alertmanager/notify/util_test.go

83 lines
1.5 KiB
Go

// Copyright 2019 Prometheus Team
// 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 notify
import (
"fmt"
"testing"
"github.com/stretchr/testify/require"
)
func TestTruncate(t *testing.T) {
testCases := []struct {
in string
n int
out string
trunc bool
}{
{
in: "",
n: 5,
out: "",
trunc: false,
},
{
in: "abcde",
n: 2,
out: "ab",
trunc: true,
},
{
in: "abcde",
n: 4,
out: "a...",
trunc: true,
},
{
in: "abcde",
n: 5,
out: "abcde",
trunc: false,
},
{
in: "abcdefgh",
n: 5,
out: "ab...",
trunc: true,
},
{
in: "a⌘cde",
n: 5,
out: "a⌘cde",
trunc: false,
},
{
in: "a⌘cdef",
n: 5,
out: "a⌘...",
trunc: true,
},
}
for _, tc := range testCases {
t.Run(fmt.Sprintf("truncate(%s,%d)", tc.in, tc.n), func(t *testing.T) {
s, trunc := Truncate(tc.in, tc.n)
require.Equal(t, tc.trunc, trunc)
require.Equal(t, tc.out, s)
})
}
}