Has many through - It is not necessary to manually merge in the conditions hash for the through record, because the creation is done directly on the through association, which will already handle setting the conditions.

AssociationCollection#to_ary should definitely dup the target! Also changed #replace which was previously incorrect, but the test passed due to the fact that to_a was not duping.

We shouldn't be using scoped.scoping { ... } to build associated records, as this can affect validations/callbacks/etc inside the record itself [#6252 state:resolved]

Test non zero exit code and that a message still appears when generating inside an existing Rails directory.

Unfortunately, I can't find out how to suppress its output so we see ....Invalid application name test. Please give a name which does not match one of the reserved rails words.....................................

Use Thor's self.exit_on_failure? to exit whenever accessing the generators from the CLI and a Thor::Error is raised.

Apply exit code 1 when commands don't succeed so that other libraries can properly detect the failure.

test_first_and_array_index_zero_methods_return_the_same_value_when_nested_attributes_are_set_to_update_existing_record added