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Add comprehensive test coverage for legacy composite formatter
Adds all test files from the FormatNoFormat branch to ensure complete coverage of the LegacyCompositeFormatter functionality: - BackwardCompatibilityTests.cs (2 tests): Tests regex pattern parsing for legacy semicolon syntax and mixed new/old syntax - LegacyFormatterProblemTests.cs (9 tests): Comprehensive edge case tests covering: * Null value handling * Missing property error handling * Double negative prevention * Positive/negative/zero section selection * Numeric formatting in all sections * Invalid format handling * Issue #4654 verification tests - LegacyFormattingSyntaxTests.cs (7 tests): Tests for legacy format syntax parsing and behavior Also fixes namespace from GitVersion.Tests.Formatting to GitVersion.Core.Tests.Formatting in: - ValueFormatterTests.cs - StringFormatterTests.cs - DateFormatterTests.cs Total: 21 tests covering legacy composite format functionality
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‎src/GitVersion.Core.Tests/Formatting/BackwardCompatibilityTests.cs‎

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namespace GitVersion.Core.Tests.Formatting;
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[TestFixture]
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public class LegacyRegexPatternTests
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{
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[Test]
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public void ExpandTokensRegex_ShouldParseLegacySemicolonSyntax()
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{
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const string input = "{CommitsSinceVersionSource:0000;;''}";
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var matches = RegexPatterns.Common.ExpandTokensRegex().Matches(input);
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matches.Count.ShouldBe(1);
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var match = matches[0];
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match.Groups["member"].Value.ShouldBe("CommitsSinceVersionSource");
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match.Groups["format"].Success.ShouldBeTrue();
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}
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[Test]
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public void ExpandTokensRegex_ShouldHandleMixedSyntax()
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{
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const string input = "{NewStyle:0000 ?? 'fallback'} {OldStyle:pos;neg;zero}";
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var matches = RegexPatterns.Common.ExpandTokensRegex().Matches(input);
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matches.Count.ShouldBe(2);
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var newMatch = matches[0];
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newMatch.Groups["member"].Value.ShouldBe("NewStyle");
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newMatch.Groups["fallback"].Value.ShouldBe("fallback");
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var oldMatch = matches[1];
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oldMatch.Groups["member"].Value.ShouldBe("OldStyle");
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}
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}

‎src/GitVersion.Core.Tests/Formatting/DateFormatterTests.cs‎

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using System.Globalization;
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using GitVersion.Formatting;
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namespace GitVersion.Tests.Formatting;
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namespace GitVersion.Core.Tests.Formatting;
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[TestFixture]
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public class DateFormatterTests

‎src/GitVersion.Core.Tests/Formatting/LegacyFormatterProblemTests.cs‎

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using GitVersion.Core.Tests.Helpers;
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using GitVersion.Formatting;
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namespace GitVersion.Core.Tests.Formatting;
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[TestFixture]
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public class LegacyFormatterProblemTests
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{
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private TestEnvironment environment;
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[SetUp]
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public void Setup() => environment = new TestEnvironment();
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// ==========================================
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// PROBLEM 1: Non-existent properties
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// ==========================================
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[Test]
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[Category("Problem2")]
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public void Problem2_NullValue_ShouldUseZeroSection()
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{
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var testObject = new { Value = (int?)null };
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const string template = "{Value:positive;negative;zero}";
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const string expected = "zero";
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var actual = template.FormatWith(testObject, environment);
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actual.ShouldBe(expected, "Null values should use zero section without transformation");
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}
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[Test]
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[Category("Problem1")]
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public void Problem1_MissingProperty_ShouldFailGracefully()
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{
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// Test tries to use {MajorMinorPatch} on SemanticVersion but that property doesn't exist
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var semanticVersion = new SemanticVersion
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{
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Major = 1,
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Minor = 2,
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Patch = 3
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};
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const string template = "{MajorMinorPatch}"; // This property doesn't exist on SemanticVersion
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// Currently this will throw or behave unexpectedly
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// Should either throw meaningful error or handle gracefully
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Assert.Throws<ArgumentException>(() => template.FormatWith(semanticVersion, environment));
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}
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// ==========================================
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// PROBLEM 2: Double negative handling
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// ==========================================
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[Test]
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[Category("Problem2")]
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public void Problem2_NegativeValue_ShouldNotDoubleNegative()
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{
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var testObject = new { Value = -5 };
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const string template = "{Value:positive;negative;zero}";
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// EXPECTED: "negative" (just the literal text from section 2)
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// ACTUAL: "-negative" (the negative sign from -5 plus the literal "negative")
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const string expected = "negative";
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var actual = template.FormatWith(testObject, environment);
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// This will currently fail - we get "-negative" instead of "negative"
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actual.ShouldBe(expected, "Negative values should use section text without the negative sign");
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}
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[Test]
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[Category("Problem2")]
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public void Problem2_PositiveValue_ShouldFormatCorrectly()
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{
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var testObject = new { Value = 5 };
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const string template = "{Value:positive;negative;zero}";
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const string expected = "positive";
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var actual = template.FormatWith(testObject, environment);
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actual.ShouldBe(expected);
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}
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[Test]
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[Category("Problem2")]
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public void Problem2_ZeroValue_ShouldUseZeroSection()
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{
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var testObject = new { Value = 0 };
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const string template = "{Value:positive;negative;zero}";
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const string expected = "zero";
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var actual = template.FormatWith(testObject, environment);
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actual.ShouldBe(expected);
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}
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// ==========================================
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// PROBLEM 3: Insufficient formatting logic
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// ==========================================
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[Test]
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[Category("Problem3")]
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public void Problem3_NumericFormatting_AllSectionsShouldFormat()
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{
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// Test that numeric formatting works in ALL sections, not just first
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var testObject = new { Value = -42 };
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const string template = "{Value:0000;0000;0000}"; // All sections should pad with zeros
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// EXPECTED: "0042" (absolute value 42, formatted with 0000 in negative section)
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// ACTUAL: "0000" (literal text instead of formatted value)
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const string expected = "0042";
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var actual = template.FormatWith(testObject, environment);
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actual.ShouldBe(expected, "Negative section should format the absolute value, not return literal");
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}
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[Test]
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[Category("Problem3")]
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public void Problem3_FirstSectionWorks_OthersDont()
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{
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// Demonstrate that first section works but others don't
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var positiveObject = new { Value = 42 };
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var negativeObject = new { Value = -42 };
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const string template = "{Value:0000;WRONG;WRONG}";
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// First section (positive) should work correctly
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var positiveResult = template.FormatWith(positiveObject, environment);
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positiveResult.ShouldBe("0042", "First section should format correctly");
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// Second section (negative) should return literal when invalid format provided
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var negativeResult = template.FormatWith(negativeObject, environment);
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// Invalid format "WRONG" should return literal to give user feedback about their error
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negativeResult.ShouldBe("WRONG", "Invalid format should return literal to indicate user error");
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}
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// ==========================================
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// VERIFY #4654 FIX STILL WORKS
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// ==========================================
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[Test]
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[Category("Issue4654")]
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public void Issue4654_LegacySyntax_ShouldStillWork()
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{
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// Verify the original #4654 fix still works
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var testObject = new { CommitsSinceVersionSource = 2 };
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const string template = "{CommitsSinceVersionSource:0000;;''}";
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const string expected = "0002";
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var actual = template.FormatWith(testObject, environment);
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actual.ShouldBe(expected, "Issue #4654 fix must be preserved");
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}
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[Test]
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[Category("Issue4654")]
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public void Issue4654_ZeroValue_ShouldUseEmptyString()
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{
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// Zero values should use the third section (empty string)
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var testObject = new { CommitsSinceVersionSource = 0 };
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const string template = "{CommitsSinceVersionSource:0000;;''}";
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const string expected = "";
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var actual = template.FormatWith(testObject, environment);
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actual.ShouldBe(expected, "Zero values should use third section (empty)");
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}
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}

‎src/GitVersion.Core.Tests/Formatting/LegacyFormattingSyntaxTests.cs‎

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using System.Globalization;
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using GitVersion.Core.Tests.Helpers;
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using GitVersion.Formatting;
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namespace GitVersion.Core.Tests.Formatting;
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[TestFixture]
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public class LegacyFormattingSyntaxTests
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{
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[Test]
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public void FormatWith_LegacyZeroFallbackSyntax_ShouldWork()
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{
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var semanticVersion = new SemanticVersion
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{
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Major = 6,
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Minor = 13,
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Patch = 54,
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PreReleaseTag = new SemanticVersionPreReleaseTag("gv6", 1, true),
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BuildMetaData = new SemanticVersionBuildMetaData()
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{
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Branch = "feature/gv6",
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VersionSourceSha = "versionSourceSha",
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Sha = "489a0c0ab425214def918e36399f3cc3c9a9c42d",
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ShortSha = "489a0c0",
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CommitsSinceVersionSource = 2,
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CommitDate = DateTimeOffset.Parse("2025-08-12", CultureInfo.InvariantCulture)
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}
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};
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const string template = "{MajorMinorPatch}{PreReleaseLabelWithDash}{CommitsSinceVersionSource:0000;;''}";
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const string expected = "6.13.54-gv60002";
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var actual = template.FormatWith(semanticVersion, new TestEnvironment());
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actual.ShouldBe(expected);
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}
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[Test]
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public void FormatWith_LegacyThreeSectionSyntax_ShouldWork()
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{
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var testObject = new { Value = -5 };
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const string template = "{Value:positive;negative;zero}";
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const string expected = "negative";
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var actual = template.FormatWith(testObject, new TestEnvironment());
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actual.ShouldBe(expected);
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}
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[Test]
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public void FormatWith_LegacyTwoSectionSyntax_ShouldWork()
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{
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var testObject = new { Value = -10 };
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const string template = "{Value:positive;negative}";
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const string expected = "negative";
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var actual = template.FormatWith(testObject, new TestEnvironment());
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actual.ShouldBe(expected);
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}
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[Test]
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public void FormatWith_LegacyZeroValue_ShouldUseThirdSection()
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{
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var testObject = new { Value = 0 };
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const string template = "{Value:pos;neg;ZERO}";
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const string expected = "ZERO";
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var actual = template.FormatWith(testObject, new TestEnvironment());
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actual.ShouldBe(expected);
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}
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[Test]
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public void FormatWith_MixedLegacyAndNewSyntax_ShouldWork()
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{
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var testObject = new
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{
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OldStyle = 0,
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NewStyle = 42,
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RegularProp = "test"
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};
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const string template = "{OldStyle:pos;neg;''}{NewStyle:0000 ?? 'fallback'}{RegularProp}";
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const string expected = "0042test";
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var actual = template.FormatWith(testObject, new TestEnvironment());
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actual.ShouldBe(expected);
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}
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[Test]
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public void FormatWith_LegacyWithStandardFormatSpecifiers_ShouldWork()
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{
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var testObject = new { Amount = 1234.56 };
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const string template = "{Amount:C2;(C2);'No Amount'}";
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const string expected = "¤1,234.56";
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var actual = template.FormatWith(testObject, new TestEnvironment());
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actual.ShouldBe(expected);
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}
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[Test]
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public void FormatWith_Issue4654ExactCase_ShouldWork()
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{
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var semanticVersion = new SemanticVersion
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{
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Major = 6,
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Minor = 13,
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Patch = 54,
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PreReleaseTag = new SemanticVersionPreReleaseTag("gv6", 1, true),
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BuildMetaData = new SemanticVersionBuildMetaData("Branch.feature-gv6")
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{
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CommitsSinceVersionSource = 2
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}
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};
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var mainBranchVersion = new SemanticVersion
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{
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Major = 6,
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Minor = 13,
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Patch = 54,
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PreReleaseTag = new SemanticVersionPreReleaseTag(string.Empty, 0, true),
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BuildMetaData = new SemanticVersionBuildMetaData()
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{
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CommitsSinceVersionSource = 0
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}
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};
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const string template = "{MajorMinorPatch}{PreReleaseLabelWithDash}{CommitsSinceVersionSource:0000;;''}";
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var featureResult = template.FormatWith(semanticVersion, new TestEnvironment());
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featureResult.ShouldBe("6.13.54-gv60002");
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var mainResult = template.FormatWith(mainBranchVersion, new TestEnvironment());
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mainResult.ShouldBe("6.13.54");
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}
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}

‎src/GitVersion.Core.Tests/Formatting/StringFormatterTests.cs‎

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using GitVersion.Formatting;
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namespace GitVersion.Tests.Formatting;
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namespace GitVersion.Core.Tests.Formatting;
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[TestFixture]
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public class StringFormatterTests

‎src/GitVersion.Core.Tests/Formatting/ValueFormatterTests.cs‎

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using System.Globalization;
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using GitVersion.Formatting;
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namespace GitVersion.Tests.Formatting;
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namespace GitVersion.Core.Tests.Formatting;
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[TestFixture]
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public class ValueFormatterTests

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