github.com/m3db/m3@v1.5.0/src/query/functions/binary/base_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 binary
    22  
    23  import (
    24  	"math"
    25  	"testing"
    26  
    27  	"github.com/stretchr/testify/assert"
    28  )
    29  
    30  func testFunction(t *testing.T, op string, expected float64) {
    31  	fn, err := ArithmeticFunction(op, false)
    32  	assert.NoError(t, err)
    33  	actual := fn(12, 15)
    34  	if math.IsNaN(expected) {
    35  		assert.True(t, math.IsNaN(actual))
    36  	} else {
    37  		assert.Equal(t, expected, actual)
    38  	}
    39  }
    40  
    41  func testFunctionReturnBool(t *testing.T, op string, expected float64) {
    42  	fn, err := ArithmeticFunction(op, true)
    43  	assert.NoError(t, err)
    44  	assert.Equal(t, expected, fn(12, 15))
    45  }
    46  
    47  func TestArithmeticFunction(t *testing.T) {
    48  	testFunction(t, PlusType, 27)
    49  	testFunction(t, MinusType, -3)
    50  	testFunction(t, MultiplyType, 180)
    51  	testFunction(t, DivType, 0.8)
    52  	testFunction(t, ExpType, 15407021574586368)
    53  	testFunction(t, ModType, 12)
    54  
    55  	testFunction(t, EqType, math.NaN())
    56  	testFunction(t, NotEqType, 12)
    57  	testFunction(t, GreaterType, math.NaN())
    58  	testFunction(t, LesserType, 12)
    59  	testFunction(t, GreaterEqType, math.NaN())
    60  	testFunction(t, LesserEqType, 12)
    61  
    62  	testFunctionReturnBool(t, EqType, 0)
    63  	testFunctionReturnBool(t, NotEqType, 1)
    64  	testFunctionReturnBool(t, GreaterType, 0)
    65  	testFunctionReturnBool(t, LesserType, 1)
    66  	testFunctionReturnBool(t, GreaterEqType, 0)
    67  	testFunctionReturnBool(t, LesserEqType, 1)
    68  }