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coverage: add tests for property, indexer, and method setup edge cases and matching logic #734

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Merged
vbreuss merged 1 commit into from
Apr 30, 2026
Merged

coverage: add tests for property, indexer, and method setup edge cases and matching logic #734

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100 changes: 100 additions & 0 deletions Tests/Mockolate.Internal.Tests/Registry/MockRegistrySetupSnapshotTests.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
using System.Reflection;
using Mockolate.Interactions;
using Mockolate.Internal.Tests.TestHelpers;
using Mockolate.Setup;
Expand All @@ -6,6 +7,13 @@ namespace Mockolate.Internal.Tests.Registry;

public sealed class MockRegistrySetupSnapshotTests
{
private static PropertySetup?[]? GetPropertySnapshotTable(MockRegistry registry)
{
FieldInfo field = typeof(MockRegistry).GetField(
"_propertySetupsByMemberId", BindingFlags.Instance | BindingFlags.NonPublic)!;
return (PropertySetup?[]?)field.GetValue(registry);
}

public sealed class MethodTests
{
[Fact]
Expand Down Expand Up @@ -177,6 +185,56 @@ public async Task PublishPropertyToMemberIdBucket_WithUserThenDefaultSetup_Retai
await That(observed).IsEqualTo(99);
}

[Fact]
public async Task SetupProperty_DefaultDoesNotOverwriteUserSetupAtSameMemberIdInSnapshot()
{
MockRegistry registry = new(MockBehavior.Default, new FastMockInteractions(0));
PropertySetup<int> userSetup = new(registry, "Pg");
userSetup.InitializeWith(7);

registry.SetupProperty(1, userSetup);
registry.SetupProperty(1, new PropertySetup.Default<int>("Pg", 0));

PropertySetup?[]? table = GetPropertySnapshotTable(registry);
await That(table).IsNotNull();
await That(table![1]).IsSameAs(userSetup);
}

[Fact]
public async Task SetupProperty_UserSetupDoesOverwriteDefaultAtSameMemberIdInSnapshot()
{
MockRegistry registry = new(MockBehavior.Default, new FastMockInteractions(0));
PropertySetup<int> userSetup = new(registry, "Pg");
userSetup.InitializeWith(7);
PropertySetup.Default<int> defaultSetup = new("Pg", 0);

registry.SetupProperty(1, defaultSetup);
registry.SetupProperty(1, userSetup);

PropertySetup?[]? table = GetPropertySnapshotTable(registry);
await That(table).IsNotNull();
await That(table![1]).IsSameAs(userSetup);
}

[Fact]
public async Task SetupProperty_WithGrowingMemberIds_PreservesEarlierEntriesViaArrayCopy()
{
MockRegistry registry = new(MockBehavior.Default, new FastMockInteractions(0));
PropertySetup<int> setupA = new(registry, "Pa");
setupA.InitializeWith(1);
PropertySetup<int> setupB = new(registry, "Pb");
setupB.InitializeWith(2);

registry.SetupProperty(0, setupA);
registry.SetupProperty(5, setupB);

PropertySetup?[]? table = GetPropertySnapshotTable(registry);
await That(table).IsNotNull();
await That(table!.Length).IsGreaterThanOrEqualTo(6);
await That(table[0]).IsSameAs(setupA);
await That(table[5]).IsSameAs(setupB);
}

[Fact]
public async Task SetupProperty_WithIncreasingMemberIds_GrowsTableLazily()
{
Expand All @@ -197,6 +255,21 @@ public async Task SetupProperty_WithIncreasingMemberIds_GrowsTableLazily()
await That(registry.GetPropertyFast(3, "P3", _ => -1)).IsEqualTo(30);
}

[Fact]
public async Task SetupProperty_WithMemberId_PopulatesSnapshotSlot()
{
MockRegistry registry = new(MockBehavior.Default, new FastMockInteractions(0));
PropertySetup<int> setup = new(registry, "P3");
setup.InitializeWith(33);

registry.SetupProperty(3, setup);

PropertySetup?[]? table = GetPropertySnapshotTable(registry);
await That(table).IsNotNull();
await That(table!.Length).IsGreaterThanOrEqualTo(4);
await That(table[3]).IsSameAs(setup);
}

[Fact]
public async Task SetupProperty_WithMemberId_PublishesToSnapshot()
{
Expand All @@ -223,6 +296,20 @@ public async Task SetupProperty_WithMemberId_PublishesUserSetupToSnapshotTable()
await That(snapshot).IsSameAs(setup);
}

[Fact]
public async Task SetupProperty_WithMemberIdAndDefaultScenario_PopulatesSnapshotSlot()
{
MockRegistry registry = new(MockBehavior.Default, new FastMockInteractions(0));
PropertySetup<int> setup = new(registry, "P3");
setup.InitializeWith(33);

registry.SetupProperty(3, "", setup);

PropertySetup?[]? table = GetPropertySnapshotTable(registry);
await That(table).IsNotNull();
await That(table![3]).IsSameAs(setup);
}

[Fact]
public async Task SetupProperty_WithMemberIdAndDefaultScenario_PublishesToSnapshot()
{
Expand Down Expand Up @@ -262,6 +349,19 @@ public async Task SetupProperty_WithMemberIdAndNamedScenario_DoesNotPublishToSna
await That(observed).IsEqualTo(-1);
}

[Fact]
public async Task SetupProperty_WithMemberIdAndNamedScenario_LeavesSnapshotUnpublished()
{
MockRegistry registry = new(MockBehavior.Default, new FastMockInteractions(0));
PropertySetup<int> setup = new(registry, "P3");
setup.InitializeWith(33);

registry.SetupProperty(3, "scope", setup);

PropertySetup?[]? table = GetPropertySnapshotTable(registry);
await That(table).IsNull();
}

[Fact]
public async Task SetupProperty_WithMemberIdAndNamedScenario_PreservesScenarioBucket()
{
Expand Down
71 changes: 71 additions & 0 deletions Tests/Mockolate.Internal.Tests/Setup/IndexerSetupTests.cs
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -164,6 +164,32 @@ public async Task GetResult_WithDefaultValueGenerator_StoresComputedValueForLate
await That(stored).IsEqualTo("generated");
}

[Fact]
public async Task MatchesAccess_WithUnknownAccessType_ShouldReturnFalse()
{
IndexerSetup<int, string> setup = new(
new MockRegistry(MockBehavior.Default, new FastMockInteractions(0)),
(IParameterMatch<string>)It.IsAny<string>());
FakeIndexerAccess access = new();

bool matches = ((IInteractiveIndexerSetup)setup).Matches(access);

await That(matches).IsFalse();
}

[Fact]
public async Task SetResult_WhenValueDoesNotCastToTValue_ShouldNotInvokeSetterCallbacks()
{
MyIndexerSetup<int> setup = new();
int callCount = 0;
setup.OnSet.Do(() => callCount++);
IndexerSetterAccess<int, string> access = new(1, "stored");

setup.DoSetResult(access, 2L);

await That(callCount).IsEqualTo(0);
}

[Fact]
public async Task TryCast_WhenValueIsNotOfTargetTypeAndNotNull_ShouldReturnFalse()
{
Expand Down Expand Up @@ -356,6 +382,20 @@ public async Task GetResult_WithFuncGenerator_AndInitialization_ShouldUseInitial
await That(stored).IsEqualTo("7-9");
}

[Fact]
public async Task MatchesAccess_WithUnknownAccessType_ShouldReturnFalse()
{
IndexerSetup<string, int, int> setup = new(
new MockRegistry(MockBehavior.Default, new FastMockInteractions(0)),
(IParameterMatch<int>)It.IsAny<int>(),
(IParameterMatch<int>)It.IsAny<int>());
FakeIndexerAccess access = new();

bool matches = ((IInteractiveIndexerSetup)setup).Matches(access);

await That(matches).IsFalse();
}

private sealed class MyIndexerSetup<T1, T2>()
: IndexerSetup<string, T1, T2>(
new MockRegistry(MockBehavior.Default, new FastMockInteractions(0)),
Expand Down Expand Up @@ -559,6 +599,21 @@ public async Task GetResult_WithFuncGenerator_AndInitialization_ShouldUseInitial
await That(stored).IsEqualTo("7-8-9");
}

[Fact]
public async Task MatchesAccess_WithUnknownAccessType_ShouldReturnFalse()
{
IndexerSetup<string, int, int, int> setup = new(
new MockRegistry(MockBehavior.Default, new FastMockInteractions(0)),
(IParameterMatch<int>)It.IsAny<int>(),
(IParameterMatch<int>)It.IsAny<int>(),
(IParameterMatch<int>)It.IsAny<int>());
FakeIndexerAccess access = new();

bool matches = ((IInteractiveIndexerSetup)setup).Matches(access);

await That(matches).IsFalse();
}

private sealed class MyIndexerSetup<T1, T2, T3>()
: IndexerSetup<string, T1, T2, T3>(
new MockRegistry(MockBehavior.Default, new FastMockInteractions(0)),
Expand Down Expand Up @@ -773,6 +828,22 @@ public async Task GetResult_WithFuncGenerator_AndInitialization_ShouldUseInitial
await That(stored).IsEqualTo("6-7-8-9");
}

[Fact]
public async Task MatchesAccess_WithUnknownAccessType_ShouldReturnFalse()
{
IndexerSetup<string, int, int, int, int> setup = new(
new MockRegistry(MockBehavior.Default, new FastMockInteractions(0)),
(IParameterMatch<int>)It.IsAny<int>(),
(IParameterMatch<int>)It.IsAny<int>(),
(IParameterMatch<int>)It.IsAny<int>(),
(IParameterMatch<int>)It.IsAny<int>());
FakeIndexerAccess access = new();

bool matches = ((IInteractiveIndexerSetup)setup).Matches(access);

await That(matches).IsFalse();
}

private sealed class MyIndexerSetup<T1, T2, T3, T4>()
: IndexerSetup<string, T1, T2, T3, T4>(
new MockRegistry(MockBehavior.Default, new FastMockInteractions(0)),
Expand Down
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