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go/godoc/index_test.go
2013-11-12 14:58:47 -08:00

129 lines
2.6 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 godoc
import (
"bytes"
"reflect"
"strings"
"testing"
"code.google.com/p/go.tools/godoc/vfs/mapfs"
)
func newCorpus(t *testing.T) *Corpus {
c := NewCorpus(mapfs.New(map[string]string{
"src/pkg/foo/foo.go": `// Package foo is an example.
package foo
import "bar"
// Foo is stuff.
type Foo struct{}
func New() *Foo {
return new(Foo)
}
`,
"src/pkg/bar/bar.go": `// Package bar is another example to test races.
package bar
`,
"src/pkg/other/bar/bar.go": `// Package bar is another bar package.
package bar
func X() {}
`,
"src/pkg/skip/skip.go": `// Package skip should be skipped.
package skip
func Skip() {}
`,
}))
c.IndexEnabled = true
c.IndexDirectory = func(dir string) bool {
return !strings.Contains(dir, "skip")
}
if err := c.Init(); err != nil {
t.Fatal(err)
}
return c
}
func TestIndex(t *testing.T) {
c := newCorpus(t)
c.UpdateIndex()
ix, _ := c.CurrentIndex()
if ix == nil {
t.Fatal("no index")
}
t.Logf("Got: %#v", ix)
testIndex(t, ix)
}
func TestIndexWriteRead(t *testing.T) {
c := newCorpus(t)
c.UpdateIndex()
ix, _ := c.CurrentIndex()
if ix == nil {
t.Fatal("no index")
}
var buf bytes.Buffer
nw, err := ix.WriteTo(&buf)
if err != nil {
t.Fatalf("Index.WriteTo: %v", err)
}
ix2 := new(Index)
nr, err := ix2.ReadFrom(&buf)
if err != nil {
t.Fatalf("Index.ReadFrom: %v", err)
}
if nr != nw {
t.Errorf("Wrote %d bytes to index but read %d", nw, nr)
}
testIndex(t, ix2)
}
func testIndex(t *testing.T, ix *Index) {
wantStats := Statistics{Bytes: 256, Files: 3, Lines: 16, Words: 6, Spots: 9}
if !reflect.DeepEqual(ix.Stats(), wantStats) {
t.Errorf("Stats = %#v; want %#v", ix.Stats(), wantStats)
}
if _, ok := ix.words["Skip"]; ok {
t.Errorf("the word Skip was found; expected it to be skipped")
}
if got, want := ix.ImportCount(), map[string]int{
"bar": 1,
}; !reflect.DeepEqual(got, want) {
t.Errorf("ImportCount = %v; want %v", got, want)
}
if got, want := ix.PackagePath(), map[string]map[string]bool{
"foo": map[string]bool{
"foo": true,
},
"bar": map[string]bool{
"bar": true,
"other/bar": true,
},
}; !reflect.DeepEqual(got, want) {
t.Errorf("PackagePath = %v; want %v", got, want)
}
if got, want := ix.Exports(), map[string]map[string]SpotKind{
"foo": map[string]SpotKind{
"Foo": TypeDecl,
"New": FuncDecl,
},
"other/bar": map[string]SpotKind{
"X": FuncDecl,
},
}; !reflect.DeepEqual(got, want) {
t.Errorf("Exports = %v; want %v", got, want)
}
}