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Copy pathstring_test.go
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162 lines (144 loc) · 2.72 KB
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package stdlib
import (
"fmt"
"testing"
"github.com/stretchr/testify/assert"
)
func Test_string(t *testing.T) {
assert.Equal(t, "abc", stringy([]byte("abc")))
assert.Equal(t, "null", stringy(nil))
}
func Test_len(t *testing.T) {
assertQuery(t, "SELECT len('a')", "1")
}
func Test_split_part(t *testing.T) {
assertQuery(t, "SELECT split_part('a', '', 0)", "a")
assertQuery(t, "SELECT split_part('a', 'blub', 2)", "")
assertQuery(t, "SELECT split_part('ablubablubb', 'blub', 2)", "b")
assertQuery(t, "SELECT split_part('1,2,3', ',', 2)", "3")
assertQuery(t, "SELECT split_part('1,2,3', ',', -1)", "3")
}
func Test_repeat(t *testing.T) {
assertQuery(t, "SELECT repeat('a', 3)", "aaa")
assertQuery(t, "SELECT replicate('a', 3)", "aaa")
assertQuery(t, "SELECT repeat(3, 3)", "333")
assertQuery(t, "SELECT repeat(null, 3)", "nullnullnull")
}
func Test_strpos(t *testing.T) {
tests := []struct {
haystack string
needle string
expectedIndex string
}{
{
"abcde",
"f",
"-1",
},
{
"abcde",
"e",
"4",
},
{
"abcde",
"c",
"2",
},
{
"abcde",
"a",
"0",
},
}
for _, test := range tests {
assertQuery(t, fmt.Sprintf("SELECT strpos('%s', '%s')", test.haystack, test.needle), test.expectedIndex)
assertQuery(t, fmt.Sprintf("SELECT charindex('%s', '%s')", test.haystack, test.needle), test.expectedIndex)
}
assertQuery(t, "SELECT strpos(1234, 3)", "2")
}
func Test_replace(t *testing.T) {
assertQuery(t, "SELECT replace(' whatever ', 'whatever', 'blah')", " blah ")
assertQuery(t, "SELECT replace(3443, 44, 55)", "3553")
}
func Test_reverse(t *testing.T) {
assertQuery(t, "SELECT reverse('234')", "432")
}
func Test_lpad(t *testing.T) {
tests := []struct {
in string
length int
pad string
out string
}{
{
"abcde",
3,
"0",
"abc",
},
{
"aa",
3,
"0",
"0aa",
},
{
"aa",
2,
"0",
"aa",
},
{
"a",
0,
"0",
"",
},
}
for _, test := range tests {
assertQuery(t, fmt.Sprintf("SELECT lpad('%s', %d, '%s');", test.in, test.length, test.pad), test.out)
}
// Test no third argument variation
assertQuery(t, "SELECT lpad('22', 3);", " 22")
// int variation
assertQuery(t, "SELECT lpad(22, 3, 0);", "022")
}
func Test_rpad(t *testing.T) {
tests := []struct {
in string
length int
pad string
out string
}{
{
"abcde",
3,
"0",
"abc",
},
{
"aa",
3,
"0",
"aa0",
},
{
"aa",
2,
"0",
"aa",
},
{
"a",
0,
"0",
"",
},
}
for _, test := range tests {
assertQuery(t, fmt.Sprintf("SELECT rpad('%s', %d, '%s');", test.in, test.length, test.pad), test.out)
}
// Test no 3rd argument variant
assertQuery(t, "SELECT rpad('22', 3);", "22 ")
}