github.com/m3db/m3@v1.5.0/src/query/functions/scalar/scalar_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 scalar
    22  
    23  import (
    24  	"testing"
    25  
    26  	"github.com/m3db/m3/src/query/block"
    27  	"github.com/m3db/m3/src/query/executor/transform"
    28  	"github.com/m3db/m3/src/query/models"
    29  	"github.com/m3db/m3/src/query/parser"
    30  	"github.com/m3db/m3/src/query/test"
    31  	"github.com/m3db/m3/src/query/test/executor"
    32  	"github.com/m3db/m3/src/query/test/transformtest"
    33  
    34  	"github.com/stretchr/testify/assert"
    35  	"github.com/stretchr/testify/require"
    36  )
    37  
    38  func TestScalar(t *testing.T) {
    39  	val := 10.0
    40  	_, bounds := test.GenerateValuesAndBounds(nil, nil)
    41  	c, sink := executor.NewControllerWithSink(parser.NodeID(rune(0)))
    42  	op, err := NewScalarOp(val, models.NewTagOptions())
    43  	require.NoError(t, err)
    44  
    45  	baseOp, ok := op.(*ScalarOp)
    46  	require.True(t, ok)
    47  	start := bounds.Start
    48  	step := bounds.StepSize
    49  	node := baseOp.Node(c, transformtest.Options(t, transform.OptionsParams{
    50  		TimeSpec: transform.TimeSpec{
    51  			Start: start,
    52  			End:   bounds.End(),
    53  			Step:  step,
    54  		},
    55  	}))
    56  
    57  	err = node.Execute(models.NoopQueryContext())
    58  	require.NoError(t, err)
    59  	require.Equal(t, 1, len(sink.Values))
    60  	require.Equal(t, block.BlockScalar, sink.Info.BaseType())
    61  
    62  	vals := sink.Values[0]
    63  	assert.Equal(t, bounds.Steps(), len(vals))
    64  	for _, v := range vals {
    65  		assert.Equal(t, val, v)
    66  	}
    67  
    68  	resultMeta := sink.Meta.ResultMetadata
    69  	require.True(t, resultMeta.Exhaustive)
    70  	require.True(t, resultMeta.LocalOnly)
    71  	require.Equal(t, 0, len(resultMeta.Warnings))
    72  }