github.com/myhau/pulumi/pkg/v3@v3.70.2-0.20221116134521-f2775972e587/resource/graph/resource_set_test.go (about)

     1  // Copyright 2016-2021, Pulumi Corporation.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package graph
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/stretchr/testify/assert"
    21  )
    22  
    23  func TestIntersect(t *testing.T) {
    24  	t.Parallel()
    25  
    26  	a := NewResource("a", nil)
    27  	b := NewResource("b", nil)
    28  	c := NewResource("c", nil)
    29  
    30  	setA := make(ResourceSet)
    31  	setA[a] = true
    32  	setA[b] = true
    33  	setB := make(ResourceSet)
    34  	setB[b] = true
    35  	setB[c] = true
    36  
    37  	setC := setA.Intersect(setB)
    38  	assert.False(t, setC[a])
    39  	assert.True(t, setC[b])
    40  	assert.False(t, setC[c])
    41  }
    42  
    43  func TestUnion(t *testing.T) {
    44  	t.Parallel()
    45  
    46  	a := NewResource("a", nil)
    47  	b := NewResource("b", nil)
    48  	c := NewResource("c", nil)
    49  
    50  	setA := make(ResourceSet)
    51  	setA[a] = true
    52  	setA[c] = true
    53  
    54  	setB := make(ResourceSet)
    55  	setB[b] = true
    56  
    57  	setC := setA.Union(setB)
    58  	assert.True(t, setC[a])
    59  	assert.True(t, setC[b])
    60  	assert.True(t, setC[c])
    61  }
    62  
    63  func TestSetMinus(t *testing.T) {
    64  	t.Parallel()
    65  
    66  	a := NewResource("a", nil)
    67  	b := NewResource("b", nil)
    68  	c := NewResource("c", nil)
    69  
    70  	setA := make(ResourceSet)
    71  	setA[a] = true
    72  	setA[b] = true
    73  
    74  	setB := make(ResourceSet)
    75  	setB[b] = true
    76  	setB[c] = true
    77  
    78  	setC := setA.SetMinus(setB)
    79  	assert.True(t, setC[a])
    80  	assert.False(t, setC[b])
    81  	assert.False(t, setC[c])
    82  }