92 lines
2.2 KiB
Go
92 lines
2.2 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 expression
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import (
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"github.com/juju/errors"
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. "github.com/pingcap/check"
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)
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var _ = Suite(&testRegexpSuite{})
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type testRegexpSuite struct {
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}
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func (rs *testRegexpSuite) TestT(c *C) {
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tbl := []struct {
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pattern string
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input string
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match bool
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}{
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{"^$", "a", false},
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{"a", "a", true},
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{"a", "b", false},
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{"aA", "aA", true},
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{".", "a", true},
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{"^.$", "ab", false},
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{"..", "b", false},
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{".ab", "aab", true},
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{".*", "abcd", true},
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}
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for _, v := range tbl {
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pattern := &PatternRegexp{
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Pattern: &Value{v.pattern},
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Expr: &Value{v.input},
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}
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match, err := pattern.Eval(nil, nil)
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c.Assert(err, IsNil)
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c.Assert(match.(bool), Equals, v.match, Commentf("%v", v))
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}
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pat := &PatternRegexp{
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Pattern: &mockExpr{err: errors.Errorf("test error")},
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Expr: &mockExpr{err: errors.Errorf("test error")},
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}
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c.Assert(pat.Clone(), NotNil)
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_, err := pat.Eval(nil, nil)
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c.Assert(err, NotNil)
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pat.Expr = &Value{"^$"}
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c.Assert(pat.Clone(), NotNil)
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_, err = pat.Eval(nil, nil)
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c.Assert(err, NotNil)
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pat.Pattern = &Value{"a"}
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c.Assert(pat.Clone(), NotNil)
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_, err = pat.Eval(nil, nil)
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c.Assert(err, IsNil)
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c.Assert(pat.IsStatic(), IsTrue)
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c.Assert(pat.String(), Not(Equals), "")
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pat.Not = true
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_, err = pat.Eval(nil, nil)
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c.Assert(err, IsNil)
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pat.Re = nil
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pat.Pattern = &Value{123}
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_, err = pat.Eval(nil, nil)
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c.Assert(err, NotNil)
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pat.Pattern = &Value{"["}
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_, err = pat.Eval(nil, nil)
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c.Assert(err, NotNil)
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pat.Pattern = &Value{nil}
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_, err = pat.Eval(nil, nil)
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c.Assert(err, IsNil)
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pat.Sexpr = nil
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pat.Expr = &Value{123}
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_, err = pat.Eval(nil, nil)
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c.Assert(err, NotNil)
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pat.Expr = &Value{nil}
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_, err = pat.Eval(nil, nil)
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c.Assert(err, IsNil)
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}
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