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// Copyright 2014 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.
// Incomplete source tree on Android.
// +build !android
package buildutil_test
import (
"go/build"
"sort"
"strings"
"testing"
"golang.org/x/tools/go/buildutil"
)
func TestAllPackages(t *testing.T) {
all := buildutil.AllPackages(&build.Default)
set := make(map[string]bool)
for _, pkg := range all {
set[pkg] = true
}
const wantAtLeast = 250
if len(all) < wantAtLeast {
t.Errorf("Found only %d packages, want at least %d", len(all), wantAtLeast)
}
for _, want := range []string{"fmt", "crypto/sha256", "golang.org/x/tools/go/buildutil"} {
if !set[want] {
t.Errorf("Package %q not found; got %s", want, all)
}
}
}
func TestExpandPatterns(t *testing.T) {
tree := make(map[string]map[string]string)
for _, pkg := range []string{
"encoding",
"encoding/xml",
"encoding/hex",
"encoding/json",
"fmt",
} {
tree[pkg] = make(map[string]string)
}
ctxt := buildutil.FakeContext(tree)
for _, test := range []struct {
patterns string
want string
}{
{"", ""},
{"fmt", "fmt"},
{"nosuchpkg", "nosuchpkg"},
{"nosuchdir/...", ""},
{"...", "encoding encoding/hex encoding/json encoding/xml fmt"},
{"encoding/... -encoding/xml", "encoding encoding/hex encoding/json"},
{"... -encoding/...", "fmt"},
{"encoding", "encoding"},
{"encoding/", "encoding"},
} {
var pkgs []string
for pkg := range buildutil.ExpandPatterns(ctxt, strings.Fields(test.patterns)) {
pkgs = append(pkgs, pkg)
}
sort.Strings(pkgs)
got := strings.Join(pkgs, " ")
if got != test.want {
t.Errorf("ExpandPatterns(%s) = %s, want %s",
test.patterns, got, test.want)
}
}
}
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