private void Can_set_and_get_original_value_starting_null_helper <TWotty>()
where TWotty : IWotty, new()
{
using (var context = new PrimateContext())
{
var entity = new TWotty {
Id = 1
};
var entry = context.Entry(entity).GetInfrastructure();
entry.SetEntityState(EntityState.Unchanged);
Assert.Null(new PropertyEntry(entry, "Primate").OriginalValue);
Assert.Null(new PropertyEntry(entry, "RequiredPrimate").OriginalValue);
new PropertyEntry(entry, "Primate").OriginalValue = "Chimp";
new PropertyEntry(entry, "RequiredPrimate").OriginalValue = "Bushbaby";
Assert.Equal("Chimp", new PropertyEntry(entry, "Primate").OriginalValue);
Assert.Null(entity.Primate);
Assert.Equal("Bushbaby", new PropertyEntry(entry, "RequiredPrimate").OriginalValue);
Assert.Null(entity.RequiredPrimate);
context.ChangeTracker.DetectChanges();
Assert.Equal("Chimp", new PropertyEntry(entry, "Primate").OriginalValue);
Assert.Null(entity.Primate);
Assert.Equal("Bushbaby", new PropertyEntry(entry, "RequiredPrimate").OriginalValue);
Assert.Null(entity.RequiredPrimate);
}
}
private void Can_set_original_value_to_null_helper <TWotty>()
where TWotty : IWotty, new()
{
using var context = new PrimateContext();
var entity = new TWotty
{
Id = 1,
Primate = "Monkey",
RequiredPrimate = "Tarsier"
};
var entry = context.Entry(entity).GetInfrastructure();
entry.SetEntityState(EntityState.Unchanged);
new PropertyEntry(entry, "Primate").OriginalValue = null;
new PropertyEntry(entry, "RequiredPrimate").OriginalValue = null;
Assert.Null(new PropertyEntry(entry, "Primate").OriginalValue);
Assert.Null(new PropertyEntry(entry, "RequiredPrimate").OriginalValue);
context.ChangeTracker.DetectChanges();
Assert.Null(new PropertyEntry(entry, "Primate").OriginalValue);
Assert.Null(new PropertyEntry(entry, "RequiredPrimate").OriginalValue);
}
private void Can_set_current_value_helper <TWotty>()
where TWotty : IWotty, new()
{
using var context = new PrimateContext();
var entity = new TWotty
{
Id = 1,
Primate = "Monkey",
RequiredPrimate = "Tarsier"
};
var entry = context.Entry(entity).GetInfrastructure();
entry.SetEntityState(EntityState.Unchanged);
new PropertyEntry(entry, "Primate").CurrentValue = "Chimp";
new PropertyEntry(entry, "RequiredPrimate").CurrentValue = "Bushbaby";
Assert.Equal("Chimp", entity.Primate);
Assert.Equal("Bushbaby", entity.RequiredPrimate);
context.ChangeTracker.DetectChanges();
Assert.Equal("Chimp", entity.Primate);
Assert.Equal("Bushbaby", entity.RequiredPrimate);
}
private void Can_set_current_value_to_null_generic_helper <TWotty>()
where TWotty : class, IWotty, new()
{
var entity = new TWotty {
Id = 1, Primate = "Monkey"
};
var entry = InMemoryTestHelpers.Instance.CreateInternalEntry(
BuildModel(),
EntityState.Unchanged,
entity);
new PropertyEntry <Wotty, string>(entry, "Primate").CurrentValue = null;
Assert.Null(entity.Primate);
}
private void Can_set_and_get_original_value_generic_helper <TWotty>()
where TWotty : class, IWotty, new()
{
var entity = new TWotty {
Id = 1, Primate = "Monkey"
};
var entry = InMemoryTestHelpers.Instance.CreateInternalEntry(
BuildModel(),
EntityState.Unchanged,
entity);
Assert.Equal("Monkey", new PropertyEntry <Wotty, string>(entry, "Primate").OriginalValue);
new PropertyEntry <Wotty, string>(entry, "Primate").OriginalValue = "Chimp";
Assert.Equal("Chimp", new PropertyEntry <Wotty, string>(entry, "Primate").OriginalValue);
Assert.Equal("Monkey", entity.Primate);
}
private void Can_set_and_clear_modified_on_Modified_entity_helper <TWotty>()
where TWotty : IWotty, new()
{
using (var context = new PrimateContext())
{
var entity = new TWotty {
Id = 1
};
var entry = context.Entry(entity).GetInfrastructure();
entry.SetEntityState(EntityState.Modified);
Assert.True(new PropertyEntry(entry, "Primate").IsModified);
Assert.True(new PropertyEntry(entry, "RequiredPrimate").IsModified);
context.ChangeTracker.DetectChanges();
Assert.True(new PropertyEntry(entry, "Primate").IsModified);
Assert.True(new PropertyEntry(entry, "RequiredPrimate").IsModified);
new PropertyEntry(entry, "Primate").IsModified = false;
new PropertyEntry(entry, "RequiredPrimate").IsModified = false;
Assert.False(new PropertyEntry(entry, "Primate").IsModified);
Assert.False(new PropertyEntry(entry, "RequiredPrimate").IsModified);
context.ChangeTracker.DetectChanges();
Assert.False(new PropertyEntry(entry, "Primate").IsModified);
Assert.False(new PropertyEntry(entry, "RequiredPrimate").IsModified);
new PropertyEntry(entry, "Primate").IsModified = true;
new PropertyEntry(entry, "RequiredPrimate").IsModified = true;
Assert.True(new PropertyEntry(entry, "Primate").IsModified);
Assert.True(new PropertyEntry(entry, "RequiredPrimate").IsModified);
context.ChangeTracker.DetectChanges();
Assert.True(new PropertyEntry(entry, "Primate").IsModified);
Assert.True(new PropertyEntry(entry, "RequiredPrimate").IsModified);
}
}
private void Can_set_and_clear_modified_generic_helper <TWotty>()
where TWotty : class, IWotty, new()
{
var entity = new TWotty {
Id = 1, Primate = "Monkey"
};
var entry = InMemoryTestHelpers.Instance.CreateInternalEntry(
BuildModel(),
EntityState.Unchanged,
entity);
Assert.False(new PropertyEntry <Wotty, string>(entry, "Primate").IsModified);
new PropertyEntry(entry, "Primate").IsModified = true;
Assert.True(new PropertyEntry <Wotty, string>(entry, "Primate").IsModified);
new PropertyEntry(entry, "Primate").IsModified = false;
Assert.False(new PropertyEntry <Wotty, string>(entry, "Primate").IsModified);
}
private void Can_reject_changes_when_clearing_modified_flag_helper <TWotty>()
where TWotty : IWotty, new()
{
using (var context = new PrimateContext())
{
var entity = new TWotty {
Id = 1, Primate = "Monkey", Marmate = "Bovril", RequiredPrimate = "Tarsier"
};
var entry = context.Entry(entity).GetInfrastructure();
entry.SetEntityState(EntityState.Unchanged);
var primateEntry = new PropertyEntry(entry, "Primate")
{
OriginalValue = "Chimp", IsModified = true
};
var marmateEntry = new PropertyEntry(entry, "Marmate")
{
OriginalValue = "Marmite", IsModified = true
};
var requiredEntry = new PropertyEntry(entry, "RequiredPrimate")
{
OriginalValue = "Bushbaby", IsModified = true
};
Assert.Equal(EntityState.Modified, entry.EntityState);
Assert.Equal("Monkey", entity.Primate);
Assert.Equal("Bovril", entity.Marmate);
Assert.Equal("Tarsier", entity.RequiredPrimate);
context.ChangeTracker.DetectChanges();
Assert.Equal(EntityState.Modified, entry.EntityState);
Assert.Equal("Monkey", entity.Primate);
Assert.Equal("Bovril", entity.Marmate);
Assert.Equal("Tarsier", entity.RequiredPrimate);
primateEntry.IsModified = false;
Assert.Equal(EntityState.Modified, entry.EntityState);
Assert.Equal("Chimp", entity.Primate);
Assert.Equal("Bovril", entity.Marmate);
Assert.Equal("Tarsier", entity.RequiredPrimate);
context.ChangeTracker.DetectChanges();
Assert.Equal(EntityState.Modified, entry.EntityState);
Assert.Equal("Chimp", entity.Primate);
Assert.Equal("Bovril", entity.Marmate);
Assert.Equal("Tarsier", entity.RequiredPrimate);
marmateEntry.IsModified = false;
Assert.Equal(EntityState.Modified, entry.EntityState);
Assert.Equal("Chimp", entity.Primate);
Assert.Equal("Marmite", entity.Marmate);
Assert.Equal("Tarsier", entity.RequiredPrimate);
context.ChangeTracker.DetectChanges();
Assert.Equal(EntityState.Modified, entry.EntityState);
Assert.Equal("Chimp", entity.Primate);
Assert.Equal("Marmite", entity.Marmate);
Assert.Equal("Tarsier", entity.RequiredPrimate);
requiredEntry.IsModified = false;
Assert.Equal(EntityState.Unchanged, entry.EntityState);
Assert.Equal("Chimp", entity.Primate);
Assert.Equal("Marmite", entity.Marmate);
Assert.Equal("Bushbaby", entity.RequiredPrimate);
context.ChangeTracker.DetectChanges();
Assert.Equal(EntityState.Unchanged, entry.EntityState);
Assert.Equal("Chimp", entity.Primate);
Assert.Equal("Marmite", entity.Marmate);
Assert.Equal("Bushbaby", entity.RequiredPrimate);
}
}
