github.com/whtcorpsinc/milevadb-prod@v0.0.0-20211104133533-f57f4be3b597/soliton/generatedexpr/gen_expr_test.go (about)

     1  // Copyright 2020 WHTCORPS INC, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package generatedexpr
    15  
    16  import (
    17  	. "github.com/whtcorpsinc/check"
    18  	"github.com/whtcorpsinc/BerolinaSQL/ast"
    19  )
    20  
    21  var _ = Suite(&testGenExprSuite{})
    22  
    23  type testGenExprSuite struct{}
    24  
    25  func (s *testGenExprSuite) TestParseExpression(c *C) {
    26  	tests := []struct {
    27  		input   string
    28  		output  string
    29  		success bool
    30  	}{
    31  		{"json_extract(a, '$.a')", "json_extract", true},
    32  	}
    33  	for _, tt := range tests {
    34  		node, err := ParseExpression(tt.input)
    35  		if tt.success {
    36  			fc := node.(*ast.FuncCallExpr)
    37  			c.Assert(fc.FnName.L, Equals, tt.output)
    38  		} else {
    39  			c.Assert(err, NotNil)
    40  		}
    41  	}
    42  }