}
if e := "No input provided"; e != err.Error() {
t.Errorf("wanted:\n%s\ngot:\n%s", e, err)
}
}
func TestContextRun(t *testing.T) {
in := bytes.NewBufferString(`$red-var: red;
$hex: #00FF00;
div {
background: $hex;
$hex: #00DD00;
font-size: 10pt;
}
`)
var out bytes.Buffer
ctx := newContext()
err := ctx.compile(&out, in)
if err != nil {
panic(err)
}
e := `div {
background: #00FF00;
font-size: 10pt; }
`
if e != out.String() {
t.Errorf("wanted:\n%s\n"+
"got:\n%s\n", e, out.String())
}
}
func TestLibsassError(t *testing.T) {
in := bytes.NewBufferString(`div {
color: red(blue, purple);
}`)
var out bytes.Buffer
ctx := newContext()
ctx.Funcs.Add(Func{
Sign: "foo()",
Fn: TestCallback,
Ctx: &ctx,
})
err := ctx.compile(&out, in)
if err == nil {
t.Error("No error thrown for incorrect arity")
}
if e := "wrong number of arguments (2 for 1) for `red'"; e != ctx.err.Message {
t.Errorf("wanted:%s\ngot:%s\n", e, ctx.err.Message)
}
e := `Error > stdin:2
wrong number of arguments (2 for 1) for ` + "`" + `red'
div {
color: red(blue, purple);
}
`
if e != err.Error() {
t.Errorf("wanted:\n%s\ngot:\n%s\n", e, err)
}
}
func ExampleContext_Compile() {
in := bytes.NewBufferString(`div {
color: red(blue);
background: foo();
}`)
ctx := newContext()
ctx.Funcs.Add(Func{
Sign: "foo()",
Fn: func(v interface{}, usv libs.UnionSassValue, rsv *libs.UnionSassValue) error {
res, _ := Marshal("no-repeat")
*rsv = res.Val()
return nil
},
Ctx: &ctx,
})
err := ctx.compile(os.Stdout, in)
if err != nil {
log.Fatal(err)
}
// Output:
// div {
// color: 0;
// background: no-repeat; }
}
func BenchmarkContextCompile(b *testing.B) {
bits := []byte(`div { color: #005500; }`)
big := []byte(`div { color: #005500; } `)
ctx := newContext()
out := bytes.NewBuffer(big)
for i := 0; i < b.N; i++ {
in := bytes.NewBuffer(bits)
out.Reset()
err := ctx.compile(out, in)
if err != nil {
b.Error(err)
}
}
}
|
