public void DetectChanges_is_called_for_all_tracked_entities_and_returns_true_if_any_changes_detected()
{
var contextServices = TestHelpers.CreateContextServices(BuildModel());
var stateManager = contextServices.GetRequiredService <StateManager>();
var entry1 = stateManager.GetOrCreateEntry(new Category {
Id = 77, Name = "Beverages"
});
var entry2 = stateManager.GetOrCreateEntry(new Category {
Id = 78, Name = "Foods"
});
var entry3 = stateManager.GetOrCreateEntry(new Category {
Id = 79, Name = "Stuff"
});
stateManager.StartTracking(entry1);
stateManager.StartTracking(entry2);
stateManager.StartTracking(entry3);
var changeDetector = new FakeChangeDetector();
Assert.False(changeDetector.DetectChanges(stateManager));
Assert.Equal(new[] { 77, 78, 79 }, changeDetector.Entries.Select(e => ((Category)e.Entity).Id).ToArray());
((Category)entry2.Entity).Name = "Snacks";
Assert.True(changeDetector.DetectChanges(stateManager));
Assert.Equal(new[] { 77, 78, 79, 77, 78, 79 }, changeDetector.Entries.Select(e => ((Category)e.Entity).Id).ToArray());
}
public void DetectChanges_is_called_for_all_tracked_entities_and_returns_true_if_any_changes_detected()
{
var model = BuildModel();
var services = new ServiceCollection();
services.AddEntityFramework().AddInMemoryStore();
var config = TestHelpers.CreateContextConfiguration(services.BuildServiceProvider(), model);
var stateManager = config.Services.StateManager;
var entry1 = stateManager.GetOrCreateEntry(new Category {
Id = 77, Name = "Beverages"
});
var entry2 = stateManager.GetOrCreateEntry(new Category {
Id = 78, Name = "Foods"
});
var entry3 = stateManager.GetOrCreateEntry(new Category {
Id = 79, Name = "Stuff"
});
stateManager.StartTracking(entry1);
stateManager.StartTracking(entry2);
stateManager.StartTracking(entry3);
var changeDetector = new FakeChangeDetector();
Assert.False(changeDetector.DetectChanges(stateManager));
Assert.Equal(new[] { 77, 78, 79 }, changeDetector.Entries.Select(e => ((Category)e.Entity).Id).ToArray());
((Category)entry2.Entity).Name = "Snacks";
Assert.True(changeDetector.DetectChanges(stateManager));
Assert.Equal(new[] { 77, 78, 79, 77, 78, 79 }, changeDetector.Entries.Select(e => ((Category)e.Entity).Id).ToArray());
}
public void DetectChanges_is_called_for_all_tracked_entities_and_returns_true_if_any_changes_detected()
{
var model = BuildModel();
var services = new ServiceCollection();
services.AddEntityFramework().AddInMemoryStore();
var config = TestHelpers.CreateContextConfiguration(services.BuildServiceProvider(), model);
var stateManager = config.Services.StateManager;
var entry1 = stateManager.GetOrCreateEntry(new Category { Id = 77, Name = "Beverages" });
var entry2 = stateManager.GetOrCreateEntry(new Category { Id = 78, Name = "Foods" });
var entry3 = stateManager.GetOrCreateEntry(new Category { Id = 79, Name = "Stuff" });
stateManager.StartTracking(entry1);
stateManager.StartTracking(entry2);
stateManager.StartTracking(entry3);
var changeDetector = new FakeChangeDetector();
Assert.False(changeDetector.DetectChanges(stateManager));
Assert.Equal(new[] { 77, 78, 79 }, changeDetector.Entries.Select(e => ((Category)e.Entity).Id).ToArray());
((Category)entry2.Entity).Name = "Snacks";
Assert.True(changeDetector.DetectChanges(stateManager));
Assert.Equal(new[] { 77, 78, 79, 77, 78, 79 }, changeDetector.Entries.Select(e => ((Category)e.Entity).Id).ToArray());
}
