Hi,
in my Controller I have some tansactions. I'm trying to write specs, which test
the two program pathes (an exception is thrown or no exception is thrown). But
the test seems always to go into the path, where the exception is catched.
Here's an example for the delete action
(destroy method is overwritten, so :dependent => :destroy is not possible here)
The test case "should flash the notice" fails, because not the program path of
success is executed, but the rescue path is executed.
Perhaps my exception handling is generally wrong ?
Thanks
Andrea
plannings_controller.rb
-----------------------
def destroy
@planning = Physical::Planning::Planning.find(params[:id])
respond_to do |format|
begin
ActiveRecord::Base.transaction do
@planning.destroy
@planning.planned_amounts.each { |planned_amount| planned_amount.destroy }
end
# success
flash[:notice] = "The #{Physical::Planning::Planning::DISPLAY_NAME.downcase}
'" + @planning.title + "' was successfully deleted."
format.html { redirect_to(planning_plannings_url) }
format.xml { head :ok }
rescue => e
# DB raised errors
flash[:error] = "The #{Physical::Planning::Planning::DISPLAY_NAME.downcase} '"
+ (@planning.nil? ? "" : @planning.title) + "' could not be deleted. Error:" + e
format.html { redirect_to(planning_plannings_url) }
format.xml { render :xml => @planning.errors, :status => :unprocessable_entity
}
end
end
end
plannings_controller_spec.rb
----------------------------
describe Physical::Planning::PlanningsController, "DELETE" do
include PlanningMacros
should_require_login :put, :delete
should_require_authorization :put, :delete
context "when the user is logged in" do
before(:each) do
do_login
do_authorization
@planning = mock_model(Physical::Planning::Planning, valid_planning_attributes)
@planned_amount = mock_model(Physical::Planning::PlannedAmount,
valid_planned_amount_attributes)
@planning.stub!(:destroy)
@planning.stub!(:planned_amounts).and_return([...@planned_amount])
Physical::Planning::Planning.stub!(:find).and_return(@planning)
@planning.errors.stub!(:full_messages).and_return([])
end
# delete successfully
# -------------------
context "and the Planning deletes successfully" do
....
it "should destroy the Physical::Planning::Planning in a transaction" do
Physical::Planning::Planning.should_receive(:transaction).any_number_of_times.and_yield(
@planning.should_receive(:destroy)
)
do_put_delete
end
it "should destroy the PlannedAmounts of the Physical::Planning::Planning in a
transaction" do
Physical::Planning::Planning.should_receive(:transaction).any_number_of_times.and_yield(
@planned_amount.should_receive(:destroy)
)
do_put_delete
end
it "should flash the notice" do
do_put_delete
flash[:notice].should match(/was successfully deleted/)
end
...
end
# delete fails
# ------------
context "and the Planning fails to delete" do
it "should flash error message because of database exception" do
Physical::Planning::Planning.should_receive(:transaction).any_number_of_times.and_yield(
@planning.should_receive(:destroy).and_raise(ActiveRecord::RecordInvalid.new(@planning))
)
do_put_delete
flash[:error].should match(/could not be deleted/)
end
end
end
end
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