105 lines
2.3 KiB
Go
105 lines
2.3 KiB
Go
package markdown
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import (
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"bytes"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"testing"
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)
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// for each pair of .text/.html files in the given subdirectory
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// of `./tests' compare the expected html output with
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// the output of Parser.Markdown.
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func runDirTests(dir string, opt *Extensions, t *testing.T) {
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dirPath := filepath.Join("tests", dir)
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f, err := os.Open(dirPath)
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if err != nil {
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t.Fatal(err)
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}
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defer f.Close()
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names, err := f.Readdirnames(-1)
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if err != nil {
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t.Fatal(err)
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}
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var buf bytes.Buffer
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fHTML := ToHTML(&buf)
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fGroff := ToGroffMM(&buf)
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p := NewParser(opt)
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for _, name := range names {
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if filepath.Ext(name) != ".text" {
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continue
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}
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if err = compareOutput(&buf, fHTML, ".html", filepath.Join(dirPath, name), p); err != nil {
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t.Error(err)
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}
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if err = compareOutput(&buf, fGroff, ".mm", filepath.Join(dirPath, name), p); err != nil {
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t.Error(err)
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}
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}
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}
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// Compare the output of the C-based peg-markdown, which
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// is, for each test, available in either a .html or a .mm file accompanying
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// the .text file, with the output of this package's Markdown processor.
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func compareOutput(w *bytes.Buffer, f Formatter, ext string, textPath string, p *Parser) (err error) {
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var bOrig bytes.Buffer
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r, err := os.Open(textPath)
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if err != nil {
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return
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}
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defer r.Close()
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w.Reset()
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p.Markdown(r, f)
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// replace .text extension by `ext'
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base := textPath[:len(textPath)-len(".text")]
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refPath := base + ext
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r, err = os.Open(refPath)
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if err != nil {
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return
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}
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defer r.Close()
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bOrig.ReadFrom(r)
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if bytes.Compare(bOrig.Bytes(), w.Bytes()) != 0 {
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err = fmt.Errorf("test %q failed", refPath)
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}
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return
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}
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func TestMarkdown103(t *testing.T) {
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runDirTests("md1.0.3", nil, t)
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}
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func TestMarkdownIssues(t *testing.T) {
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runDirTests("issues", &Extensions{Notes: true}, t)
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}
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// This test will make the test run fail with a
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// message like "Buffer not empty" under the
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// following condition:
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//
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// There exists an unprocessed, remaining portion of the
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// input buffer after the previous parser call, which
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// consists only of whitespace.
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// This whitespace should have been ignored, but, due to
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// a bug, hasn't.
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func TestTrailingWhitespaceBug(t *testing.T) {
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const input = `* foo
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# bar
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* baz
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`
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var buf bytes.Buffer
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p := NewParser(nil)
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p.Markdown(strings.NewReader(input), ToHTML(&buf))
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}
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