public void HasChanges_return_true_if_context_have_entities_in_modified_state()
{
using (var context = new SomeContext())
{
context.Entry(new Foo { Bar = "the foo" }).State = EntityState.Modified;
Assert.True(context.ChangeTracker.HasChanges());
}
}
public void HasChanges_return_true_if_context_have_entities_in_added_state()
{
using (var context = new SomeContext())
{
context.Foos.AddRange(new[] { new Foo { Bar = "the foo" }, new Foo { Bar = "the foo" } });
Assert.True(context.ChangeTracker.HasChanges());
}
}
public void HasChanges_return_false_if_context_dont_have_changes()
{
using (var context = new SomeContext())
{
context.Foos.Attach(new Foo { Bar = "bar" });
Assert.False(context.ChangeTracker.HasChanges());
}
}
public void HasChanges_return_true_if_context_have_entities_in_modified_state()
{
using (var context = new SomeContext())
{
context.Entry(new Foo {
Bar = "the foo"
}).State = EntityState.Modified;
Assert.True(context.ChangeTracker.HasChanges());
}
}
public void HasChanges_return_false_if_context_dont_have_changes()
{
using (var context = new SomeContext())
{
context.Foos.Attach(new Foo {
Bar = "bar"
});
Assert.False(context.ChangeTracker.HasChanges());
}
}
public void HasChanges_return_true_if_context_have_entities_in_added_state()
{
using (var context = new SomeContext())
{
context.Foos.AddRange(new[] { new Foo {
Bar = "the foo"
}, new Foo {
Bar = "the foo"
} });
Assert.True(context.ChangeTracker.HasChanges());
}
}
public void HasChanges_does_not_call_DetectChanges_if_it_has_been_disabled()
{
using (var context = new SomeContext())
{
var foo = context.Foos.Attach(new Foo { Bar = "the foo" });
context.Configuration.AutoDetectChangesEnabled = false;
foo.Bar = "the bar";
Assert.False(context.ChangeTracker.HasChanges());
context.ChangeTracker.DetectChanges();
Assert.True(context.ChangeTracker.HasChanges());
}
}
public void HasChanges_does_not_call_DetectChanges_if_it_has_been_disabled()
{
using (var context = new SomeContext())
{
var foo = context.Foos.Attach(new Foo {
Bar = "the foo"
});
context.Configuration.AutoDetectChangesEnabled = false;
foo.Bar = "the bar";
Assert.False(context.ChangeTracker.HasChanges());
context.ChangeTracker.DetectChanges();
Assert.True(context.ChangeTracker.HasChanges());
}
}