github.com/m3db/m3@v1.5.0/src/metrics/transformation/unary_multi_test.go (about)

     1  // Copyright (c) 2020 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  	"time"
    26  
    27  	"github.com/stretchr/testify/require"
    28  )
    29  
    30  func TestReset(t *testing.T) {
    31  	reset, err := Reset.UnaryMultiOutputTransform()
    32  	require.NoError(t, err)
    33  	now := time.Now()
    34  	dp := Datapoint{Value: 1000, TimeNanos: now.UnixNano()}
    35  	resolution := 30 * time.Second
    36  	this, other := reset.Evaluate(dp, resolution)
    37  	require.Equal(t, dp, this)
    38  	require.Equal(t, Datapoint{Value: 0, TimeNanos: now.Add(15 * time.Second).UnixNano()}, other)
    39  }
    40  
    41  func TestResetAtLeast1Nanosecond(t *testing.T) {
    42  	reset, err := Reset.UnaryMultiOutputTransform()
    43  	require.NoError(t, err)
    44  	now := time.Now()
    45  	dp := Datapoint{Value: 1000, TimeNanos: now.UnixNano()}
    46  	resolution := 1 * time.Nanosecond
    47  	this, other := reset.Evaluate(dp, resolution)
    48  	require.Equal(t, dp, this)
    49  	require.Equal(t, Datapoint{Value: 0, TimeNanos: now.Add(1 * time.Nanosecond).UnixNano()}, other)
    50  }
    51  
    52  func TestUnaryMultiParse(t *testing.T) {
    53  	parsed, err := ParseType("Reset")
    54  	require.NoError(t, err)
    55  	require.Equal(t, Reset, parsed)
    56  }