github.com/m3db/m3@v1.5.0/src/query/parser/m3ql/grammar_test.go (about)

     1  // Copyright (c) 2018 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package m3ql
    22  
    23  import (
    24  	"testing"
    25  
    26  	"github.com/golang/mock/gomock"
    27  	"github.com/stretchr/testify/require"
    28  )
    29  
    30  func TestGrammar(t *testing.T) {
    31  	ctrl := gomock.NewController(t)
    32  	defer ctrl.Finish()
    33  
    34  	sBuilder := NewMockscriptBuilder(ctrl)
    35  	sBuilder.EXPECT().newPipeline()
    36  	sBuilder.EXPECT().newExpression("fetch")
    37  	sBuilder.EXPECT().newKeywordArgument("name")
    38  	sBuilder.EXPECT().newPatternArgument("foo.bar")
    39  	sBuilder.EXPECT().endExpression()
    40  	sBuilder.EXPECT().newExpression(">=")
    41  	sBuilder.EXPECT().newNumericArgument("5")
    42  	sBuilder.EXPECT().endExpression()
    43  	sBuilder.EXPECT().endPipeline()
    44  
    45  	m := m3ql{
    46  		Buffer:        "fetch name:foo.bar | >= 5",
    47  		scriptBuilder: sBuilder,
    48  	}
    49  
    50  	m.Init()
    51  	err := m.Parse()
    52  	require.NoError(t, err)
    53  	m.Execute()
    54  }