110 lines
3.4 KiB
Go
110 lines
3.4 KiB
Go
// Copyright 2015 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package format
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import (
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"bytes"
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"io"
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"strings"
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"testing"
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"github.com/pingcap/errors"
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"github.com/stretchr/testify/require"
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)
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func checkFormat(t *testing.T, f Formatter, buf *bytes.Buffer, str, expect string) {
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_, err := f.Format(str, 3)
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require.NoError(t, err)
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b, err := io.ReadAll(buf)
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require.NoError(t, err)
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require.Equal(t, expect, string(b))
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}
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func TestFormat(t *testing.T) {
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str := "abc%d%%e%i\nx\ny\n%uz\n"
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buf := &bytes.Buffer{}
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f := IndentFormatter(buf, "\t")
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expect := `abc3%e
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x
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y
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z
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`
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checkFormat(t, f, buf, str, expect)
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str = "abc%d%%e%i\nx\ny\n%uz\n%i\n"
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buf = &bytes.Buffer{}
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f = FlatFormatter(buf)
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expect = "abc3%e x y z\n "
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checkFormat(t, f, buf, str, expect)
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}
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func TestRestoreCtx(t *testing.T) {
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testCases := []struct {
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flag RestoreFlags
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expect string
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}{
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{0, "key`.'\"Word\\ str`.'\"ing\\ na`.'\"Me\\"},
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{RestoreStringSingleQuotes, "key`.'\"Word\\ 'str`.''\"ing\\' na`.'\"Me\\"},
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{RestoreStringDoubleQuotes, "key`.'\"Word\\ \"str`.'\"\"ing\\\" na`.'\"Me\\"},
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{RestoreStringEscapeBackslash, "key`.'\"Word\\ str`.'\"ing\\\\ na`.'\"Me\\"},
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{RestoreKeyWordUppercase, "KEY`.'\"WORD\\ str`.'\"ing\\ na`.'\"Me\\"},
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{RestoreKeyWordLowercase, "key`.'\"word\\ str`.'\"ing\\ na`.'\"Me\\"},
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{RestoreNameUppercase, "key`.'\"Word\\ str`.'\"ing\\ NA`.'\"ME\\"},
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{RestoreNameLowercase, "key`.'\"Word\\ str`.'\"ing\\ na`.'\"me\\"},
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{RestoreNameDoubleQuotes, "key`.'\"Word\\ str`.'\"ing\\ \"na`.'\"\"Me\\\""},
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{RestoreNameBackQuotes, "key`.'\"Word\\ str`.'\"ing\\ `na``.'\"Me\\`"},
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{DefaultRestoreFlags, "KEY`.'\"WORD\\ 'str`.''\"ing\\' `na``.'\"Me\\`"},
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{RestoreStringSingleQuotes | RestoreStringDoubleQuotes, "key`.'\"Word\\ 'str`.''\"ing\\' na`.'\"Me\\"},
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{RestoreKeyWordUppercase | RestoreKeyWordLowercase, "KEY`.'\"WORD\\ str`.'\"ing\\ na`.'\"Me\\"},
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{RestoreNameUppercase | RestoreNameLowercase, "key`.'\"Word\\ str`.'\"ing\\ NA`.'\"ME\\"},
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{RestoreNameDoubleQuotes | RestoreNameBackQuotes, "key`.'\"Word\\ str`.'\"ing\\ \"na`.'\"\"Me\\\""},
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}
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var sb strings.Builder
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for _, testCase := range testCases {
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sb.Reset()
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ctx := NewRestoreCtx(testCase.flag, &sb)
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ctx.WriteKeyWord("key`.'\"Word\\")
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ctx.WritePlain(" ")
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ctx.WriteString("str`.'\"ing\\")
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ctx.WritePlain(" ")
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ctx.WriteName("na`.'\"Me\\")
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require.Equalf(t, testCase.expect, sb.String(), "case: %#v", testCase)
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}
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}
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func TestRestoreSpecialComment(t *testing.T) {
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var sb strings.Builder
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sb.Reset()
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ctx := NewRestoreCtx(RestoreTiDBSpecialComment, &sb)
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require.NoError(t, ctx.WriteWithSpecialComments("fea_id", func() error {
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ctx.WritePlain("content")
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return nil
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}))
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require.Equal(t, "/*T![fea_id] content */", sb.String())
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sb.Reset()
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require.NoError(t, ctx.WriteWithSpecialComments("", func() error {
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ctx.WritePlain("shard_row_id_bits")
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return nil
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}))
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require.Equal(t, "/*T! shard_row_id_bits */", sb.String())
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sb.Reset()
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err := errors.New("xxxx")
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got := ctx.WriteWithSpecialComments("", func() error {
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return err
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})
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require.Same(t, err, got)
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}
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