ref: d070596694a3edbf42fc315bb326505aa39fce90
dir: /helpers/path_test.go/
// Copyright 2015 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package helpers
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"reflect"
"runtime"
"strconv"
"strings"
"testing"
"time"
"github.com/gohugoio/hugo/langs"
qt "github.com/frankban/quicktest"
"github.com/gohugoio/hugo/hugofs"
"github.com/spf13/afero"
"github.com/spf13/viper"
)
func TestMakePath(t *testing.T) {
c := qt.New(t)
tests := []struct {
input string
expected string
removeAccents bool
}{
{" Foo bar ", "Foo-bar", true},
{"Foo.Bar/foo_Bar-Foo", "Foo.Bar/foo_Bar-Foo", true},
{"fOO,bar:foobAR", "fOObarfoobAR", true},
{"FOo/BaR.html", "FOo/BaR.html", true},
{"трям/трям", "трям/трям", true},
{"은행", "은행", true},
{"Банковский кассир", "Банковскии-кассир", true},
// Issue #1488
{"संस्कृत", "संस्कृत", false},
{"a%C3%B1ame", "a%C3%B1ame", false}, // Issue #1292
{"this+is+a+test", "this+is+a+test", false}, // Issue #1290
{"~foo", "~foo", false}, // Issue #2177
}
for _, test := range tests {
v := newTestCfg()
v.Set("removePathAccents", test.removeAccents)
l := langs.NewDefaultLanguage(v)
p, err := NewPathSpec(hugofs.NewMem(v), l, nil)
c.Assert(err, qt.IsNil)
output := p.MakePath(test.input)
if output != test.expected {
t.Errorf("Expected %#v, got %#v\n", test.expected, output)
}
}
}
func TestMakePathSanitized(t *testing.T) {
v := newTestCfg()
p, _ := NewPathSpec(hugofs.NewMem(v), v, nil)
tests := []struct {
input string
expected string
}{
{" FOO bar ", "foo-bar"},
{"Foo.Bar/fOO_bAr-Foo", "foo.bar/foo_bar-foo"},
{"FOO,bar:FooBar", "foobarfoobar"},
{"foo/BAR.HTML", "foo/bar.html"},
{"трям/трям", "трям/трям"},
{"은행", "은행"},
}
for _, test := range tests {
output := p.MakePathSanitized(test.input)
if output != test.expected {
t.Errorf("Expected %#v, got %#v\n", test.expected, output)
}
}
}
func TestMakePathSanitizedDisablePathToLower(t *testing.T) {
v := newTestCfg()
v.Set("disablePathToLower", true)
l := langs.NewDefaultLanguage(v)
p, _ := NewPathSpec(hugofs.NewMem(v), l, nil)
tests := []struct {
input string
expected string
}{
{" FOO bar ", "FOO-bar"},
{"Foo.Bar/fOO_bAr-Foo", "Foo.Bar/fOO_bAr-Foo"},
{"FOO,bar:FooBar", "FOObarFooBar"},
{"foo/BAR.HTML", "foo/BAR.HTML"},
{"трям/трям", "трям/трям"},
{"은행", "은행"},
}
for _, test := range tests {
output := p.MakePathSanitized(test.input)
if output != test.expected {
t.Errorf("Expected %#v, got %#v\n", test.expected, output)
}
}
}
func TestGetRelativePath(t *testing.T) {
tests := []struct {
path string
base string
expect interface{}
}{
{filepath.FromSlash("/a/b"), filepath.FromSlash("/a"), filepath.FromSlash("b")},
{filepath.FromSlash("/a/b/c/"), filepath.FromSlash("/a"), filepath.FromSlash("b/c/")},
{filepath.FromSlash("/c"), filepath.FromSlash("/a/b"), filepath.FromSlash("../../c")},
{filepath.FromSlash("/c"), "", false},
}
for i, this := range tests {
// ultimately a fancy wrapper around filepath.Rel
result, err := GetRelativePath(this.path, this.base)
if b, ok := this.expect.(bool); ok && !b {
if err == nil {
t.Errorf("[%d] GetRelativePath didn't return an expected error", i)
}
} else {
if err != nil {
t.Errorf("[%d] GetRelativePath failed: %s", i, err)
continue
}
if result != this.expect {
t.Errorf("[%d] GetRelativePath got %v but expected %v", i, result, this.expect)
}
}
}
}
func TestMakePathRelative(t *testing.T) {
type test struct {
inPath, path1, path2, output string
}
data := []test{
{"/abc/bcd/ab.css", "/abc/bcd", "/bbc/bcd", "/ab.css"},
{"/abc/bcd/ab.css", "/abcd/bcd", "/abc/bcd", "/ab.css"},
}
for i, d := range data {
output, _ := makePathRelative(d.inPath, d.path1, d.path2)
if d.output != output {
t.Errorf("Test #%d failed. Expected %q got %q", i, d.output, output)
}
}
_, error := makePathRelative("a/b/c.ss", "/a/c", "/d/c", "/e/f")
if error == nil {
t.Errorf("Test failed, expected error")
}
}
func TestGetDottedRelativePath(t *testing.T) {
// on Windows this will receive both kinds, both country and western ...
for _, f := range []func(string) string{filepath.FromSlash, func(s string) string { return s }} {
doTestGetDottedRelativePath(f, t)
}
}
func doTestGetDottedRelativePath(urlFixer func(string) string, t *testing.T) {
type test struct {
input, expected string
}
data := []test{
{"", "./"},
{urlFixer("/"), "./"},
{urlFixer("post"), "../"},
{urlFixer("/post"), "../"},
{urlFixer("post/"), "../"},
{urlFixer("tags/foo.html"), "../"},
{urlFixer("/tags/foo.html"), "../"},
{urlFixer("/post/"), "../"},
{urlFixer("////post/////"), "../"},
{urlFixer("/foo/bar/index.html"), "../../"},
{urlFixer("/foo/bar/foo/"), "../../../"},
{urlFixer("/foo/bar/foo"), "../../../"},
{urlFixer("foo/bar/foo/"), "../../../"},
{urlFixer("foo/bar/foo/bar"), "../../../../"},
{"404.html", "./"},
{"404.xml", "./"},
{"/404.html", "./"},
}
for i, d := range data {
output := GetDottedRelativePath(d.input)
if d.expected != output {
t.Errorf("Test %d failed. Expected %q got %q", i, d.expected, output)
}
}
}
func TestMakeTitle(t *testing.T) {
type test struct {
input, expected string
}
data := []test{
{"Make-Title", "Make Title"},
{"MakeTitle", "MakeTitle"},
{"make_title", "make_title"},
}
for i, d := range data {
output := MakeTitle(d.input)
if d.expected != output {
t.Errorf("Test %d failed. Expected %q got %q", i, d.expected, output)
}
}
}
// Replace Extension is probably poorly named, but the intent of the
// function is to accept a path and return only the file name with a
// new extension. It's intentionally designed to strip out the path
// and only provide the name. We should probably rename the function to
// be more explicit at some point.
func TestReplaceExtension(t *testing.T) {
type test struct {
input, newext, expected string
}
data := []test{
// These work according to the above definition
{"/some/random/path/file.xml", "html", "file.html"},
{"/banana.html", "xml", "banana.xml"},
{"./banana.html", "xml", "banana.xml"},
{"banana/pie/index.html", "xml", "index.xml"},
{"../pies/fish/index.html", "xml", "index.xml"},
// but these all fail
{"filename-without-an-ext", "ext", "filename-without-an-ext.ext"},
{"/filename-without-an-ext", "ext", "filename-without-an-ext.ext"},
{"/directory/mydir/", "ext", ".ext"},
{"mydir/", "ext", ".ext"},
}
for i, d := range data {
output := ReplaceExtension(filepath.FromSlash(d.input), d.newext)
if d.expected != output {
t.Errorf("Test %d failed. Expected %q got %q", i, d.expected, output)
}
}
}
func TestDirExists(t *testing.T) {
type test struct {
input string
expected bool
}
data := []test{
{".", true},
{"./", true},
{"..", true},
{"../", true},
{"./..", true},
{"./../", true},
{os.TempDir(), true},
{os.TempDir() + FilePathSeparator, true},
{"/", true},
{"/some-really-random-directory-name", false},
{"/some/really/random/directory/name", false},
{"./some-really-random-local-directory-name", false},
{"./some/really/random/local/directory/name", false},
}
for i, d := range data {
exists, _ := DirExists(filepath.FromSlash(d.input), new(afero.OsFs))
if d.expected != exists {
t.Errorf("Test %d failed. Expected %t got %t", i, d.expected, exists)
}
}
}
func TestIsDir(t *testing.T) {
type test struct {
input string
expected bool
}
data := []test{
{"./", true},
{"/", true},
{"./this-directory-does-not-existi", false},
{"/this-absolute-directory/does-not-exist", false},
}
for i, d := range data {
exists, _ := IsDir(d.input, new(afero.OsFs))
if d.expected != exists {
t.Errorf("Test %d failed. Expected %t got %t", i, d.expected, exists)
}
}
}
func TestIsEmpty(t *testing.T) {
zeroSizedFile, _ := createZeroSizedFileInTempDir()
defer deleteFileInTempDir(zeroSizedFile)
nonZeroSizedFile, _ := createNonZeroSizedFileInTempDir()
defer deleteFileInTempDir(nonZeroSizedFile)
emptyDirectory, _ := createEmptyTempDir()
defer deleteTempDir(emptyDirectory)
nonEmptyZeroLengthFilesDirectory, _ := createTempDirWithZeroLengthFiles()
defer deleteTempDir(nonEmptyZeroLengthFilesDirectory)
nonEmptyNonZeroLengthFilesDirectory, _ := createTempDirWithNonZeroLengthFiles()
defer deleteTempDir(nonEmptyNonZeroLengthFilesDirectory)
nonExistentFile := os.TempDir() + "/this-file-does-not-exist.txt"
nonExistentDir := os.TempDir() + "/this/directory/does/not/exist/"
fileDoesNotExist := fmt.Errorf("%q path does not exist", nonExistentFile)
dirDoesNotExist := fmt.Errorf("%q path does not exist", nonExistentDir)
type test struct {
input string
expectedResult bool
expectedErr error
}
data := []test{
{zeroSizedFile.Name(), true, nil},
{nonZeroSizedFile.Name(), false, nil},
{emptyDirectory, true, nil},
{nonEmptyZeroLengthFilesDirectory, false, nil},
{nonEmptyNonZeroLengthFilesDirectory, false, nil},
{nonExistentFile, false, fileDoesNotExist},
{nonExistentDir, false, dirDoesNotExist},
}
for i, d := range data {
exists, err := IsEmpty(d.input, new(afero.OsFs))
if d.expectedResult != exists {
t.Errorf("Test %d failed. Expected result %t got %t", i, d.expectedResult, exists)
}
if d.expectedErr != nil {
if d.expectedErr.Error() != err.Error() {
t.Errorf("Test %d failed. Expected %q(%#v) got %q(%#v)", i, d.expectedErr, d.expectedErr, err, err)
}
} else {
if d.expectedErr != err {
t.Errorf("Test %d failed. Expected %q(%#v) got %q(%#v)", i, d.expectedErr, d.expectedErr, err, err)
}
}
}
}
func createZeroSizedFileInTempDir() (*os.File, error) {
filePrefix := "_path_test_"
f, e := ioutil.TempFile("", filePrefix) // dir is os.TempDir()
if e != nil {
// if there was an error no file was created.
// => no requirement to delete the file
return nil, e
}
return f, nil
}
func createNonZeroSizedFileInTempDir() (*os.File, error) {
f, err := createZeroSizedFileInTempDir()
if err != nil {
// no file ??
return nil, err
}
byteString := []byte("byteString")
err = ioutil.WriteFile(f.Name(), byteString, 0644)
if err != nil {
// delete the file
deleteFileInTempDir(f)
return nil, err
}
return f, nil
}
func deleteFileInTempDir(f *os.File) {
_ = os.Remove(f.Name())
}
func createEmptyTempDir() (string, error) {
dirPrefix := "_dir_prefix_"
d, e := ioutil.TempDir("", dirPrefix) // will be in os.TempDir()
if e != nil {
// no directory to delete - it was never created
return "", e
}
return d, nil
}
func createTempDirWithZeroLengthFiles() (string, error) {
d, dirErr := createEmptyTempDir()
if dirErr != nil {
return "", dirErr
}
filePrefix := "_path_test_"
_, fileErr := ioutil.TempFile(d, filePrefix) // dir is os.TempDir()
if fileErr != nil {
// if there was an error no file was created.
// but we need to remove the directory to clean-up
deleteTempDir(d)
return "", fileErr
}
// the dir now has one, zero length file in it
return d, nil
}
func createTempDirWithNonZeroLengthFiles() (string, error) {
d, dirErr := createEmptyTempDir()
if dirErr != nil {
return "", dirErr
}
filePrefix := "_path_test_"
f, fileErr := ioutil.TempFile(d, filePrefix) // dir is os.TempDir()
if fileErr != nil {
// if there was an error no file was created.
// but we need to remove the directory to clean-up
deleteTempDir(d)
return "", fileErr
}
byteString := []byte("byteString")
fileErr = ioutil.WriteFile(f.Name(), byteString, 0644)
if fileErr != nil {
// delete the file
deleteFileInTempDir(f)
// also delete the directory
deleteTempDir(d)
return "", fileErr
}
// the dir now has one, zero length file in it
return d, nil
}
func deleteTempDir(d string) {
_ = os.RemoveAll(d)
}
func TestExists(t *testing.T) {
zeroSizedFile, _ := createZeroSizedFileInTempDir()
defer deleteFileInTempDir(zeroSizedFile)
nonZeroSizedFile, _ := createNonZeroSizedFileInTempDir()
defer deleteFileInTempDir(nonZeroSizedFile)
emptyDirectory, _ := createEmptyTempDir()
defer deleteTempDir(emptyDirectory)
nonExistentFile := os.TempDir() + "/this-file-does-not-exist.txt"
nonExistentDir := os.TempDir() + "/this/directory/does/not/exist/"
type test struct {
input string
expectedResult bool
expectedErr error
}
data := []test{
{zeroSizedFile.Name(), true, nil},
{nonZeroSizedFile.Name(), true, nil},
{emptyDirectory, true, nil},
{nonExistentFile, false, nil},
{nonExistentDir, false, nil},
}
for i, d := range data {
exists, err := Exists(d.input, new(afero.OsFs))
if d.expectedResult != exists {
t.Errorf("Test %d failed. Expected result %t got %t", i, d.expectedResult, exists)
}
if d.expectedErr != err {
t.Errorf("Test %d failed. Expected %q got %q", i, d.expectedErr, err)
}
}
}
func TestAbsPathify(t *testing.T) {
defer viper.Reset()
type test struct {
inPath, workingDir, expected string
}
data := []test{
{os.TempDir(), filepath.FromSlash("/work"), filepath.Clean(os.TempDir())}, // TempDir has trailing slash
{"dir", filepath.FromSlash("/work"), filepath.FromSlash("/work/dir")},
}
windowsData := []test{
{"c:\\banana\\..\\dir", "c:\\foo", "c:\\dir"},
{"\\dir", "c:\\foo", "c:\\foo\\dir"},
{"c:\\", "c:\\foo", "c:\\"},
}
unixData := []test{
{"/banana/../dir/", "/work", "/dir"},
}
for i, d := range data {
viper.Reset()
// todo see comment in AbsPathify
ps := newTestDefaultPathSpec("workingDir", d.workingDir)
expected := ps.AbsPathify(d.inPath)
if d.expected != expected {
t.Errorf("Test %d failed. Expected %q but got %q", i, d.expected, expected)
}
}
t.Logf("Running platform specific path tests for %s", runtime.GOOS)
if runtime.GOOS == "windows" {
for i, d := range windowsData {
ps := newTestDefaultPathSpec("workingDir", d.workingDir)
expected := ps.AbsPathify(d.inPath)
if d.expected != expected {
t.Errorf("Test %d failed. Expected %q but got %q", i, d.expected, expected)
}
}
} else {
for i, d := range unixData {
ps := newTestDefaultPathSpec("workingDir", d.workingDir)
expected := ps.AbsPathify(d.inPath)
if d.expected != expected {
t.Errorf("Test %d failed. Expected %q but got %q", i, d.expected, expected)
}
}
}
}
func TestExtNoDelimiter(t *testing.T) {
c := qt.New(t)
c.Assert(ExtNoDelimiter(filepath.FromSlash("/my/data.json")), qt.Equals, "json")
}
func TestFilename(t *testing.T) {
type test struct {
input, expected string
}
data := []test{
{"index.html", "index"},
{"./index.html", "index"},
{"/index.html", "index"},
{"index", "index"},
{"/tmp/index.html", "index"},
{"./filename-no-ext", "filename-no-ext"},
{"/filename-no-ext", "filename-no-ext"},
{"filename-no-ext", "filename-no-ext"},
{"directory/", ""}, // no filename case??
{"directory/.hidden.ext", ".hidden"},
{"./directory/../~/banana/gold.fish", "gold"},
{"../directory/banana.man", "banana"},
{"~/mydir/filename.ext", "filename"},
{"./directory//tmp/filename.ext", "filename"},
}
for i, d := range data {
output := Filename(filepath.FromSlash(d.input))
if d.expected != output {
t.Errorf("Test %d failed. Expected %q got %q", i, d.expected, output)
}
}
}
func TestFileAndExt(t *testing.T) {
type test struct {
input, expectedFile, expectedExt string
}
data := []test{
{"index.html", "index", ".html"},
{"./index.html", "index", ".html"},
{"/index.html", "index", ".html"},
{"index", "index", ""},
{"/tmp/index.html", "index", ".html"},
{"./filename-no-ext", "filename-no-ext", ""},
{"/filename-no-ext", "filename-no-ext", ""},
{"filename-no-ext", "filename-no-ext", ""},
{"directory/", "", ""}, // no filename case??
{"directory/.hidden.ext", ".hidden", ".ext"},
{"./directory/../~/banana/gold.fish", "gold", ".fish"},
{"../directory/banana.man", "banana", ".man"},
{"~/mydir/filename.ext", "filename", ".ext"},
{"./directory//tmp/filename.ext", "filename", ".ext"},
}
for i, d := range data {
file, ext := fileAndExt(filepath.FromSlash(d.input), fpb)
if d.expectedFile != file {
t.Errorf("Test %d failed. Expected filename %q got %q.", i, d.expectedFile, file)
}
if d.expectedExt != ext {
t.Errorf("Test %d failed. Expected extension %q got %q.", i, d.expectedExt, ext)
}
}
}
func TestPathPrep(t *testing.T) {
}
func TestPrettifyPath(t *testing.T) {
}
func TestExtractAndGroupRootPaths(t *testing.T) {
in := []string{
filepath.FromSlash("/a/b/c/d"),
filepath.FromSlash("/a/b/c/e"),
filepath.FromSlash("/a/b/e/f"),
filepath.FromSlash("/a/b"),
filepath.FromSlash("/a/b/c/b/g"),
filepath.FromSlash("/c/d/e"),
}
inCopy := make([]string, len(in))
copy(inCopy, in)
result := ExtractAndGroupRootPaths(in)
c := qt.New(t)
c.Assert(fmt.Sprint(result), qt.Equals, filepath.FromSlash("[/a/b/{c,e} /c/d/e]"))
// Make sure the original is preserved
c.Assert(in, qt.DeepEquals, inCopy)
}
func TestExtractRootPaths(t *testing.T) {
tests := []struct {
input []string
expected []string
}{{[]string{filepath.FromSlash("a/b"), filepath.FromSlash("a/b/c/"), "b",
filepath.FromSlash("/c/d"), filepath.FromSlash("d/"), filepath.FromSlash("//e//")},
[]string{"a", "a", "b", "c", "d", "e"}}}
for _, test := range tests {
output := ExtractRootPaths(test.input)
if !reflect.DeepEqual(output, test.expected) {
t.Errorf("Expected %#v, got %#v\n", test.expected, output)
}
}
}
func TestFindCWD(t *testing.T) {
type test struct {
expectedDir string
expectedErr error
}
//cwd, _ := os.Getwd()
data := []test{
//{cwd, nil},
// Commenting this out. It doesn't work properly.
// There's a good reason why we don't use os.Getwd(), it doesn't actually work the way we want it to.
// I really don't know a better way to test this function. - SPF 2014.11.04
}
for i, d := range data {
dir, err := FindCWD()
if d.expectedDir != dir {
t.Errorf("Test %d failed. Expected %q but got %q", i, d.expectedDir, dir)
}
if d.expectedErr != err {
t.Errorf("Test %d failed. Expected %q but got %q", i, d.expectedErr, err)
}
}
}
func TestSafeWriteToDisk(t *testing.T) {
emptyFile, _ := createZeroSizedFileInTempDir()
defer deleteFileInTempDir(emptyFile)
tmpDir, _ := createEmptyTempDir()
defer deleteTempDir(tmpDir)
randomString := "This is a random string!"
reader := strings.NewReader(randomString)
fileExists := fmt.Errorf("%v already exists", emptyFile.Name())
type test struct {
filename string
expectedErr error
}
now := time.Now().Unix()
nowStr := strconv.FormatInt(now, 10)
data := []test{
{emptyFile.Name(), fileExists},
{tmpDir + "/" + nowStr, nil},
}
for i, d := range data {
e := SafeWriteToDisk(d.filename, reader, new(afero.OsFs))
if d.expectedErr != nil {
if d.expectedErr.Error() != e.Error() {
t.Errorf("Test %d failed. Expected error %q but got %q", i, d.expectedErr.Error(), e.Error())
}
} else {
if d.expectedErr != e {
t.Errorf("Test %d failed. Expected %q but got %q", i, d.expectedErr, e)
}
contents, _ := ioutil.ReadFile(d.filename)
if randomString != string(contents) {
t.Errorf("Test %d failed. Expected contents %q but got %q", i, randomString, string(contents))
}
}
reader.Seek(0, 0)
}
}
func TestWriteToDisk(t *testing.T) {
emptyFile, _ := createZeroSizedFileInTempDir()
defer deleteFileInTempDir(emptyFile)
tmpDir, _ := createEmptyTempDir()
defer deleteTempDir(tmpDir)
randomString := "This is a random string!"
reader := strings.NewReader(randomString)
type test struct {
filename string
expectedErr error
}
now := time.Now().Unix()
nowStr := strconv.FormatInt(now, 10)
data := []test{
{emptyFile.Name(), nil},
{tmpDir + "/" + nowStr, nil},
}
for i, d := range data {
e := WriteToDisk(d.filename, reader, new(afero.OsFs))
if d.expectedErr != e {
t.Errorf("Test %d failed. WriteToDisk Error Expected %q but got %q", i, d.expectedErr, e)
}
contents, e := ioutil.ReadFile(d.filename)
if e != nil {
t.Errorf("Test %d failed. Could not read file %s. Reason: %s\n", i, d.filename, e)
}
if randomString != string(contents) {
t.Errorf("Test %d failed. Expected contents %q but got %q", i, randomString, string(contents))
}
reader.Seek(0, 0)
}
}
func TestGetTempDir(t *testing.T) {
dir := os.TempDir()
if FilePathSeparator != dir[len(dir)-1:] {
dir = dir + FilePathSeparator
}
testDir := "hugoTestFolder" + FilePathSeparator
tests := []struct {
input string
expected string
}{
{"", dir},
{testDir + " Foo bar ", dir + testDir + " Foo bar " + FilePathSeparator},
{testDir + "Foo.Bar/foo_Bar-Foo", dir + testDir + "Foo.Bar/foo_Bar-Foo" + FilePathSeparator},
{testDir + "fOO,bar:foo%bAR", dir + testDir + "fOObarfoo%bAR" + FilePathSeparator},
{testDir + "fOO,bar:foobAR", dir + testDir + "fOObarfoobAR" + FilePathSeparator},
{testDir + "FOo/BaR.html", dir + testDir + "FOo/BaR.html" + FilePathSeparator},
{testDir + "трям/трям", dir + testDir + "трям/трям" + FilePathSeparator},
{testDir + "은행", dir + testDir + "은행" + FilePathSeparator},
{testDir + "Банковский кассир", dir + testDir + "Банковский кассир" + FilePathSeparator},
}
for _, test := range tests {
output := GetTempDir(test.input, new(afero.MemMapFs))
if output != test.expected {
t.Errorf("Expected %#v, got %#v\n", test.expected, output)
}
}
}