mirror of
https://github.com/coredns/coredns.git
synced 2025-11-03 18:53:13 -05:00
9d736fd754
Only output when something is wrong, not by default when you just run with -v. Cleans the test output a little.
103 lines
1.9 KiB
Go
103 lines
1.9 KiB
Go
package test
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import (
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"bufio"
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"io/ioutil"
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"log"
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"os"
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"path/filepath"
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"strconv"
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"testing"
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"github.com/coredns/coredns/core/dnsserver"
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"github.com/mholt/caddy"
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)
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// Pasrse all README.md's of the plugin and check if every example Corefile
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// actually works. Each corefile is only used if the language is set to 'corefile':
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//
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// ~~~ corefile
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// . {
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// # check-this-please
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// }
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// ~~~
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func TestReadme(t *testing.T) {
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port := 30053
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caddy.Quiet = true
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dnsserver.Quiet = true
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log.SetOutput(ioutil.Discard)
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middle := filepath.Join("..", "plugin")
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dirs, err := ioutil.ReadDir(middle)
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if err != nil {
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t.Fatalf("Could not read %s: %q", middle, err)
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}
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for _, d := range dirs {
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if !d.IsDir() {
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continue
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}
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readme := filepath.Join(middle, d.Name())
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readme = filepath.Join(readme, "README.md")
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inputs, err := corefileFromReadme(readme)
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if err != nil {
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continue
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}
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// Test each snippet.
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for _, in := range inputs {
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dnsserver.Port = strconv.Itoa(port)
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server, err := caddy.Start(in)
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if err != nil {
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t.Errorf("Failed to start server with %s, for input %q:\n%s", readme, err, in.Body())
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}
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server.Stop()
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port++
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}
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}
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}
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// corefileFromReadme parses a readme and returns all fragments that
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// have ~~~ corefile (or ``` corefile).
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func corefileFromReadme(readme string) ([]*Input, error) {
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f, err := os.Open(readme)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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s := bufio.NewScanner(f)
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input := []*Input{}
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corefile := false
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temp := ""
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for s.Scan() {
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line := s.Text()
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if line == "~~~ corefile" || line == "``` corefile" {
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corefile = true
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continue
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}
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if corefile && (line == "~~~" || line == "```") {
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// last line
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input = append(input, NewInput(temp))
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temp = ""
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corefile = false
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continue
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}
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if corefile {
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temp += line + "\n" // readd newline stripped by s.Text()
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}
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}
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if err := s.Err(); err != nil {
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return nil, err
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}
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return input, nil
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}
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