mirror of
https://github.com/duke-git/lancet.git
synced 2026-02-04 21:02:27 +08:00
671 lines
18 KiB
Go
671 lines
18 KiB
Go
package strutil
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import (
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"reflect"
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"testing"
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"github.com/duke-git/lancet/internal"
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)
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func TestCamelCase(t *testing.T) {
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assert := internal.NewAssert(t, "TestCamelCase")
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cases := map[string]string{
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"": "",
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"foobar": "foobar",
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"&FOO:BAR$BAZ": "fooBarBaz",
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"fooBar": "fooBar",
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"FOObar": "foObar",
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"$foo%": "foo",
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" $#$Foo 22 bar ": "foo22Bar",
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"Foo-#1😄$_%^&*(1bar": "foo11Bar",
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}
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for k, v := range cases {
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assert.Equal(v, CamelCase(k))
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}
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}
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func TestCapitalize(t *testing.T) {
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assert := internal.NewAssert(t, "TestCapitalize")
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cases := map[string]string{
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"": "",
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"Foo": "Foo",
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"_foo": "_foo",
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"foobar": "Foobar",
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"fooBar": "Foobar",
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"foo Bar": "Foo bar",
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"foo-bar": "Foo-bar",
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"$foo%": "$foo%",
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}
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for k, v := range cases {
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assert.Equal(v, Capitalize(k))
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}
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}
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func TestKebabCase(t *testing.T) {
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assert := internal.NewAssert(t, "TestKebabCase")
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cases := map[string]string{
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"": "",
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"foo-bar": "foo-bar",
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"--Foo---Bar-": "foo-bar",
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"Foo Bar-": "foo-bar",
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"foo_Bar": "foo-bar",
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"fooBar": "foo-bar",
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"FOOBAR": "foobar",
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"FOO_BAR": "foo-bar",
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"__FOO_BAR__": "foo-bar",
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"$foo@Bar": "foo-bar",
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" $#$Foo 22 bar ": "foo-22-bar",
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"Foo-#1😄$_%^&*(1bar": "foo-1-1-bar",
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}
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for k, v := range cases {
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assert.Equal(v, KebabCase(k))
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}
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}
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func TestUpperKebabCase(t *testing.T) {
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assert := internal.NewAssert(t, "TestUpperKebabCase")
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cases := map[string]string{
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"": "",
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"foo-bar": "FOO-BAR",
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"--Foo---Bar-": "FOO-BAR",
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"Foo Bar-": "FOO-BAR",
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"foo_Bar": "FOO-BAR",
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"fooBar": "FOO-BAR",
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"FOOBAR": "FOOBAR",
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"FOO_BAR": "FOO-BAR",
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"__FOO_BAR__": "FOO-BAR",
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"$foo@Bar": "FOO-BAR",
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" $#$Foo 22 bar ": "FOO-22-BAR",
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"Foo-#1😄$_%^&*(1bar": "FOO-1-1-BAR",
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}
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for k, v := range cases {
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assert.Equal(v, UpperKebabCase(k))
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}
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}
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func TestSnakeCase(t *testing.T) {
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assert := internal.NewAssert(t, "TestSnakeCase")
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cases := map[string]string{
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"": "",
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"foo-bar": "foo_bar",
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"--Foo---Bar-": "foo_bar",
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"Foo Bar-": "foo_bar",
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"foo_Bar": "foo_bar",
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"fooBar": "foo_bar",
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"FOOBAR": "foobar",
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"FOO_BAR": "foo_bar",
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"__FOO_BAR__": "foo_bar",
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"$foo@Bar": "foo_bar",
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" $#$Foo 22 bar ": "foo_22_bar",
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"Foo-#1😄$_%^&*(1bar": "foo_1_1_bar",
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}
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for k, v := range cases {
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assert.Equal(v, SnakeCase(k))
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}
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}
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func TestUpperSnakeCase(t *testing.T) {
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assert := internal.NewAssert(t, "TestUpperSnakeCase")
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cases := map[string]string{
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"": "",
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"foo-bar": "FOO_BAR",
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"--Foo---Bar-": "FOO_BAR",
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"Foo Bar-": "FOO_BAR",
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"foo_Bar": "FOO_BAR",
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"fooBar": "FOO_BAR",
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"FOOBAR": "FOOBAR",
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"FOO_BAR": "FOO_BAR",
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"__FOO_BAR__": "FOO_BAR",
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"$foo@Bar": "FOO_BAR",
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" $#$Foo 22 bar ": "FOO_22_BAR",
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"Foo-#1😄$_%^&*(1bar": "FOO_1_1_BAR",
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}
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for k, v := range cases {
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assert.Equal(v, UpperSnakeCase(k))
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}
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}
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func TestUpperFirst(t *testing.T) {
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assert := internal.NewAssert(t, "TestLowerFirst")
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cases := map[string]string{
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"": "",
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"foo": "Foo",
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"bAR": "BAR",
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"FOo": "FOo",
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"fOo大": "FOo大",
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}
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for k, v := range cases {
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assert.Equal(v, UpperFirst(k))
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}
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}
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func TestLowerFirst(t *testing.T) {
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assert := internal.NewAssert(t, "TestLowerFirst")
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cases := map[string]string{
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"": "",
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"foo": "foo",
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"bAR": "bAR",
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"FOo": "fOo",
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"fOo大": "fOo大",
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}
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for k, v := range cases {
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assert.Equal(v, LowerFirst(k))
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}
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}
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func TestPad(t *testing.T) {
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assert := internal.NewAssert(t, "TestPad")
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assert.Equal("a ", Pad("a", 2, ""))
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assert.Equal("a", Pad("a", 1, "b"))
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assert.Equal("ab", Pad("a", 2, "b"))
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assert.Equal("mabcdm", Pad("abcd", 6, "m"))
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}
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func TestPadEnd(t *testing.T) {
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assert := internal.NewAssert(t, "TestPadEnd")
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assert.Equal("a ", PadEnd("a", 2, " "))
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assert.Equal("a", PadEnd("a", 1, "b"))
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assert.Equal("ab", PadEnd("a", 2, "b"))
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assert.Equal("abcdmn", PadEnd("abcd", 6, "mno"))
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assert.Equal("abcdmm", PadEnd("abcd", 6, "m"))
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assert.Equal("abcaba", PadEnd("abc", 6, "ab"))
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assert.NotEqual("ba", PadEnd("a", 2, "b"))
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}
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func TestPadStart(t *testing.T) {
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assert := internal.NewAssert(t, "TestPadStart")
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assert.Equal("a", PadStart("a", 1, "b"))
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assert.Equal("ba", PadStart("a", 2, "b"))
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assert.Equal("mnabcd", PadStart("abcd", 6, "mno"))
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assert.Equal("mmabcd", PadStart("abcd", 6, "m"))
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assert.Equal("abaabc", PadStart("abc", 6, "ab"))
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assert.NotEqual("ab", PadStart("a", 2, "b"))
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}
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func TestBefore(t *testing.T) {
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assert := internal.NewAssert(t, "TestBefore")
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assert.Equal("lancet", Before("lancet", ""))
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assert.Equal("lancet", Before("lancet", "abcdef"))
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assert.Equal("github.com", Before("github.com/test/lancet", "/"))
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assert.Equal("github.com/", Before("github.com/test/lancet", "test"))
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}
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func TestBeforeLast(t *testing.T) {
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assert := internal.NewAssert(t, "TestBeforeLast")
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assert.Equal("lancet", BeforeLast("lancet", ""))
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assert.Equal("lancet", BeforeLast("lancet", "abcdef"))
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assert.Equal("github.com/test", BeforeLast("github.com/test/lancet", "/"))
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assert.Equal("github.com/test/", BeforeLast("github.com/test/test/lancet", "test"))
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assert.NotEqual("github.com/", BeforeLast("github.com/test/test/lancet", "test"))
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}
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func TestHammingDistance(t *testing.T) {
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assert := internal.NewAssert(t, "HammingDistance")
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hd := func(a, b string) int {
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c, _ := HammingDistance(a, b)
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return c
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}
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assert.Equal(0, hd(" ", " "))
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assert.Equal(1, hd(" ", "c"))
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assert.Equal(1, hd("a", "d"))
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assert.Equal(1, hd("a", " "))
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assert.Equal(1, hd("a", "f"))
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assert.Equal(0, hd("", ""))
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assert.Equal(-1, hd("abc", "ab"))
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assert.Equal(3, hd("abc", "def"))
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assert.Equal(-1, hd("kitten", "sitting"))
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assert.Equal(1, hd("ö", "ü"))
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assert.Equal(0, hd("日本語", "日本語"))
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assert.Equal(3, hd("日本語", "語日本"))
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}
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func TestAfter(t *testing.T) {
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assert := internal.NewAssert(t, "TestAfter")
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assert.Equal("lancet", After("lancet", ""))
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assert.Equal("lancet", After("lancet", "abcdef"))
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assert.Equal("test/lancet", After("github.com/test/lancet", "/"))
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assert.Equal("/lancet", After("github.com/test/lancet", "test"))
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}
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func TestAfterLast(t *testing.T) {
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assert := internal.NewAssert(t, "TestAfterLast")
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assert.Equal("lancet", AfterLast("lancet", ""))
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assert.Equal("lancet", AfterLast("lancet", "abcdef"))
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assert.Equal("lancet", AfterLast("github.com/test/lancet", "/"))
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assert.Equal("/lancet", AfterLast("github.com/test/lancet", "test"))
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assert.Equal("/lancet", AfterLast("github.com/test/test/lancet", "test"))
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assert.NotEqual("/test/lancet", AfterLast("github.com/test/test/lancet", "test"))
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}
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func TestIsString(t *testing.T) {
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assert := internal.NewAssert(t, "TestIsString")
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assert.Equal(true, IsString("lancet"))
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assert.Equal(true, IsString(""))
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assert.Equal(false, IsString(1))
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assert.Equal(false, IsString(true))
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assert.Equal(false, IsString([]string{}))
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}
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func TestReverse(t *testing.T) {
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assert := internal.NewAssert(t, "TestReverse")
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assert.Equal("cba", Reverse("abc"))
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assert.Equal("54321", Reverse("12345"))
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}
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func TestWrap(t *testing.T) {
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assert := internal.NewAssert(t, "TestWrap")
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assert.Equal("ab", Wrap("ab", ""))
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assert.Equal("", Wrap("", "*"))
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assert.Equal("*ab*", Wrap("ab", "*"))
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assert.Equal("\"ab\"", Wrap("ab", "\""))
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assert.Equal("'ab'", Wrap("ab", "'"))
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}
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func TestUnwrap(t *testing.T) {
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assert := internal.NewAssert(t, "TestUnwrap")
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assert.Equal("", Unwrap("", "*"))
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assert.Equal("ab", Unwrap("ab", ""))
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assert.Equal("ab", Unwrap("ab", "*"))
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assert.Equal("*ab*", Unwrap("**ab**", "*"))
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assert.Equal("ab", Unwrap("**ab**", "**"))
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assert.Equal("ab", Unwrap("\"ab\"", "\""))
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assert.Equal("*ab", Unwrap("*ab", "*"))
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assert.Equal("ab*", Unwrap("ab*", "*"))
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assert.Equal("*", Unwrap("***", "*"))
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assert.Equal("", Unwrap("**", "*"))
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assert.Equal("***", Unwrap("***", "**"))
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assert.Equal("**", Unwrap("**", "**"))
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}
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func TestSplitEx(t *testing.T) {
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assert := internal.NewAssert(t, "TestSplitEx")
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assert.Equal([]string{}, SplitEx(" a b c ", "", true))
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assert.Equal([]string{"", "a", "b", "c", ""}, SplitEx(" a b c ", " ", false))
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assert.Equal([]string{"a", "b", "c"}, SplitEx(" a b c ", " ", true))
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assert.Equal([]string{" a", "b", "c", ""}, SplitEx(" a = b = c = ", " = ", false))
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assert.Equal([]string{" a", "b", "c"}, SplitEx(" a = b = c = ", " = ", true))
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}
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func TestSplitWords(t *testing.T) {
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assert := internal.NewAssert(t, "TestSplitWords")
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cases := map[string][]string{
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"a word": {"a", "word"},
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"I'am a programmer": {"I'am", "a", "programmer"},
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"Bonjour, je suis programmeur": {"Bonjour", "je", "suis", "programmeur"},
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"a -b-c' 'd'e": {"a", "b-c'", "d'e"},
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"你好，我是一名码农": nil,
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"こんにちは，私はプログラマーです": nil,
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}
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for k, v := range cases {
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assert.Equal(v, SplitWords(k))
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}
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}
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func TestWordCount(t *testing.T) {
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assert := internal.NewAssert(t, "TestSplitWords")
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cases := map[string]int{
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"a word": 2, // {"a", "word"},
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"I'am a programmer": 3, // {"I'am", "a", "programmer"},
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"Bonjour, je suis programmeur": 4, // {"Bonjour", "je", "suis", "programmeur"},
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"a -b-c' 'd'e": 3, // {"a", "b-c'", "d'e"},
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"你好，我是一名码农": 0, // nil,
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"こんにちは，私はプログラマーです": 0, // nil,
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}
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for k, v := range cases {
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assert.Equal(v, WordCount(k))
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}
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}
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func TestRemoveNonPrintable(t *testing.T) {
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assert := internal.NewAssert(t, "TestRemoveNonPrintable")
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assert.Equal("hello world", RemoveNonPrintable("hello\u00a0 \u200bworld\n"))
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assert.Equal("你好😄", RemoveNonPrintable("你好😄"))
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}
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func TestStringToBytes(t *testing.T) {
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assert := internal.NewAssert(t, "TestStringToBytes")
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str := "abc"
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bytes := StringToBytes(str)
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assert.Equal(reflect.DeepEqual(bytes, []byte{'a', 'b', 'c'}), true)
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}
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func TestBytesToString(t *testing.T) {
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assert := internal.NewAssert(t, "TestBytesToString")
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bytes := []byte{'a', 'b', 'c'}
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str := BytesToString(bytes)
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assert.Equal(str == "abc", true)
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}
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func TestIsBlank(t *testing.T) {
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assert := internal.NewAssert(t, "TestIsBlank")
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assert.Equal(IsBlank(""), true)
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assert.Equal(IsBlank("\t\v\f\n"), true)
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assert.Equal(IsBlank(" 中文"), false)
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}
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func TestHasPrefixAny(t *testing.T) {
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assert := internal.NewAssert(t, "TestHasPrefixAny")
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str := "foo bar"
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prefixes := []string{"fo", "xyz", "hello"}
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notMatches := []string{"oom", "world"}
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assert.Equal(HasPrefixAny(str, prefixes), true)
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assert.Equal(HasPrefixAny(str, notMatches), false)
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}
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func TestHasSuffixAny(t *testing.T) {
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assert := internal.NewAssert(t, "TestHasSuffixAny")
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str := "foo bar"
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suffixes := []string{"bar", "xyz", "hello"}
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notMatches := []string{"oom", "world"}
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assert.Equal(HasSuffixAny(str, suffixes), true)
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assert.Equal(HasSuffixAny(str, notMatches), false)
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}
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func TestIndexOffset(t *testing.T) {
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assert := internal.NewAssert(t, "TestIndexOffset")
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str := "foo bar hello world"
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assert.Equal(IndexOffset(str, "o", 5), 12)
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assert.Equal(IndexOffset(str, "o", 0), 1)
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assert.Equal(IndexOffset(str, "d", len(str)-1), len(str)-1)
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assert.Equal(IndexOffset(str, "d", len(str)), -1)
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assert.Equal(IndexOffset(str, "f", -1), -1)
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}
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func TestReplaceWithMap(t *testing.T) {
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assert := internal.NewAssert(t, "TestReplaceWithMap")
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str := "ac ab ab ac"
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replaces := map[string]string{
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"a": "1",
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"b": "2",
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}
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assert.Equal(str, "ac ab ab ac")
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assert.Equal(ReplaceWithMap(str, replaces), "1c 12 12 1c")
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}
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func TestTrim(t *testing.T) {
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assert := internal.NewAssert(t, "TestTrim")
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str1 := "$ ab cd $ "
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assert.Equal("$ ab cd $", Trim(str1))
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assert.Equal("ab cd", Trim(str1, "$"))
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assert.Equal("abcd", Trim("\nabcd"))
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}
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func TestSplitAndTrim(t *testing.T) {
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assert := internal.NewAssert(t, "TestTrim")
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str := " a,b, c,d,$1 "
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result1 := SplitAndTrim(str, ",")
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result2 := SplitAndTrim(str, ",", "$")
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assert.Equal([]string{"a", "b", "c", "d", "$1"}, result1)
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assert.Equal([]string{"a", "b", "c", "d", "1"}, result2)
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}
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func TestHideString(t *testing.T) {
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assert := internal.NewAssert(t, "TestTrim")
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str := "13242658976"
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assert.Equal("13242658976", HideString(str, 0, -1, "*"))
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assert.Equal("13242658976", HideString(str, 0, 0, "*"))
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assert.Equal("****2658976", HideString(str, 0, 4, "*"))
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assert.Equal("13242658976", HideString(str, 3, 3, "*"))
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assert.Equal("132*2658976", HideString(str, 3, 4, "*"))
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assert.Equal("132****8976", HideString(str, 3, 7, "*"))
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assert.Equal("1324265****", HideString(str, 7, 11, "*"))
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assert.Equal("1324265****", HideString(str, 7, 100, "*"))
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assert.Equal("13242658976", HideString(str, 100, 100, "*"))
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}
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func TestContainsAll(t *testing.T) {
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assert := internal.NewAssert(t, "TestContainsAll")
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assert.Equal(true, ContainsAll("hello world", []string{"hello", "world"}))
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assert.Equal(true, ContainsAll("hello world", []string{""}))
|
||
assert.Equal(false, ContainsAll("hello world", []string{"hello", "abc"}))
|
||
}
|
||
|
||
func TestContainsAny(t *testing.T) {
|
||
assert := internal.NewAssert(t, "TestContainsAny")
|
||
|
||
assert.Equal(true, ContainsAny("hello world", []string{"hello", "world"}))
|
||
assert.Equal(true, ContainsAny("hello world", []string{"hello", "abc"}))
|
||
assert.Equal(false, ContainsAny("hello world", []string{"123", "abc"}))
|
||
}
|
||
|
||
func TestRemoveWhiteSpace(t *testing.T) {
|
||
assert := internal.NewAssert(t, "TestRemoveWhiteSpace")
|
||
|
||
str := " hello \r\n \t world"
|
||
|
||
assert.Equal("", RemoveWhiteSpace("", true))
|
||
assert.Equal("helloworld", RemoveWhiteSpace(str, true))
|
||
assert.Equal("hello world", RemoveWhiteSpace(str, false))
|
||
}
|
||
|
||
func TestSubInBetween(t *testing.T) {
|
||
assert := internal.NewAssert(t, "TestSubInBetween")
|
||
|
||
str := "abcde"
|
||
|
||
assert.Equal("", SubInBetween(str, "", ""))
|
||
assert.Equal("ab", SubInBetween(str, "", "c"))
|
||
assert.Equal("bc", SubInBetween(str, "a", "d"))
|
||
assert.Equal("", SubInBetween(str, "a", ""))
|
||
assert.Equal("", SubInBetween(str, "a", "f"))
|
||
}
|
||
|
||
func TestConcat(t *testing.T) {
|
||
t.Parallel()
|
||
|
||
assert := internal.NewAssert(t, "TestConcat")
|
||
|
||
assert.Equal("", Concat(0))
|
||
assert.Equal("a", Concat(1, "a"))
|
||
assert.Equal("ab", Concat(2, "a", "b"))
|
||
assert.Equal("abc", Concat(3, "a", "b", "c"))
|
||
assert.Equal("abc", Concat(3, "a", "", "b", "c", ""))
|
||
assert.Equal("你好，世界！", Concat(0, "你好", "，", "", "世界！", ""))
|
||
assert.Equal("Hello World!", Concat(0, "Hello", " Wo", "r", "ld!", ""))
|
||
}
|
||
|
||
func TestEllipsis(t *testing.T) {
|
||
t.Parallel()
|
||
assert := internal.NewAssert(t, "TestEllipsis")
|
||
|
||
tests := []struct {
|
||
input string
|
||
length int
|
||
expected string
|
||
}{
|
||
{"", 0, ""},
|
||
{"hello world", 0, ""},
|
||
{"hello world", -1, ""},
|
||
{"hello world", 5, "hello..."},
|
||
{"hello world", 11, "hello world"},
|
||
{"你好，世界!", 2, "你好..."},
|
||
{"😀😃😄😁😆", 3, "😀😃😄..."},
|
||
{"This is a test.", 10, "This is a ..."},
|
||
}
|
||
|
||
for _, tt := range tests {
|
||
assert.Equal(tt.expected, Ellipsis(tt.input, tt.length))
|
||
}
|
||
}
|
||
|
||
func TestShuffle(t *testing.T) {
|
||
t.Parallel()
|
||
|
||
assert := internal.NewAssert(t, "TestShuffle")
|
||
|
||
assert.Equal("", Shuffle(""))
|
||
assert.Equal("a", Shuffle("a"))
|
||
|
||
str := "hello"
|
||
shuffledStr := Shuffle(str)
|
||
assert.Equal(5, len(shuffledStr))
|
||
}
|
||
|
||
func TestRotate(t *testing.T) {
|
||
t.Parallel()
|
||
|
||
assert := internal.NewAssert(t, "TestRotate")
|
||
|
||
tests := []struct {
|
||
input string
|
||
shift int
|
||
expected string
|
||
}{
|
||
{"", 1, ""},
|
||
{"a", 0, "a"},
|
||
{"a", 1, "a"},
|
||
{"a", -1, "a"},
|
||
|
||
{"Hello", -2, "lloHe"},
|
||
{"Hello", 1, "oHell"},
|
||
{"Hello, world!", 3, "ld!Hello, wor"},
|
||
}
|
||
|
||
for _, tt := range tests {
|
||
assert.Equal(tt.expected, Rotate(tt.input, tt.shift))
|
||
}
|
||
}
|
||
|
||
func TestTemplateReplace(t *testing.T) {
|
||
t.Parallel()
|
||
|
||
assert := internal.NewAssert(t, "TestTemplateReplace")
|
||
|
||
t.Run("basic", func(t *testing.T) {
|
||
template := `Hello, my name is {name}, I'm {age} years old.`
|
||
data := map[string]string{
|
||
"name": "Bob",
|
||
"age": "20",
|
||
}
|
||
|
||
expected := `Hello, my name is Bob, I'm 20 years old.`
|
||
result := TemplateReplace(template, data)
|
||
|
||
assert.Equal(expected, result)
|
||
})
|
||
|
||
t.Run("not found", func(t *testing.T) {
|
||
template := `Hello, my name is {name}, I'm {age} years old.`
|
||
data := map[string]string{
|
||
"name": "Bob",
|
||
}
|
||
|
||
expected := `Hello, my name is Bob, I'm {age} years old.`
|
||
result := TemplateReplace(template, data)
|
||
|
||
assert.Equal(expected, result)
|
||
})
|
||
|
||
t.Run("brackets", func(t *testing.T) {
|
||
template := `Hello, my name is {name}, I'm {{age}} years old.`
|
||
data := map[string]string{
|
||
"name": "Bob",
|
||
"age": "20",
|
||
}
|
||
|
||
expected := `Hello, my name is Bob, I'm {20} years old.`
|
||
result := TemplateReplace(template, data)
|
||
|
||
assert.Equal(expected, result)
|
||
})
|
||
}
|
||
|
||
func TestRegexMatchAllGroups(t *testing.T) {
|
||
t.Parallel()
|
||
|
||
assert := internal.NewAssert(t, "TestRegexMatchAllGroups")
|
||
|
||
tests := []struct {
|
||
pattern string
|
||
str string
|
||
expected [][]string
|
||
}{
|
||
{
|
||
pattern: `(\w+\.+\w+)@(\w+)\.(\w+)`,
|
||
str: "Emails: john.doe@example.com and jane.doe@example.com",
|
||
expected: [][]string{{"john.doe@example.com", "john.doe", "example", "com"}, {"jane.doe@example.com", "jane.doe", "example", "com"}},
|
||
},
|
||
{
|
||
pattern: `(\d+)`,
|
||
str: "No numbers here!",
|
||
expected: nil,
|
||
},
|
||
{
|
||
pattern: `(\d{3})-(\d{2})-(\d{4})`,
|
||
str: "My number is 123-45-6789",
|
||
expected: [][]string{{"123-45-6789", "123", "45", "6789"}},
|
||
},
|
||
{
|
||
pattern: `(\w+)\s(\d+)`,
|
||
str: "Item A 123, Item B 456",
|
||
expected: [][]string{{"A 123", "A", "123"}, {"B 456", "B", "456"}},
|
||
},
|
||
{
|
||
pattern: `(\d{2})-(\d{2})-(\d{4})`,
|
||
str: "Dates: 01-01-2020, 12-31-1999",
|
||
expected: [][]string{{"01-01-2020", "01", "01", "2020"}, {"12-31-1999", "12", "31", "1999"}},
|
||
},
|
||
}
|
||
|
||
for _, tt := range tests {
|
||
result := RegexMatchAllGroups(tt.pattern, tt.str)
|
||
assert.Equal(tt.expected, result)
|
||
}
|
||
}
|