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package funcs
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestReplace(t *testing.T) {
re := &ReFuncs{}
assert.Equal(t, "hello world", re.Replace("i", "ello", "hi world"))
}
func TestMatch(t *testing.T) {
re := &ReFuncs{}
assert.True(t, re.Match(`i\ `, "hi world"))
}
func TestFind(t *testing.T) {
re := &ReFuncs{}
f, err := re.Find(`[a-z]+`, `foo bar baz`)
assert.NoError(t, err)
assert.Equal(t, "foo", f)
_, err = re.Find(`[a-`, "")
assert.Error(t, err)
f, err = re.Find("4", 42)
assert.NoError(t, err)
assert.Equal(t, "4", f)
f, err = re.Find(false, 42)
assert.NoError(t, err)
assert.Equal(t, "", f)
}
func TestFindAll(t *testing.T) {
re := &ReFuncs{}
f, err := re.FindAll(`[a-z]+`, `foo bar baz`)
assert.NoError(t, err)
assert.EqualValues(t, []string{"foo", "bar", "baz"}, f)
f, err = re.FindAll(`[a-z]+`, -1, `foo bar baz`)
assert.NoError(t, err)
assert.EqualValues(t, []string{"foo", "bar", "baz"}, f)
_, err = re.FindAll(`[a-`, "")
assert.Error(t, err)
_, err = re.FindAll("")
assert.Error(t, err)
_, err = re.FindAll("", "", "", "")
assert.Error(t, err)
f, err = re.FindAll(`[a-z]+`, 0, `foo bar baz`)
assert.NoError(t, err)
assert.Nil(t, f)
f, err = re.FindAll(`[a-z]+`, 2, `foo bar baz`)
assert.NoError(t, err)
assert.EqualValues(t, []string{"foo", "bar"}, f)
f, err = re.FindAll(`[a-z]+`, 14, `foo bar baz`)
assert.NoError(t, err)
assert.EqualValues(t, []string{"foo", "bar", "baz"}, f)
f, err = re.FindAll(`qux`, `foo bar baz`)
assert.NoError(t, err)
assert.Nil(t, f)
}
func TestSplit(t *testing.T) {
re := &ReFuncs{}
f, err := re.Split(` `, `foo bar baz`)
assert.NoError(t, err)
assert.EqualValues(t, []string{"foo", "bar", "baz"}, f)
f, err = re.Split(`\s+`, -1, `foo bar baz`)
assert.NoError(t, err)
assert.EqualValues(t, []string{"foo", "bar", "baz"}, f)
_, err = re.Split(`[a-`, "")
assert.Error(t, err)
_, err = re.Split("")
assert.Error(t, err)
_, err = re.Split("", "", "", "")
assert.Error(t, err)
f, err = re.Split(` `, 0, `foo bar baz`)
assert.NoError(t, err)
assert.Nil(t, f)
f, err = re.Split(`\s+`, 2, `foo bar baz`)
assert.NoError(t, err)
assert.EqualValues(t, []string{"foo", "bar baz"}, f)
f, err = re.Split(`\s`, 14, `foo bar baz`)
assert.NoError(t, err)
assert.EqualValues(t, []string{"foo", "", "bar", "baz"}, f)
f, err = re.Split(`[\s,.]`, 14, `foo bar.baz,qux`)
assert.NoError(t, err)
assert.EqualValues(t, []string{"foo", "bar", "baz", "qux"}, f)
}
func TestReplaceLiteral(t *testing.T) {
re := &ReFuncs{}
r, err := re.ReplaceLiteral("i", "ello$1", "hi world")
assert.NoError(t, err)
assert.Equal(t, "hello$1 world", r)
}
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