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| 1 | +using GitVersion.Formatting; |
| 2 | + |
| 3 | +namespace GitVersion.Core.Tests.Formatting; |
| 4 | + |
| 5 | +[TestFixture] |
| 6 | +public class ValueFormatterTests |
| 7 | +{ |
| 8 | + [Test] |
| 9 | + public void TryFormat_NullValue_ReturnsFalse() |
| 10 | + { |
| 11 | + var result = ValueFormatter.Default.TryFormat(null, "any", out var formatted); |
| 12 | + result.ShouldBeFalse(); |
| 13 | + formatted.ShouldBeEmpty(); |
| 14 | + } |
| 15 | + |
| 16 | + [Test] |
| 17 | + public void TryFormat_String_UsesStringFormatter() |
| 18 | + { |
| 19 | + var result = ValueFormatter.Default.TryFormat("hello", "u", out var formatted); |
| 20 | + result.ShouldBeTrue(); |
| 21 | + formatted.ShouldBe("HELLO"); |
| 22 | + } |
| 23 | + |
| 24 | + [Test] |
| 25 | + public void TryFormat_Number_UsesNumericFormatter() |
| 26 | + { |
| 27 | + var result = ValueFormatter.Default.TryFormat(1234.5678, "n", out var formatted); |
| 28 | + result.ShouldBeTrue(); |
| 29 | + formatted.ShouldBe("1,234.57"); |
| 30 | + } |
| 31 | + |
| 32 | + [Test] |
| 33 | + public void TryFormat_Date_UsesDateFormatter() |
| 34 | + { |
| 35 | + var date = new DateTime(2023, 12, 25); |
| 36 | + var result = ValueFormatter.Default.TryFormat(date, "yyyy-MM-dd", out var formatted); |
| 37 | + result.ShouldBeTrue(); |
| 38 | + formatted.ShouldBe("2023-12-25"); |
| 39 | + } |
| 40 | + |
| 41 | + [Test] |
| 42 | + public void TryFormat_FormattableObject_UsesFormattableFormatter() |
| 43 | + { |
| 44 | + var value = 123.456m; |
| 45 | + var result = ValueFormatter.Default.TryFormat(value, "C", out var formatted); |
| 46 | + result.ShouldBeTrue(); |
| 47 | + formatted.ShouldBe("¤123.46"); |
| 48 | + } |
| 49 | + |
| 50 | + [Test] |
| 51 | + public void TryFormat_InvalidFormat_ReturnsFalse() |
| 52 | + { |
| 53 | + var result = ValueFormatter.Default.TryFormat("test", "invalidformat", out var formatted); |
| 54 | + result.ShouldBeFalse(); |
| 55 | + formatted.ShouldBeEmpty(); |
| 56 | + } |
| 57 | + |
| 58 | + [Test] |
| 59 | + public void RegisterFormatter_AddsNewFormatter() |
| 60 | + { |
| 61 | + var customFormatter = new TestFormatter { Priority = 0 }; |
| 62 | + IValueFormatterCombiner sut = new ValueFormatter(); |
| 63 | + sut.RegisterFormatter(customFormatter); |
| 64 | + var result = sut.TryFormat("test", "custom", out var formatted); |
| 65 | + result.ShouldBeTrue(); |
| 66 | + formatted.ShouldBe("CUSTOM:test"); |
| 67 | + } |
| 68 | + |
| 69 | + [Test] |
| 70 | + public void RemoveFormatter_RemovesExistingFormatter() |
| 71 | + { |
| 72 | + IValueFormatterCombiner sut = new ValueFormatter(); |
| 73 | + // First verify numeric formatting works |
| 74 | + sut.TryFormat(123.45, "n", out var before); |
| 75 | + before.ShouldBe("123.45"); |
| 76 | + |
| 77 | + // Remove the numeric formatter |
| 78 | + sut.RemoveFormatter<NumericFormatter>(); |
| 79 | + |
| 80 | + // Now numeric formatting should fail |
| 81 | + var result = sut.TryFormat(123.45, "n", out var after); |
| 82 | + result.ShouldBeFalse(); |
| 83 | + after.ShouldBeEmpty(); |
| 84 | + } |
| 85 | + |
| 86 | + [Test] |
| 87 | + public void Formatters_ExecuteInPriorityOrder() |
| 88 | + { |
| 89 | + IValueFormatterCombiner sut = new ValueFormatter(); |
| 90 | + var highPriorityFormatter = new TestFormatter { Priority = 0 }; |
| 91 | + var lowPriorityFormatter = new TestFormatter { Priority = 99 }; |
| 92 | + |
| 93 | + sut.RegisterFormatter(lowPriorityFormatter); |
| 94 | + sut.RegisterFormatter(highPriorityFormatter); |
| 95 | + var result = sut.TryFormat("test", "custom", out var formatted); |
| 96 | + result.ShouldBeTrue(); |
| 97 | + |
| 98 | + // Should use the high priority formatter first |
| 99 | + formatted.ShouldBe("CUSTOM:test"); |
| 100 | + } |
| 101 | + |
| 102 | + private class TestFormatter : IValueFormatter |
| 103 | + { |
| 104 | + public int Priority { get; init; } |
| 105 | + |
| 106 | + public bool TryFormat(object? value, string format, out string result) |
| 107 | + { |
| 108 | + if (format == "custom" && value is string str) |
| 109 | + { |
| 110 | + result = $"CUSTOM:{str}"; |
| 111 | + return true; |
| 112 | + } |
| 113 | + |
| 114 | + result = string.Empty; |
| 115 | + return false; |
| 116 | + } |
| 117 | + |
| 118 | + public bool TryFormat(object? value, string format, System.Globalization.CultureInfo cultureInfo, out string result) |
| 119 | + => TryFormat(value, format, out result); |
| 120 | + } |
| 121 | +} |
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