84 lines
1.8 KiB
Go
84 lines
1.8 KiB
Go
// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Incomplete source tree on Android.
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// +build !android
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package buildutil_test
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import (
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"go/build"
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"runtime"
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"sort"
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"strings"
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"testing"
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"golang.org/x/tools/go/buildutil"
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)
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func TestAllPackages(t *testing.T) {
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if runtime.Compiler == "gccgo" {
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t.Skip("gccgo has no standard packages")
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}
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all := buildutil.AllPackages(&build.Default)
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set := make(map[string]bool)
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for _, pkg := range all {
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set[pkg] = true
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}
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const wantAtLeast = 250
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if len(all) < wantAtLeast {
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t.Errorf("Found only %d packages, want at least %d", len(all), wantAtLeast)
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}
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for _, want := range []string{"fmt", "crypto/sha256", "golang.org/x/tools/go/buildutil"} {
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if !set[want] {
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t.Errorf("Package %q not found; got %s", want, all)
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}
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}
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}
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func TestExpandPatterns(t *testing.T) {
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tree := make(map[string]map[string]string)
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for _, pkg := range []string{
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"encoding",
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"encoding/xml",
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"encoding/hex",
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"encoding/json",
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"fmt",
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} {
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tree[pkg] = make(map[string]string)
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}
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ctxt := buildutil.FakeContext(tree)
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for _, test := range []struct {
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patterns string
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want string
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}{
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{"", ""},
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{"fmt", "fmt"},
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{"nosuchpkg", "nosuchpkg"},
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{"nosuchdir/...", ""},
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{"...", "encoding encoding/hex encoding/json encoding/xml fmt"},
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{"encoding/... -encoding/xml", "encoding encoding/hex encoding/json"},
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{"... -encoding/...", "fmt"},
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{"encoding", "encoding"},
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{"encoding/", "encoding"},
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} {
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var pkgs []string
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for pkg := range buildutil.ExpandPatterns(ctxt, strings.Fields(test.patterns)) {
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pkgs = append(pkgs, pkg)
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}
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sort.Strings(pkgs)
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got := strings.Join(pkgs, " ")
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if got != test.want {
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t.Errorf("ExpandPatterns(%s) = %s, want %s",
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test.patterns, got, test.want)
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}
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}
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}
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