markdown/markdown_test.go
Michael Teichgräber e0bd6b6736 add markdown_test.go
2012-07-20 12:51:57 +02:00

74 lines
1.4 KiB
Go

package markdown
import (
"bytes"
"fmt"
"os"
"path/filepath"
"testing"
)
// for each pair of .text/.html files in the given subdirectory
// of `./tests' compare the expected html output with
// the output of Parser.Markdown.
func runDirTests(dir string, t *testing.T) {
dirPath := filepath.Join("tests", dir)
f, err := os.Open(dirPath)
if err != nil {
t.Fatal(err)
}
defer f.Close()
names, err := f.Readdirnames(-1)
if err != nil {
t.Fatal(err)
}
p := NewParser(nil)
for _, name := range names {
if filepath.Ext(name) != ".text" {
continue
}
if err = compareOutput(filepath.Join(dirPath, name), p); err != nil {
t.Error(err)
}
}
}
// Compare the output of the C-based peg-markdown, which
// is, for each test, available in a .html file accompanying the
// .text file, with the output of this package's Markdown processor.
func compareOutput(textPath string, p *Parser) (err error) {
var bOrig, bThis bytes.Buffer
r, err := os.Open(textPath)
if err != nil {
return
}
defer r.Close()
bThis.Reset()
out := ToHTML(&bThis)
p.Markdown(r, out)
// replace .text extension by .html
base := textPath[:len(textPath)-len(".text")]
htmlPath := base + ".html"
r, err = os.Open(htmlPath)
if err != nil {
return
}
defer r.Close()
bOrig.ReadFrom(r)
if bytes.Compare(bOrig.Bytes(), bThis.Bytes()) != 0 {
err = fmt.Errorf("test %q failed", base)
}
return
}
func TestMarkdown103(t *testing.T) {
runDirTests("md1.0.3", t)
}