go.temporal.io/server@v1.23.0/common/predicates/predicates_test.go (about)

     1  // The MIT License
     2  //
     3  // Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
     4  //
     5  // Copyright (c) 2020 Uber Technologies, Inc.
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     8  // of this software and associated documentation files (the "Software"), to deal
     9  // in the Software without restriction, including without limitation the rights
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    12  // furnished to do so, subject to the following conditions:
    13  //
    14  // The above copyright notice and this permission notice shall be included in
    15  // all copies or substantial portions of the Software.
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    17  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    18  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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    20  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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    23  // THE SOFTWARE.
    24  
    25  package predicates
    26  
    27  import (
    28  	"golang.org/x/exp/maps"
    29  )
    30  
    31  var _ Predicate[int] = (*testPredicate)(nil)
    32  
    33  type (
    34  	testPredicate struct {
    35  		nums map[int]struct{}
    36  	}
    37  )
    38  
    39  func newTestPredicate(nums ...int) *testPredicate {
    40  	numsMap := make(map[int]struct{}, len(nums))
    41  	for _, x := range nums {
    42  		numsMap[x] = struct{}{}
    43  	}
    44  	return &testPredicate{
    45  		nums: numsMap,
    46  	}
    47  }
    48  
    49  func (p *testPredicate) Test(x int) bool {
    50  	_, ok := p.nums[x]
    51  	return ok
    52  }
    53  
    54  func (p *testPredicate) Equals(predicate Predicate[int]) bool {
    55  	testPrediate, ok := predicate.(*testPredicate)
    56  	if !ok {
    57  		return false
    58  	}
    59  
    60  	return maps.Equal(p.nums, testPrediate.nums)
    61  }