43 lines
1.2 KiB
Go
43 lines
1.2 KiB
Go
// Copyright 2022 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 ast is the abstract syntax tree parsed from a SQL statement by parser.
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// It can be analysed and transformed by optimizer.
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package ast
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import (
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"testing"
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"github.com/pingcap/tidb/pkg/parser/charset"
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"github.com/stretchr/testify/require"
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)
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func TestNodeSetText(t *testing.T) {
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n := &node{}
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tests := []struct {
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text string
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enc charset.Encoding
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expectUTF8Text string
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expectText string
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}{
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{"你好", nil, "你好", "你好"},
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{"\xd2\xbb", charset.EncodingGBKImpl, "一", "\xd2\xbb"},
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{"\xc1\xd0", charset.EncodingGBKImpl, "列", "\xc1\xd0"},
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}
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for _, tt := range tests {
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n.SetText(tt.enc, tt.text)
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require.Equal(t, tt.expectUTF8Text, n.Text())
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require.Equal(t, tt.expectText, n.OriginalText())
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}
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}
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