1 files changed, 446 insertions, 0 deletions
diff --git a/vendor/github.com/magefile/mage/build/build_test.go b/vendor/github.com/magefile/mage/build/build_test.go
new file mode 100644
index 0000000..89b2c09
--- /dev/null
+++ b/vendor/github.com/magefile/mage/build/build_test.go
@@ -0,0 +1,446 @@
+// 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 (
+	"io"
+	"os"
+	"path/filepath"
+	"reflect"
+	"runtime"
+	"strings"
+	"testing"
+)
+
+func TestMatch(t *testing.T) {
+	ctxt := Default
+	what := "default"
+	match := func(tag string, want map[string]bool) {
+		m := make(map[string]bool)
+		if !ctxt.match(tag, m) {
+			t.Errorf("%s context should match %s, does not", what, tag)
+		}
+		if !reflect.DeepEqual(m, want) {
+			t.Errorf("%s tags = %v, want %v", tag, m, want)
+		}
+	}
+	nomatch := func(tag string, want map[string]bool) {
+		m := make(map[string]bool)
+		if ctxt.match(tag, m) {
+			t.Errorf("%s context should NOT match %s, does", what, tag)
+		}
+		if !reflect.DeepEqual(m, want) {
+			t.Errorf("%s tags = %v, want %v", tag, m, want)
+		}
+	}
+
+	match(runtime.GOOS+","+runtime.GOARCH, map[string]bool{runtime.GOOS: true, runtime.GOARCH: true})
+	match(runtime.GOOS+","+runtime.GOARCH+",!foo", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "foo": true})
+	nomatch(runtime.GOOS+","+runtime.GOARCH+",foo", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "foo": true})
+
+	what = "modified"
+	ctxt.BuildTags = []string{"foo"}
+	match(runtime.GOOS+","+runtime.GOARCH, map[string]bool{runtime.GOOS: true, runtime.GOARCH: true})
+	match(runtime.GOOS+","+runtime.GOARCH+",foo", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "foo": true})
+	nomatch(runtime.GOOS+","+runtime.GOARCH+",!foo", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "foo": true})
+	match(runtime.GOOS+","+runtime.GOARCH+",!bar", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "bar": true})
+	nomatch(runtime.GOOS+","+runtime.GOARCH+",bar", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "bar": true})
+	nomatch("!", map[string]bool{})
+}
+
+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 TestEmptyFolderImport(t *testing.T) {
+	_, err := Import(".", "testdata/empty", 0)
+	if _, ok := err.(*NoGoError); !ok {
+		t.Fatal(`Import("testdata/empty") did not return NoGoError.`)
+	}
+}
+
+func TestMultiplePackageImport(t *testing.T) {
+	_, err := Import(".", "testdata/multi", 0)
+	mpe, ok := err.(*MultiplePackageError)
+	if !ok {
+		t.Fatal(`Import("testdata/multi") did not return MultiplePackageError.`)
+	}
+	want := &MultiplePackageError{
+		Dir:      filepath.FromSlash("testdata/multi"),
+		Packages: []string{"main", "test_package"},
+		Files:    []string{"file.go", "file_appengine.go"},
+	}
+	if !reflect.DeepEqual(mpe, want) {
+		t.Errorf("got %#v; want %#v", mpe, want)
+	}
+}
+
+func TestLocalDirectory(t *testing.T) {
+	if runtime.GOOS == "darwin" {
+		switch runtime.GOARCH {
+		case "arm", "arm64":
+			t.Skipf("skipping on %s/%s, no valid GOROOT", runtime.GOOS, runtime.GOARCH)
+		}
+	}
+
+	cwd, err := os.Getwd()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	p, err := ImportDir(cwd, 0)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if p.ImportPath != "github.com/magefile/mage/build" {
+		t.Fatalf("ImportPath=%q, want %q", p.ImportPath, "github.com/magefile/mage/build")
+	}
+}
+
+func TestShouldBuild(t *testing.T) {
+	const file1 = "// +build tag1\n\n" +
+		"package main\n"
+	want1 := map[string]bool{"tag1": true}
+
+	const file2 = "// +build cgo\n\n" +
+		"// This package implements parsing of tags like\n" +
+		"// +build tag1\n" +
+		"package build"
+	want2 := map[string]bool{"cgo": true}
+
+	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"
+	want3 := map[string]bool{}
+
+	ctx := &Context{BuildTags: []string{"tag1"}}
+	m := map[string]bool{}
+	if !ctx.shouldBuild([]byte(file1), m, nil) {
+		t.Errorf("shouldBuild(file1) = false, want true")
+	}
+	if !reflect.DeepEqual(m, want1) {
+		t.Errorf("shouldBuild(file1) tags = %v, want %v", m, want1)
+	}
+
+	m = map[string]bool{}
+	if ctx.shouldBuild([]byte(file2), m, nil) {
+		t.Errorf("shouldBuild(file2) = true, want false")
+	}
+	if !reflect.DeepEqual(m, want2) {
+		t.Errorf("shouldBuild(file2) tags = %v, want %v", m, want2)
+	}
+
+	m = map[string]bool{}
+	ctx = &Context{BuildTags: nil}
+	if !ctx.shouldBuild([]byte(file3), m, nil) {
+		t.Errorf("shouldBuild(file3) = false, want true")
+	}
+	if !reflect.DeepEqual(m, want3) {
+		t.Errorf("shouldBuild(file3) tags = %v, want %v", m, want3)
+	}
+}
+
+func TestRequiredTags(t *testing.T) {
+	tests := []struct {
+		name   string
+		file   string
+		should bool
+	}{
+		{
+			"no req tag",
+			"package main",
+			false,
+		},
+		{
+			"has req tag",
+			`// +build req
+			
+			package main`,
+			true,
+		},
+		{
+			"OR with req",
+			`// +build no req
+			
+			package main`,
+			true,
+		},
+	}
+
+	ctx := &Context{
+		BuildTags:    []string{"req"},
+		RequiredTags: []string{"req"},
+	}
+	for _, tst := range tests {
+		t.Run(tst.name, func(t *testing.T) {
+			if tst.should != ctx.shouldBuild([]byte(tst.file), nil, nil) {
+				t.Errorf("shouldBuild = %v, want %v", !tst.should, tst.should)
+			}
+		})
+	}
+}
+
+type readNopCloser struct {
+	io.Reader
+}
+
+func (r readNopCloser) Close() error {
+	return nil
+}
+
+var (
+	ctxtP9      = Context{GOARCH: "arm", GOOS: "plan9"}
+	ctxtAndroid = Context{GOARCH: "arm", GOOS: "android"}
+)
+
+var matchFileTests = []struct {
+	ctxt  Context
+	name  string
+	data  string
+	match bool
+}{
+	{ctxtP9, "foo_arm.go", "", true},
+	{ctxtP9, "foo1_arm.go", "// +build linux\n\npackage main\n", false},
+	{ctxtP9, "foo_darwin.go", "", false},
+	{ctxtP9, "foo.go", "", true},
+	{ctxtP9, "foo1.go", "// +build linux\n\npackage main\n", false},
+	{ctxtP9, "foo.badsuffix", "", false},
+	{ctxtAndroid, "foo_linux.go", "", true},
+	{ctxtAndroid, "foo_android.go", "", true},
+	{ctxtAndroid, "foo_plan9.go", "", false},
+	{ctxtAndroid, "android.go", "", true},
+	{ctxtAndroid, "plan9.go", "", true},
+	{ctxtAndroid, "plan9_test.go", "", true},
+	{ctxtAndroid, "arm.s", "", true},
+	{ctxtAndroid, "amd64.s", "", true},
+}
+
+func TestMatchFile(t *testing.T) {
+	for _, tt := range matchFileTests {
+		ctxt := tt.ctxt
+		ctxt.OpenFile = func(path string) (r io.ReadCloser, err error) {
+			if path != "x+"+tt.name {
+				t.Fatalf("OpenFile asked for %q, expected %q", path, "x+"+tt.name)
+			}
+			return &readNopCloser{strings.NewReader(tt.data)}, nil
+		}
+		ctxt.JoinPath = func(elem ...string) string {
+			return strings.Join(elem, "+")
+		}
+		match, err := ctxt.MatchFile("x", tt.name)
+		if match != tt.match || err != nil {
+			t.Fatalf("MatchFile(%q) = %v, %v, want %v, nil", tt.name, match, err, tt.match)
+		}
+	}
+}
+
+func TestImportCmd(t *testing.T) {
+	if runtime.GOOS == "darwin" {
+		switch runtime.GOARCH {
+		case "arm", "arm64":
+			t.Skipf("skipping on %s/%s, no valid GOROOT", runtime.GOOS, runtime.GOARCH)
+		}
+	}
+
+	p, err := Import("cmd/internal/objfile", "", 0)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !strings.HasSuffix(filepath.ToSlash(p.Dir), "src/cmd/internal/objfile") {
+		t.Fatalf("Import cmd/internal/objfile returned Dir=%q, want %q", filepath.ToSlash(p.Dir), ".../src/cmd/internal/objfile")
+	}
+}
+
+var (
+	expandSrcDirPath = filepath.Join(string(filepath.Separator)+"projects", "src", "add")
+)
+
+var expandSrcDirTests = []struct {
+	input, expected string
+}{
+	{"-L ${SRCDIR}/libs -ladd", "-L /projects/src/add/libs -ladd"},
+	{"${SRCDIR}/add_linux_386.a -pthread -lstdc++", "/projects/src/add/add_linux_386.a -pthread -lstdc++"},
+	{"Nothing to expand here!", "Nothing to expand here!"},
+	{"$", "$"},
+	{"$$", "$$"},
+	{"${", "${"},
+	{"$}", "$}"},
+	{"$FOO ${BAR}", "$FOO ${BAR}"},
+	{"Find me the $SRCDIRECTORY.", "Find me the $SRCDIRECTORY."},
+	{"$SRCDIR is missing braces", "$SRCDIR is missing braces"},
+}
+
+func TestExpandSrcDir(t *testing.T) {
+	for _, test := range expandSrcDirTests {
+		output, _ := expandSrcDir(test.input, expandSrcDirPath)
+		if output != test.expected {
+			t.Errorf("%q expands to %q with SRCDIR=%q when %q is expected", test.input, output, expandSrcDirPath, test.expected)
+		} else {
+			t.Logf("%q expands to %q with SRCDIR=%q", test.input, output, expandSrcDirPath)
+		}
+	}
+}
+
+func TestShellSafety(t *testing.T) {
+	tests := []struct {
+		input, srcdir, expected string
+		result                  bool
+	}{
+		{"-I${SRCDIR}/../include", "/projects/src/issue 11868", "-I/projects/src/issue 11868/../include", true},
+		{"-I${SRCDIR}", "wtf$@%", "-Iwtf$@%", true},
+		{"-X${SRCDIR}/1,${SRCDIR}/2", "/projects/src/issue 11868", "-X/projects/src/issue 11868/1,/projects/src/issue 11868/2", true},
+		{"-I/tmp -I/tmp", "/tmp2", "-I/tmp -I/tmp", true},
+		{"-I/tmp", "/tmp/[0]", "-I/tmp", true},
+		{"-I${SRCDIR}/dir", "/tmp/[0]", "-I/tmp/[0]/dir", false},
+		{"-I${SRCDIR}/dir", "/tmp/go go", "-I/tmp/go go/dir", true},
+		{"-I${SRCDIR}/dir dir", "/tmp/go", "-I/tmp/go/dir dir", true},
+	}
+	for _, test := range tests {
+		output, ok := expandSrcDir(test.input, test.srcdir)
+		if ok != test.result {
+			t.Errorf("Expected %t while %q expands to %q with SRCDIR=%q; got %t", test.result, test.input, output, test.srcdir, ok)
+		}
+		if output != test.expected {
+			t.Errorf("Expected %q while %q expands with SRCDIR=%q; got %q", test.expected, test.input, test.srcdir, output)
+		}
+	}
+}
+
+// Want to get a "cannot find package" error when directory for package does not exist.
+// There should be valid partial information in the returned non-nil *Package.
+func TestImportDirNotExist(t *testing.T) {
+	MustHaveGoBuild(t) // really must just have source
+	ctxt := Default
+	ctxt.GOPATH = ""
+
+	tests := []struct {
+		label        string
+		path, srcDir string
+		mode         ImportMode
+	}{
+		{"Import(full, 0)", "go/build/doesnotexist", "", 0},
+		{"Import(local, 0)", "./doesnotexist", filepath.Join(ctxt.GOROOT, "src/go/build"), 0},
+		{"Import(full, FindOnly)", "go/build/doesnotexist", "", FindOnly},
+		{"Import(local, FindOnly)", "./doesnotexist", filepath.Join(ctxt.GOROOT, "src/go/build"), FindOnly},
+	}
+	for _, test := range tests {
+		p, err := ctxt.Import(test.path, test.srcDir, test.mode)
+		if err == nil || !strings.HasPrefix(err.Error(), "cannot find package") {
+			t.Errorf(`%s got error: %q, want "cannot find package" error`, test.label, err)
+		}
+		// If an error occurs, build.Import is documented to return
+		// a non-nil *Package containing partial information.
+		if p == nil {
+			t.Fatalf(`%s got nil p, want non-nil *Package`, test.label)
+		}
+		// Verify partial information in p.
+		if p.ImportPath != "go/build/doesnotexist" {
+			t.Errorf(`%s got p.ImportPath: %q, want "go/build/doesnotexist"`, test.label, p.ImportPath)
+		}
+	}
+}
+
+func TestImportVendor(t *testing.T) {
+	MustHaveGoBuild(t) // really must just have source
+	ctxt := Default
+	ctxt.GOPATH = ""
+	p, err := ctxt.Import("golang_org/x/net/http2/hpack", filepath.Join(ctxt.GOROOT, "src/net/http"), 0)
+	if err != nil {
+		t.Fatalf("cannot find vendored golang_org/x/net/http2/hpack from net/http directory: %v", err)
+	}
+	want := "vendor/golang_org/x/net/http2/hpack"
+	if p.ImportPath != want {
+		t.Fatalf("Import succeeded but found %q, want %q", p.ImportPath, want)
+	}
+}
+
+func TestImportVendorFailure(t *testing.T) {
+	MustHaveGoBuild(t) // really must just have source
+	ctxt := Default
+	ctxt.GOPATH = ""
+	p, err := ctxt.Import("x.com/y/z", filepath.Join(ctxt.GOROOT, "src/net/http"), 0)
+	if err == nil {
+		t.Fatalf("found made-up package x.com/y/z in %s", p.Dir)
+	}
+
+	e := err.Error()
+	if !strings.Contains(e, " (vendor tree)") {
+		t.Fatalf("error on failed import does not mention GOROOT/src/vendor directory:\n%s", e)
+	}
+}
+
+func TestImportVendorParentFailure(t *testing.T) {
+	MustHaveGoBuild(t) // really must just have source
+	ctxt := Default
+	ctxt.GOPATH = ""
+	// This import should fail because the vendor/golang.org/x/net/http2 directory has no source code.
+	p, err := ctxt.Import("golang_org/x/net/http2", filepath.Join(ctxt.GOROOT, "src/net/http"), 0)
+	if err == nil {
+		t.Fatalf("found empty parent in %s", p.Dir)
+	}
+	if p != nil && p.Dir != "" {
+		t.Fatalf("decided to use %s", p.Dir)
+	}
+	e := err.Error()
+	if !strings.Contains(e, " (vendor tree)") {
+		t.Fatalf("error on failed import does not mention GOROOT/src/vendor directory:\n%s", e)
+	}
+}
+
+// HasGoBuild reports whether the current system can build programs with ``go build''
+// and then run them with os.StartProcess or exec.Command.
+func HasGoBuild() bool {
+	switch runtime.GOOS {
+	case "android", "nacl":
+		return false
+	case "darwin":
+		if strings.HasPrefix(runtime.GOARCH, "arm") {
+			return false
+		}
+	}
+	return true
+}
+
+// MustHaveGoBuild checks that the current system can build programs with ``go build''
+// and then run them with os.StartProcess or exec.Command.
+// If not, MustHaveGoBuild calls t.Skip with an explanation.
+func MustHaveGoBuild(t *testing.T) {
+	if !HasGoBuild() {
+		t.Skipf("skipping test: 'go build' not available on %s/%s", runtime.GOOS, runtime.GOARCH)
+	}
+}