Files
tidb/pkg/lightning/config/bytesize_test.go

129 lines
2.7 KiB
Go

// Copyright 2020 PingCAP, Inc.
//
// 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 config_test
import (
"encoding/json"
"fmt"
"strings"
"testing"
"github.com/BurntSushi/toml"
"github.com/pingcap/tidb/pkg/lightning/config"
"github.com/stretchr/testify/require"
)
func TestByteSizeTOMLDecode(t *testing.T) {
testCases := []struct {
input string
output config.ByteSize
err string
}{
{
input: "x = 10000",
output: 10000,
},
{
input: "x = 107_374_182_400",
output: 107_374_182_400,
},
{
input: "x = '10k'",
output: 10 * 1024,
},
{
input: "x = '10PiB'",
output: 10 * 1024 * 1024 * 1024 * 1024 * 1024,
},
{
input: "x = '10 KB'",
output: 10 * 1024,
},
{
input: "x = '32768'",
output: 32768,
},
{
input: "x = -1",
err: "invalid size: '-1'",
},
{
input: "x = 'invalid value'",
err: "strconv.ParseFloat: parsing \"invalid\": invalid syntax",
},
{
input: "x = true",
err: "invalid size: 'true'",
},
{
input: "x = 256.0",
output: 256,
},
{
input: "x = 256.9",
output: 256,
},
{
input: "x = 10e+9",
output: 10_000_000_000,
},
{
input: "x = '2.5MB'",
output: 5 * 512 * 1024,
},
{
input: "x = 2020-01-01T00:00:00Z",
err: "strconv.ParseFloat: parsing \"2020-01-01T00:00:00\": invalid syntax",
},
{
input: "x = ['100000']",
err: "toml: .* incompatible types:.*",
},
{
input: "x = { size = '100000' }",
err: "toml: .* incompatible types:.*",
},
}
for _, tc := range testCases {
comment := fmt.Sprintf("input: `%s`", tc.input)
var output struct{ X config.ByteSize }
err := toml.Unmarshal([]byte(tc.input), &output)
if tc.err != "" {
require.Error(t, err)
require.Regexp(t, tc.err, err.Error(), comment)
} else {
require.NoError(t, err)
require.Equal(t, tc.output, output.X, comment)
}
}
}
func TestByteSizeTOMLAndJSONEncode(t *testing.T) {
var input struct {
X config.ByteSize `toml:"x" json:"x"`
}
input.X = 1048576
var output strings.Builder
err := toml.NewEncoder(&output).Encode(input)
require.NoError(t, err)
require.Equal(t, "x = 1048576\n", output.String())
js, err := json.Marshal(input)
require.NoError(t, err)
require.Equal(t, `{"x":1048576}`, string(js))
}