103 lines
2.4 KiB
Go
103 lines
2.4 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 expression
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import (
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"errors"
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. "github.com/pingcap/check"
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"github.com/pingcap/tidb/expression/builtin"
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)
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var _ = Suite(&testCallSuite{})
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type testCallSuite struct {
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}
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func (s *testCallSuite) TestCall(c *C) {
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f, err := NewCall("abs", []Expression{Value{1}}, false)
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c.Assert(err, IsNil)
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c.Assert(f.IsStatic(), IsTrue)
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c.Assert(f.Clone(), NotNil)
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c.Assert(len(f.String()), Greater, 0)
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m := map[interface{}]interface{}{}
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_, err = f.Eval(nil, m)
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c.Assert(err, IsNil)
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mock := mockExpr{
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isStatic: false,
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}
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f, err = NewCall("abs", []Expression{mock}, true)
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c.Assert(err, IsNil)
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c.Assert(len(f.String()), Greater, 0)
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c.Assert(f.IsStatic(), IsFalse)
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c.Assert(f.Clone(), NotNil)
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// test error
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f, err = NewCall("abs", []Expression{Value{1}, Value{2}}, true)
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c.Assert(err, NotNil)
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_, err = NewCall("must_error_func", nil, false)
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c.Assert(err, NotNil)
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fc := Call{
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F: "must_error_func",
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Args: nil,
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Distinct: false,
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}
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_, err = fc.Eval(nil, nil)
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c.Assert(err, NotNil)
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mock.err = errors.New("must error")
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mock.isStatic = true
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f, err = NewCall("abs", []Expression{mock}, true)
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c.Assert(err, NotNil)
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mock.isStatic = false
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f, err = NewCall("abs", []Expression{mock}, true)
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c.Assert(err, IsNil)
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c.Assert(f.Clone(), NotNil)
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_, err = f.Eval(nil, nil)
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c.Assert(err, NotNil)
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f, err = NewCall("sum", []Expression{Value{float64(1)}}, true)
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c.Assert(err, IsNil)
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m1 := map[interface{}]interface{}{}
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m2 := map[interface{}]interface{}{}
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f.Eval(nil, m1)
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f.Eval(nil, m1)
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f.Eval(nil, m2)
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m1[builtin.ExprAggDone] = struct{}{}
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m2[builtin.ExprAggDone] = struct{}{}
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v, err := f.Eval(nil, m1)
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c.Assert(err, IsNil)
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c.Assert(v, Equals, float64(1))
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v, err = f.Eval(nil, m2)
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c.Assert(err, IsNil)
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c.Assert(v, Equals, float64(1))
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}
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func (s *testCallSuite) TestBadNArgs(c *C) {
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err := badNArgs(1, "", nil)
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c.Assert(err, NotNil)
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err = badNArgs(0, "", []interface{}{1})
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c.Assert(err, NotNil)
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}
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