Add directive when mocking DateTimes and Guids

WickedFlame · Sep 6, 2021 · e56e51b · e56e51b
1 parent 1a98041
commit e56e51b
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Showing 3 changed files with 30 additions and 2 deletions.
diff --git a/docs/changelog.md b/docs/changelog.md
@@ -5,7 +5,11 @@ nav_order: 99
 ---
 
 ## Polaroider Changelog
-### 2.0.x
+### 2.0.2
+- Mocking Guids also adds a directive to replace string Guids
+- Mocking DateTimes also adds a directive to replace ISO 8601 string DateTimes
+
+### 2.0.1
 - Mocking dynamic data
 - Indexers are ignored when mapping properties
 - Map only properties that have getters

diff --git a/src/Polaroider/SnapshotOptions.cs b/src/Polaroider/SnapshotOptions.cs
@@ -266,7 +266,7 @@ public static SnapshotOptions UseBasicFormatters(this SnapshotOptions options)
 
 		/// <summary>
 		/// Mocks changing <see cref="DateTime"/> values to a compareable format "0000-00-00T00:00:00.0000". Else the Snapshot would always fail due to changes in the time.
-		/// This simply adds a <see cref="MockDateTimeFormatter"/> to the options.
+		/// This adds a <see cref="MockDateTimeFormatter"/> and a directive to the options.
 		/// </summary>
 		/// <param name="options"></param>
 		/// <returns></returns>
@@ -276,15 +276,25 @@ public static SnapshotOptions MockDateTimes(this SnapshotOptions options)
 			options.AddFormatter(typeof(DateTime), formatter);
 			options.AddFormatter(typeof(DateTime?), formatter);
 
+			options.AddDirective(d => d.ReplaceDateTime());
+
 			return options;
 		}
 
+		/// <summary>
+		/// Mocks a <see cref="Guid"/> values to a compareable default format "00000000-0000-0000-0000-000000000000". Else the Snapshot would always fail due to changes in the Guid.
+		/// This adds a <see cref="MockGuidFormatter"/> and a directive to the options.
+		/// </summary>
+		/// <param name="options"></param>
+		/// <returns></returns>
 		public static SnapshotOptions MockGuids(this SnapshotOptions options)
 		{
 			var formatter = new MockGuidFormatter();
 			options.AddFormatter(typeof(Guid), formatter);
 			options.AddFormatter(typeof(Guid?), formatter);
 
+			options.AddDirective(d => d.ReplaceGuid());
+
 			return options;
 		}
 

diff --git a/src/Tests/Polaroider.Tests/Mapper/Formatters/MockDateTimeFormatterTests.cs b/src/Tests/Polaroider.Tests/Mapper/Formatters/MockDateTimeFormatterTests.cs
@@ -54,6 +54,13 @@ public void Mapper_MockDateTime_Tokenize_Nullable_Nullable_Null()
 			new { Value = (DateTime?)null }.Tokenize(options).ToString().Should().Be("Value: ");
 		}
 
+		[Test]
+		public void Mapper_MockDateTime_ISOStringDate()
+		{
+			var options = SnapshotOptions.Create(o => o.MockDateTimes());
+			new { Value = DateTime.Now.ToString("o") }.Tokenize(options).ToString().Should().Be("Value: 0000-00-00T00:00:00.0000");
+		}
+
 		[Test]
 		public void Mapper_MockGuids_SnapshotOptions_Tokenize()
 		{
@@ -76,5 +83,12 @@ public void Mapper_MockGuid_Tokenize_Nullable_Nullable_Null()
 			var options = SnapshotOptions.Create(o => o.MockGuids());
 			new { Value = (Guid?)null }.Tokenize(options).ToString().Should().Be("Value: ");
 		}
+
+		[Test]
+		public void Mapper_MockGuids_StringFuid()
+		{
+			var options = SnapshotOptions.Create(o => o.MockGuids());
+			new { Value = Guid.NewGuid().ToString() }.Tokenize(options).ToString().Should().Be("Value: 00000000-0000-0000-0000-000000000000");
+		}
 	}
 }