github.com/dolthub/go-mysql-server@v0.18.0/sql/expression/function/json/json_unquote_test.go (about)

     1  // Copyright 2020-2021 Dolthub, 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  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package json
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/stretchr/testify/require"
    21  
    22  	"github.com/dolthub/go-mysql-server/sql"
    23  	"github.com/dolthub/go-mysql-server/sql/expression"
    24  	"github.com/dolthub/go-mysql-server/sql/types"
    25  )
    26  
    27  func TestJSONUnquote(t *testing.T) {
    28  	require := require.New(t)
    29  	js := NewJSONUnquote(expression.NewGetField(0, types.LongText, "json", false))
    30  
    31  	testCases := []struct {
    32  		row      sql.Row
    33  		expected interface{}
    34  		err      bool
    35  	}{
    36  		{sql.Row{nil}, nil, false},
    37  		{sql.Row{"\"abc\""}, `abc`, false},
    38  		{sql.Row{"[1, 2, 3]"}, `[1, 2, 3]`, false},
    39  		{sql.Row{"\"\t\u0032\""}, "\t2", false},
    40  		{sql.Row{"\\"}, nil, true},
    41  	}
    42  
    43  	for _, tt := range testCases {
    44  		result, err := js.Eval(sql.NewEmptyContext(), tt.row)
    45  
    46  		if !tt.err {
    47  			require.NoError(err)
    48  			require.Equal(tt.expected, result)
    49  		} else {
    50  			require.NotNil(err)
    51  		}
    52  	}
    53  }