hugo/tpl/strings/strings_test.go
Cameron Moore 29a2da0593 tpl: Cleanup strings.TrimPrefix and TrimSuffix
These funcs were added during the move to namespaces but were
undocumented.  This commit fixes the order of the arguments and adds the
funcs to the method mapping.
2017-08-18 14:21:58 +02:00

706 lines
15 KiB
Go

// Copyright 2017 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 strings
import (
"fmt"
"html/template"
"testing"
"github.com/gohugoio/hugo/deps"
"github.com/spf13/viper"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var ns = New(&deps.Deps{Cfg: viper.New()})
type tstNoStringer struct{}
func TestChomp(t *testing.T) {
t.Parallel()
for i, test := range []struct {
s interface{}
expect interface{}
}{
{"\n a\n", template.HTML("\n a")},
{"\n a\n\n", template.HTML("\n a")},
{"\n a\r\n", template.HTML("\n a")},
{"\n a\n\r\n", template.HTML("\n a")},
{"\n a\r\r", template.HTML("\n a")},
{"\n a\r", template.HTML("\n a")},
// errors
{tstNoStringer{}, false},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test)
result, err := ns.Chomp(test.s)
if b, ok := test.expect.(bool); ok && !b {
require.Error(t, err, errMsg)
continue
}
require.NoError(t, err, errMsg)
assert.Equal(t, test.expect, result, errMsg)
}
}
func TestContains(t *testing.T) {
t.Parallel()
for i, test := range []struct {
s interface{}
substr interface{}
expect bool
isErr bool
}{
{"", "", true, false},
{"123", "23", true, false},
{"123", "234", false, false},
{"123", "", true, false},
{"", "a", false, false},
{123, "23", true, false},
{123, "234", false, false},
{123, "", true, false},
{template.HTML("123"), []byte("23"), true, false},
{template.HTML("123"), []byte("234"), false, false},
{template.HTML("123"), []byte(""), true, false},
// errors
{"", tstNoStringer{}, false, true},
{tstNoStringer{}, "", false, true},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test)
result, err := ns.Contains(test.s, test.substr)
if test.isErr {
require.Error(t, err, errMsg)
continue
}
require.NoError(t, err, errMsg)
assert.Equal(t, test.expect, result, errMsg)
}
}
func TestContainsAny(t *testing.T) {
t.Parallel()
for i, test := range []struct {
s interface{}
substr interface{}
expect bool
isErr bool
}{
{"", "", false, false},
{"", "1", false, false},
{"", "123", false, false},
{"1", "", false, false},
{"1", "1", true, false},
{"111", "1", true, false},
{"123", "789", false, false},
{"123", "729", true, false},
{"a☺b☻c☹d", "uvw☻xyz", true, false},
{1, "", false, false},
{1, "1", true, false},
{111, "1", true, false},
{123, "789", false, false},
{123, "729", true, false},
{[]byte("123"), template.HTML("789"), false, false},
{[]byte("123"), template.HTML("729"), true, false},
{[]byte("a☺b☻c☹d"), template.HTML("uvw☻xyz"), true, false},
// errors
{"", tstNoStringer{}, false, true},
{tstNoStringer{}, "", false, true},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test)
result, err := ns.ContainsAny(test.s, test.substr)
if test.isErr {
require.Error(t, err, errMsg)
continue
}
require.NoError(t, err, errMsg)
assert.Equal(t, test.expect, result, errMsg)
}
}
func TestCountRunes(t *testing.T) {
t.Parallel()
for i, test := range []struct {
s interface{}
expect interface{}
}{
{"foo bar", 6},
{"旁边", 2},
{`<div class="test">旁边</div>`, 2},
// errors
{tstNoStringer{}, false},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test.s)
result, err := ns.CountRunes(test.s)
if b, ok := test.expect.(bool); ok && !b {
require.Error(t, err, errMsg)
continue
}
require.NoError(t, err, errMsg)
assert.Equal(t, test.expect, result, errMsg)
}
}
func TestCountWords(t *testing.T) {
t.Parallel()
for i, test := range []struct {
s interface{}
expect interface{}
}{
{"Do Be Do Be Do", 5},
{"旁边", 2},
{`<div class="test">旁边</div>`, 2},
// errors
{tstNoStringer{}, false},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test.s)
result, err := ns.CountWords(test.s)
if b, ok := test.expect.(bool); ok && !b {
require.Error(t, err, errMsg)
continue
}
require.NoError(t, err, errMsg)
assert.Equal(t, test.expect, result, errMsg)
}
}
func TestHasPrefix(t *testing.T) {
t.Parallel()
for i, test := range []struct {
s interface{}
prefix interface{}
expect interface{}
isErr bool
}{
{"abcd", "ab", true, false},
{"abcd", "cd", false, false},
{template.HTML("abcd"), "ab", true, false},
{template.HTML("abcd"), "cd", false, false},
{template.HTML("1234"), 12, true, false},
{template.HTML("1234"), 34, false, false},
{[]byte("abcd"), "ab", true, false},
// errors
{"", tstNoStringer{}, false, true},
{tstNoStringer{}, "", false, true},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test)
result, err := ns.HasPrefix(test.s, test.prefix)
if test.isErr {
require.Error(t, err, errMsg)
continue
}
require.NoError(t, err, errMsg)
assert.Equal(t, test.expect, result, errMsg)
}
}
func TestHasSuffix(t *testing.T) {
t.Parallel()
for i, test := range []struct {
s interface{}
suffix interface{}
expect interface{}
isErr bool
}{
{"abcd", "cd", true, false},
{"abcd", "ab", false, false},
{template.HTML("abcd"), "cd", true, false},
{template.HTML("abcd"), "ab", false, false},
{template.HTML("1234"), 34, true, false},
{template.HTML("1234"), 12, false, false},
{[]byte("abcd"), "cd", true, false},
// errors
{"", tstNoStringer{}, false, true},
{tstNoStringer{}, "", false, true},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test)
result, err := ns.HasSuffix(test.s, test.suffix)
if test.isErr {
require.Error(t, err, errMsg)
continue
}
require.NoError(t, err, errMsg)
assert.Equal(t, test.expect, result, errMsg)
}
}
func TestReplace(t *testing.T) {
t.Parallel()
for i, test := range []struct {
s interface{}
old interface{}
new interface{}
expect interface{}
}{
{"aab", "a", "b", "bbb"},
{"11a11", 1, 2, "22a22"},
{12345, 1, 2, "22345"},
// errors
{tstNoStringer{}, "a", "b", false},
{"a", tstNoStringer{}, "b", false},
{"a", "b", tstNoStringer{}, false},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test)
result, err := ns.Replace(test.s, test.old, test.new)
if b, ok := test.expect.(bool); ok && !b {
require.Error(t, err, errMsg)
continue
}
require.NoError(t, err, errMsg)
assert.Equal(t, test.expect, result, errMsg)
}
}
func TestSliceString(t *testing.T) {
t.Parallel()
var err error
for i, test := range []struct {
v1 interface{}
v2 interface{}
v3 interface{}
expect interface{}
}{
{"abc", 1, 2, "b"},
{"abc", 1, 3, "bc"},
{"abcdef", 1, int8(3), "bc"},
{"abcdef", 1, int16(3), "bc"},
{"abcdef", 1, int32(3), "bc"},
{"abcdef", 1, int64(3), "bc"},
{"abc", 0, 1, "a"},
{"abcdef", nil, nil, "abcdef"},
{"abcdef", 0, 6, "abcdef"},
{"abcdef", 0, 2, "ab"},
{"abcdef", 2, nil, "cdef"},
{"abcdef", int8(2), nil, "cdef"},
{"abcdef", int16(2), nil, "cdef"},
{"abcdef", int32(2), nil, "cdef"},
{"abcdef", int64(2), nil, "cdef"},
{123, 1, 3, "23"},
{"abcdef", 6, nil, false},
{"abcdef", 4, 7, false},
{"abcdef", -1, nil, false},
{"abcdef", -1, 7, false},
{"abcdef", 1, -1, false},
{tstNoStringer{}, 0, 1, false},
{"ĀĀĀ", 0, 1, "Ā"}, // issue #1333
{"a", t, nil, false},
{"a", 1, t, false},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test)
var result string
if test.v2 == nil {
result, err = ns.SliceString(test.v1)
} else if test.v3 == nil {
result, err = ns.SliceString(test.v1, test.v2)
} else {
result, err = ns.SliceString(test.v1, test.v2, test.v3)
}
if b, ok := test.expect.(bool); ok && !b {
require.Error(t, err, errMsg)
continue
}
require.NoError(t, err, errMsg)
assert.Equal(t, test.expect, result, errMsg)
}
// Too many arguments
_, err = ns.SliceString("a", 1, 2, 3)
if err == nil {
t.Errorf("Should have errored")
}
}
func TestSplit(t *testing.T) {
t.Parallel()
for i, test := range []struct {
v1 interface{}
v2 string
expect interface{}
}{
{"a, b", ", ", []string{"a", "b"}},
{"a & b & c", " & ", []string{"a", "b", "c"}},
{"http://example.com", "http://", []string{"", "example.com"}},
{123, "2", []string{"1", "3"}},
{tstNoStringer{}, ",", false},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test)
result, err := ns.Split(test.v1, test.v2)
if b, ok := test.expect.(bool); ok && !b {
require.Error(t, err, errMsg)
continue
}
require.NoError(t, err, errMsg)
assert.Equal(t, test.expect, result, errMsg)
}
}
func TestSubstr(t *testing.T) {
t.Parallel()
var err error
var n int
for i, test := range []struct {
v1 interface{}
v2 interface{}
v3 interface{}
expect interface{}
}{
{"abc", 1, 2, "bc"},
{"abc", 0, 1, "a"},
{"abcdef", -1, 2, "ef"},
{"abcdef", -3, 3, "bcd"},
{"abcdef", 0, -1, "abcde"},
{"abcdef", 2, -1, "cde"},
{"abcdef", 4, -4, false},
{"abcdef", 7, 1, false},
{"abcdef", 1, 100, "bcdef"},
{"abcdef", -100, 3, "abc"},
{"abcdef", -3, -1, "de"},
{"abcdef", 2, nil, "cdef"},
{"abcdef", int8(2), nil, "cdef"},
{"abcdef", int16(2), nil, "cdef"},
{"abcdef", int32(2), nil, "cdef"},
{"abcdef", int64(2), nil, "cdef"},
{"abcdef", 2, int8(3), "cde"},
{"abcdef", 2, int16(3), "cde"},
{"abcdef", 2, int32(3), "cde"},
{"abcdef", 2, int64(3), "cde"},
{123, 1, 3, "23"},
{1.2e3, 0, 4, "1200"},
{tstNoStringer{}, 0, 1, false},
{"abcdef", 2.0, nil, "cdef"},
{"abcdef", 2.0, 2, "cd"},
{"abcdef", 2, 2.0, "cd"},
{"ĀĀĀ", 1, 2, "ĀĀ"}, // # issue 1333
{"abcdef", "doo", nil, false},
{"abcdef", "doo", "doo", false},
{"abcdef", 1, "doo", false},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test)
var result string
n = i
if test.v3 == nil {
result, err = ns.Substr(test.v1, test.v2)
} else {
result, err = ns.Substr(test.v1, test.v2, test.v3)
}
if b, ok := test.expect.(bool); ok && !b {
require.Error(t, err, errMsg)
continue
}
require.NoError(t, err, errMsg)
assert.Equal(t, test.expect, result, errMsg)
}
n++
_, err = ns.Substr("abcdef")
if err == nil {
t.Errorf("[%d] Substr didn't return an expected error", n)
}
n++
_, err = ns.Substr("abcdef", 1, 2, 3)
if err == nil {
t.Errorf("[%d] Substr didn't return an expected error", n)
}
}
func TestTitle(t *testing.T) {
t.Parallel()
for i, test := range []struct {
s interface{}
expect interface{}
}{
{"test", "Test"},
{template.HTML("hypertext"), "Hypertext"},
{[]byte("bytes"), "Bytes"},
// errors
{tstNoStringer{}, false},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test)
result, err := ns.Title(test.s)
if b, ok := test.expect.(bool); ok && !b {
require.Error(t, err, errMsg)
continue
}
require.NoError(t, err, errMsg)
assert.Equal(t, test.expect, result, errMsg)
}
}
func TestToLower(t *testing.T) {
t.Parallel()
for i, test := range []struct {
s interface{}
expect interface{}
}{
{"TEST", "test"},
{template.HTML("LoWeR"), "lower"},
{[]byte("BYTES"), "bytes"},
// errors
{tstNoStringer{}, false},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test)
result, err := ns.ToLower(test.s)
if b, ok := test.expect.(bool); ok && !b {
require.Error(t, err, errMsg)
continue
}
require.NoError(t, err, errMsg)
assert.Equal(t, test.expect, result, errMsg)
}
}
func TestToUpper(t *testing.T) {
t.Parallel()
for i, test := range []struct {
s interface{}
expect interface{}
}{
{"test", "TEST"},
{template.HTML("UpPeR"), "UPPER"},
{[]byte("bytes"), "BYTES"},
// errors
{tstNoStringer{}, false},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test)
result, err := ns.ToUpper(test.s)
if b, ok := test.expect.(bool); ok && !b {
require.Error(t, err, errMsg)
continue
}
require.NoError(t, err, errMsg)
assert.Equal(t, test.expect, result, errMsg)
}
}
func TestTrim(t *testing.T) {
t.Parallel()
for i, test := range []struct {
s interface{}
cutset interface{}
expect interface{}
}{
{"abba", "a", "bb"},
{"abba", "ab", ""},
{"<tag>", "<>", "tag"},
{`"quote"`, `"`, "quote"},
{1221, "1", "22"},
{1221, "12", ""},
{template.HTML("<tag>"), "<>", "tag"},
{[]byte("<tag>"), "<>", "tag"},
// errors
{"", tstNoStringer{}, false},
{tstNoStringer{}, "", false},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test)
result, err := ns.Trim(test.s, test.cutset)
if b, ok := test.expect.(bool); ok && !b {
require.Error(t, err, errMsg)
continue
}
require.NoError(t, err, errMsg)
assert.Equal(t, test.expect, result, errMsg)
}
}
func TestTrimLeft(t *testing.T) {
t.Parallel()
for i, test := range []struct {
s interface{}
cutset interface{}
expect interface{}
}{
{"abba", "a", "bba"},
{"abba", "ab", ""},
{"<tag>", "<>", "tag>"},
{`"quote"`, `"`, `quote"`},
{1221, "1", "221"},
{1221, "12", ""},
{"007", "0", "7"},
{template.HTML("<tag>"), "<>", "tag>"},
{[]byte("<tag>"), "<>", "tag>"},
// errors
{"", tstNoStringer{}, false},
{tstNoStringer{}, "", false},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test)
result, err := ns.TrimLeft(test.cutset, test.s)
if b, ok := test.expect.(bool); ok && !b {
require.Error(t, err, errMsg)
continue
}
require.NoError(t, err, errMsg)
assert.Equal(t, test.expect, result, errMsg)
}
}
func TestTrimPrefix(t *testing.T) {
t.Parallel()
for i, test := range []struct {
s interface{}
prefix interface{}
expect interface{}
}{
{"aabbaa", "a", "abbaa"},
{"aabb", "b", "aabb"},
{1234, "12", "34"},
{1234, "34", "1234"},
// errors
{"", tstNoStringer{}, false},
{tstNoStringer{}, "", false},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test)
result, err := ns.TrimPrefix(test.prefix, test.s)
if b, ok := test.expect.(bool); ok && !b {
require.Error(t, err, errMsg)
continue
}
require.NoError(t, err, errMsg)
assert.Equal(t, test.expect, result, errMsg)
}
}
func TestTrimRight(t *testing.T) {
t.Parallel()
for i, test := range []struct {
s interface{}
cutset interface{}
expect interface{}
}{
{"abba", "a", "abb"},
{"abba", "ab", ""},
{"<tag>", "<>", "<tag"},
{`"quote"`, `"`, `"quote`},
{1221, "1", "122"},
{1221, "12", ""},
{"007", "0", "007"},
{template.HTML("<tag>"), "<>", "<tag"},
{[]byte("<tag>"), "<>", "<tag"},
// errors
{"", tstNoStringer{}, false},
{tstNoStringer{}, "", false},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test)
result, err := ns.TrimRight(test.cutset, test.s)
if b, ok := test.expect.(bool); ok && !b {
require.Error(t, err, errMsg)
continue
}
require.NoError(t, err, errMsg)
assert.Equal(t, test.expect, result, errMsg)
}
}
func TestTrimSuffix(t *testing.T) {
t.Parallel()
for i, test := range []struct {
s interface{}
suffix interface{}
expect interface{}
}{
{"aabbaa", "a", "aabba"},
{"aabb", "b", "aab"},
{1234, "12", "1234"},
{1234, "34", "12"},
// errors
{"", tstNoStringer{}, false},
{tstNoStringer{}, "", false},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test)
result, err := ns.TrimSuffix(test.suffix, test.s)
if b, ok := test.expect.(bool); ok && !b {
require.Error(t, err, errMsg)
continue
}
require.NoError(t, err, errMsg)
assert.Equal(t, test.expect, result, errMsg)
}
}