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go/cmd/godoc/godoc_test.go
Brad Garcia aaca3a4f95 godoc: Remove bogus messages referring to "/target".
Fix package text display spacing.
Fixes golang/go#7395.

R=bradfitz, sameer
CC=golang-codereviews
https://golang.org/cl/68210043
2014-02-26 13:21:44 -05:00

83 lines
1.6 KiB
Go

// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main_test
import (
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"regexp"
"runtime"
"strings"
"testing"
)
var godocTests = []struct {
args []string
matches []string // regular expressions
}{
{
[]string{"fmt"},
[]string{
`import "fmt"`,
`Package fmt implements formatted I/O`,
},
},
{
[]string{"io", "WriteString"},
[]string{
`func WriteString\(`,
`WriteString writes the contents of the string s to w`,
},
},
{
[]string{"nonexistingpkg"},
[]string{
`no such file or directory`,
},
},
{
[]string{"fmt", "NonexistentSymbol"},
[]string{
`No match found\.`,
},
},
}
// Basic regression test for godoc command-line tool.
func TestGodoc(t *testing.T) {
tmp, err := ioutil.TempDir("", "godoc-regtest-")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmp)
bin := filepath.Join(tmp, "godoc")
if runtime.GOOS == "windows" {
bin += ".exe"
}
cmd := exec.Command("go", "build", "-o", bin)
if err := cmd.Run(); err != nil {
t.Fatalf("Building godoc: %v", err)
}
for _, test := range godocTests {
cmd := exec.Command(bin, test.args...)
cmd.Args[0] = "godoc"
out, err := cmd.CombinedOutput()
if err != nil {
t.Errorf("Running with args %#v: %v", test.args, err)
continue
}
for _, pat := range test.matches {
re := regexp.MustCompile(pat)
if !re.Match(out) {
t.Errorf("godoc %v =\n%s\nwanted /%v/", strings.Join(test.args, " "), out, pat)
}
}
}
}