github.com/m3db/m3@v1.5.0/src/metrics/transformation/unary_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 transformation
    22  
    23  import (
    24  	"testing"
    25  
    26  	"github.com/stretchr/testify/require"
    27  )
    28  
    29  func TestAbsolute(t *testing.T) {
    30  	inputs := []struct {
    31  		dp       Datapoint
    32  		expected Datapoint
    33  	}{
    34  		{
    35  			dp:       Datapoint{TimeNanos: 0, Value: 1.2},
    36  			expected: Datapoint{TimeNanos: 0, Value: 1.2},
    37  		},
    38  		{
    39  			dp:       Datapoint{TimeNanos: 0, Value: -1.2},
    40  			expected: Datapoint{TimeNanos: 0, Value: 1.2},
    41  		},
    42  		{
    43  			dp:       Datapoint{TimeNanos: 1234, Value: -1.2},
    44  			expected: Datapoint{TimeNanos: 1234, Value: 1.2},
    45  		},
    46  	}
    47  
    48  	for _, input := range inputs {
    49  		require.Equal(t, input.expected, absolute(input.dp))
    50  	}
    51  }