github.com/waldiirawan/apm-agent-go/v2@v2.2.2/sqlutil/scanner_test.go (about)

     1  // Licensed to Elasticsearch B.V. under one or more contributor
     2  // license agreements. See the NOTICE file distributed with
     3  // this work for additional information regarding copyright
     4  // ownership. Elasticsearch B.V. licenses this file to you under
     5  // the Apache License, Version 2.0 (the "License"); you may
     6  // not use this file except in compliance with the License.
     7  // You may obtain a copy of the License at
     8  //
     9  //     http://www.apache.org/licenses/LICENSE-2.0
    10  //
    11  // Unless required by applicable law or agreed to in writing,
    12  // software distributed under the License is distributed on an
    13  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    14  // KIND, either express or implied.  See the License for the
    15  // specific language governing permissions and limitations
    16  // under the License.
    17  
    18  package sqlutil
    19  
    20  import (
    21  	"encoding/json"
    22  	"io/ioutil"
    23  	"testing"
    24  
    25  	"github.com/stretchr/testify/assert"
    26  	"github.com/stretchr/testify/require"
    27  )
    28  
    29  type test struct {
    30  	Name    string `json:"name"`
    31  	Comment string `json:"comment,omitempty"`
    32  	Input   string `json:"input"`
    33  	Tokens  []struct {
    34  		Kind string `json:"kind"`
    35  		Text string `json:"text"`
    36  	} `json:"tokens,omitempty"`
    37  }
    38  
    39  func TestScanner(t *testing.T) {
    40  	var tests []test
    41  	data, err := ioutil.ReadFile("../internal/testdata/json-specs/sql_token_examples.json")
    42  	require.NoError(t, err)
    43  	err = json.Unmarshal(data, &tests)
    44  	require.NoError(t, err)
    45  
    46  	for _, test := range tests {
    47  		t.Run(test.Name, func(t *testing.T) {
    48  			msgFormat := "%s"
    49  			args := []interface{}{test.Input}
    50  			if test.Comment != "" {
    51  				msgFormat += " (%s)"
    52  				args = append(args, test.Comment)
    53  			}
    54  
    55  			s := NewScanner(test.Input)
    56  			for _, tok := range test.Tokens {
    57  				if !assert.True(t, s.Scan()) {
    58  					return
    59  				}
    60  				assert.Equal(t, tok.Kind, s.Token().String())
    61  				assert.Equal(t, tok.Text, s.Text())
    62  			}
    63  			assert.False(t, s.Scan())
    64  		})
    65  	}
    66  }