public void Can_read_value()
{
var reader = new ObjectArrayValueReader(new object[] { 77, "Smokey" });
Assert.Equal(77, reader.ReadValue<int>(0));
Assert.Equal("Smokey", reader.ReadValue<string>(1));
}
public void IsNull_returns_true_only_if_value_is_null()
{
var reader = new ObjectArrayValueReader(new object[] { null, "" });
Assert.True(reader.IsNull(0));
Assert.False(reader.IsNull(1));
}
private static IEnumerable <TEntity> EntityQuery <TEntity>(
QueryContext queryContext,
IEntityType entityType,
Func <IValueReader, EntityKey> entityKeyFactory,
Func <IEntityType, IValueReader, object> materializer,
bool queryStateManager)
where TEntity : class
{
return(((InMemoryQueryContext)queryContext).Database
.GetTables(entityType)
.SelectMany(t =>
t.Select(vs =>
{
var valueReader = new ObjectArrayValueReader(vs);
var entityKey = entityKeyFactory(valueReader);
return (TEntity)queryContext
.QueryBuffer
.GetEntity(
entityType,
entityKey,
new EntityLoadInfo(
valueReader,
vr => materializer(t.EntityType, vr)),
queryStateManager);
})));
}
public void StartTracking_throws_for_null_entity_key_in_value_reader()
{
var model = BuildModel();
var categoryType = model.GetEntityType(typeof(Category));
var stateManager = CreateStateManager(model);
var valueReader = new ObjectArrayValueReader(new object[] { null, "Bjork", null });
Assert.Equal(
Strings.InvalidPrimaryKey("Category"),
Assert.Throws<InvalidOperationException>(
() => stateManager.StartTracking(categoryType, new Category { Id = 77 }, valueReader)).Message);
}
public void StartTracking_is_no_op_if_entity_is_already_tracked()
{
var model = BuildModel();
var categoryType = model.GetEntityType(typeof(Category));
var stateManager = CreateStateManager(model);
var category = new Category { Id = 77 };
var valueReader = new ObjectArrayValueReader(new object[] { 77, "Bjork", null });
var entry = stateManager.StartTracking(categoryType, category, valueReader);
Assert.Same(entry, stateManager.StartTracking(categoryType, category, valueReader));
}
public void StartTracking_throws_for_null_entity_key_in_value_reader()
{
var model = BuildModel();
var categoryType = model.GetEntityType(typeof(Category));
var stateManager = CreateStateManager(model);
var valueReader = new ObjectArrayValueReader(new object[] { null, "Bjork", null });
Assert.Equal(
Strings.NullPrimaryKey("Category"),
Assert.Throws <InvalidOperationException>(
() => stateManager.StartTracking(categoryType, new Category {
Id = 77
}, valueReader)).Message);
}
public void StartTracking_is_no_op_if_entity_is_already_tracked()
{
var model = BuildModel();
var categoryType = model.GetEntityType(typeof(Category));
var stateManager = CreateStateManager(model);
var category = new Category {
Id = 77
};
var valueReader = new ObjectArrayValueReader(new object[] { 77, "Bjork", null });
var entry = stateManager.StartTracking(categoryType, category, valueReader);
Assert.Same(entry, stateManager.StartTracking(categoryType, category, valueReader));
}
public void StartTracking_throws_if_different_instance_with_same_identity_is_already_tracked()
{
var model = BuildModel();
var categoryType = model.GetEntityType(typeof(Category));
var stateManager = CreateStateManager(model);
var valueReader = new ObjectArrayValueReader(new object[] { 77, "Bjork", null });
stateManager.StartTracking(categoryType, new Category { Id = 77 }, valueReader);
Assert.Equal(
Strings.IdentityConflict("Category"),
Assert.Throws<InvalidOperationException>(
() => stateManager.StartTracking(categoryType, new Category { Id = 77 }, valueReader)).Message);
}
public void StartTracking_throws_if_different_instance_with_same_identity_is_already_tracked()
{
var model = BuildModel();
var categoryType = model.GetEntityType(typeof(Category));
var stateManager = CreateStateManager(model);
var valueReader = new ObjectArrayValueReader(new object[] { 77, "Bjork", null });
stateManager.StartTracking(categoryType, new Category {
Id = 77
}, valueReader);
Assert.Equal(
Strings.IdentityConflict("Category"),
Assert.Throws <InvalidOperationException>(
() => stateManager.StartTracking(categoryType, new Category {
Id = 77
}, valueReader)).Message);
}
public void Can_get_count()
{
var reader = new ObjectArrayValueReader(new object[] { 77, "Smokey" });
Assert.Equal(2, reader.Count);
}
public void Can_get_count()
{
var reader = new ObjectArrayValueReader(new object[] { 77, "Smokey" });
Assert.Equal(2, reader.Count);
}
