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// Copyright 2011 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 build
import (
"os"
"path/filepath"
"runtime"
"testing"
)
func TestMatch(t *testing.T) {
ctxt := Default
what := "default"
match := func(tag string) {
if !ctxt.match(tag) {
t.Errorf("%s context should match %s, does not", what, tag)
}
}
nomatch := func(tag string) {
if ctxt.match(tag) {
t.Errorf("%s context should NOT match %s, does", what, tag)
}
}
match(runtime.GOOS + "," + runtime.GOARCH)
match(runtime.GOOS + "," + runtime.GOARCH + ",!foo")
nomatch(runtime.GOOS + "," + runtime.GOARCH + ",foo")
what = "modified"
ctxt.BuildTags = []string{"foo"}
match(runtime.GOOS + "," + runtime.GOARCH)
match(runtime.GOOS + "," + runtime.GOARCH + ",foo")
nomatch(runtime.GOOS + "," + runtime.GOARCH + ",!foo")
match(runtime.GOOS + "," + runtime.GOARCH + ",!bar")
nomatch(runtime.GOOS + "," + runtime.GOARCH + ",bar")
nomatch("!")
}
func TestDotSlashImport(t *testing.T) {
p, err := ImportDir("testdata/other", 0)
if err != nil {
t.Fatal(err)
}
if len(p.Imports) != 1 || p.Imports[0] != "./file" {
t.Fatalf("testdata/other: Imports=%v, want [./file]", p.Imports)
}
p1, err := Import("./file", "testdata/other", 0)
if err != nil {
t.Fatal(err)
}
if p1.Name != "file" {
t.Fatalf("./file: Name=%q, want %q", p1.Name, "file")
}
dir := filepath.Clean("testdata/other/file") // Clean to use \ on Windows
if p1.Dir != dir {
t.Fatalf("./file: Dir=%q, want %q", p1.Name, dir)
}
}
func TestEmptyImport(t *testing.T) {
p, err := Import("", Default.GOROOT, FindOnly)
if err == nil {
t.Fatal(`Import("") returned nil error.`)
}
if p == nil {
t.Fatal(`Import("") returned nil package.`)
}
if p.ImportPath != "" {
t.Fatalf("ImportPath=%q, want %q.", p.ImportPath, "")
}
}
func TestLocalDirectory(t *testing.T) {
cwd, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
p, err := ImportDir(cwd, 0)
if err != nil {
t.Fatal(err)
}
if p.ImportPath != "go/build" {
t.Fatalf("ImportPath=%q, want %q", p.ImportPath, "go/build")
}
}
func TestShouldBuild(t *testing.T) {
const file1 = "// +build tag1\n\n" +
"package main\n"
const file2 = "// +build cgo\n\n" +
"// This package implements parsing of tags like\n" +
"// +build tag1\n" +
"package build"
const file3 = "// Copyright The Go Authors.\n\n" +
"package build\n\n" +
"// shouldBuild checks tags given by lines of the form\n" +
"// +build tag\n" +
"func shouldBuild(content []byte)\n"
ctx := &Context{BuildTags: []string{"tag1"}}
if !ctx.shouldBuild([]byte(file1)) {
t.Errorf("should not build file1, expected the contrary")
}
if ctx.shouldBuild([]byte(file2)) {
t.Errorf("should build file2, expected the contrary")
}
ctx = &Context{BuildTags: nil}
if !ctx.shouldBuild([]byte(file3)) {
t.Errorf("should not build file3, expected the contrary")
}
}
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