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Merge pull request #23 from fastwildcard/11-benchmarks
Reworked benchmarks to behave more like real world
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10 changes: 6 additions & 4 deletions
10
tests/FastWildcard.Performance.Tests/FastWildcard.Performance.Tests.csproj
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65 changes: 65 additions & 0 deletions
65
tests/FastWildcard.Performance.Tests/IterationBuilderTests.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| using System; | ||
| using System.ComponentModel.DataAnnotations; | ||
| using System.Linq; | ||
| using AutoFixture.Xunit2; | ||
| using FastWildcard.Performance.Benchmarks; | ||
| using FluentAssertions; | ||
| using Xunit; | ||
|
|
||
| namespace FastWildcard.Performance.Tests | ||
| { | ||
| public class IterationBuilderTests | ||
| { | ||
| [Theory, AutoData] | ||
| public void BuildPattern_InvalidParameter_ThrowsException( | ||
| [Range(-100, 0)] int patternLength, | ||
| [Range(-100, -1)] int singleCharacterCount, | ||
| [Range(-100, -1)] int multiCharacterCount | ||
| ) | ||
| { | ||
| Action action = () => IterationBuilder.BuildPattern(patternLength, singleCharacterCount, multiCharacterCount); | ||
|
|
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| action.Should().Throw<ArgumentOutOfRangeException>(); | ||
| } | ||
|
|
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| [Theory, AutoData] | ||
| public void BuildPattern_OfLength_ReturnsStringWithLength( | ||
| [Range(1, 100)] int patternLength, | ||
| [Range(0, 100)] int singleCharacterCount, | ||
| [Range(0, 100)] int multiCharacterCount | ||
| ) | ||
| { | ||
| var (result, newSingleCount, newMultiCount) = IterationBuilder.BuildPattern(patternLength, singleCharacterCount, multiCharacterCount); | ||
|
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| result.Should().NotBeNullOrWhiteSpace() | ||
| .And.HaveLength(patternLength) | ||
| .And.Match(s => s.Count(ch => ch == '?') == newSingleCount) | ||
| .And.Match(s => s.Count(ch => ch == '*') == newMultiCount); | ||
| } | ||
|
|
||
| [Theory] | ||
| [InlineData(null)] | ||
| [InlineData("")] | ||
| [InlineData(" ")] | ||
| public void BuildTestString_InvalidParameter_ThrowsException(string pattern) | ||
| { | ||
| Action action = () => IterationBuilder.BuildTestString(pattern); | ||
|
|
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| action.Should().Throw<ArgumentException>(); | ||
| } | ||
|
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| [Theory, AutoData] | ||
| public void BuildTestString_OfLength_ReturnsStringWithLength( | ||
| [Range(1, 100)] int patternLength, | ||
| [Range(0, 100)] int singleCharacterCount, | ||
| [Range(0, 100)] int multiCharacterCount | ||
| ) | ||
| { | ||
| var (pattern, _, _) = IterationBuilder.BuildPattern(patternLength, singleCharacterCount, multiCharacterCount); | ||
|
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| var result = IterationBuilder.BuildTestString(pattern); | ||
|
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| result.Should().NotBeNullOrWhiteSpace(); | ||
| } | ||
| } | ||
| } |
94 changes: 94 additions & 0 deletions
94
tests/FastWildcard.Performance/Benchmarks/IterationBuilder.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Text; | ||
|
|
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| namespace FastWildcard.Performance.Benchmarks | ||
| { | ||
| public static class IterationBuilder | ||
| { | ||
| public static (string result, int newSingleCount, int newMultiCount) BuildPattern(int patternLength, int singleCountSuggestion, int multiCountSuggestion) | ||
| { | ||
| const int wildcardPercentage = 10; | ||
|
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| if (patternLength <= 0) | ||
| throw new ArgumentOutOfRangeException(nameof(patternLength)); | ||
| if (singleCountSuggestion < 0) | ||
| throw new ArgumentOutOfRangeException(nameof(singleCountSuggestion)); | ||
| if (multiCountSuggestion < 0) | ||
| throw new ArgumentOutOfRangeException(nameof(multiCountSuggestion)); | ||
|
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| var adjustedSingleCount = Math.Min(singleCountSuggestion, patternLength) / wildcardPercentage; | ||
| var adjustedMultiCount = Math.Min(multiCountSuggestion, patternLength) / wildcardPercentage; | ||
|
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| var patternBuilder = new StringBuilder(new Bogus.Randomizer().AlphaNumeric(patternLength)); | ||
|
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| var random = new Random(); | ||
|
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| var singleCharacterLocations = new List<int>(); | ||
| if (singleCountSuggestion > 0) | ||
| { | ||
| singleCharacterLocations = Enumerable.Range(0, adjustedSingleCount) | ||
| .Select(x => random.Next(0, patternLength)) | ||
| .ToList(); | ||
| singleCharacterLocations.ForEach(x => patternBuilder[x] = '?'); | ||
| } | ||
|
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| var multiCharacterLocations = new List<int>(); | ||
| if (multiCountSuggestion > 0) | ||
| { | ||
| multiCharacterLocations = Enumerable.Range(0, adjustedMultiCount) | ||
| .Select(x => random.Next(0, patternLength)) | ||
| .Where(x => !singleCharacterLocations.Contains(x)) | ||
| .ToList(); | ||
| multiCharacterLocations.ForEach(x => patternBuilder[x] = '*'); | ||
| } | ||
|
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| var pattern = patternBuilder.ToString(); | ||
| return (pattern, singleCharacterLocations.Count, multiCharacterLocations.Count); | ||
| } | ||
|
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| public static string BuildTestString(string pattern) | ||
| { | ||
| if (string.IsNullOrWhiteSpace(pattern)) | ||
| throw new ArgumentException("Value cannot be null or whitespace.", nameof(pattern)); | ||
|
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| var randomizer = new Bogus.Randomizer(); | ||
|
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| const int noMatchPercentage = 50; | ||
| if (WeightedMatch(noMatchPercentage)) | ||
| { | ||
| return randomizer.String(); | ||
| } | ||
|
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| const int charMatchPercentage = 95; | ||
| var strBuilder = new StringBuilder(pattern.Length * 2); | ||
| foreach (var patternCh in pattern) | ||
| { | ||
| if (patternCh == '?') | ||
| { | ||
| strBuilder.Append(randomizer.AlphaNumeric(1)); | ||
| } | ||
| else if (patternCh == '*') | ||
| { | ||
| strBuilder.Append(randomizer.Words()); | ||
| } | ||
| else | ||
| { | ||
| if (WeightedMatch(charMatchPercentage)) | ||
| { | ||
| strBuilder.Append(patternCh); | ||
| } | ||
| } | ||
| } | ||
|
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| var str = strBuilder.ToString(); | ||
| return str; | ||
|
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| bool WeightedMatch(int percentage) | ||
| { | ||
| return randomizer.Bool(percentage / 100f); | ||
| } | ||
| } | ||
| } | ||
| } |
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