expectation_test.rb in bourne-1.1.2

- old
+ new

@@ -5,11 +5,11 @@
 require 'bourne/mockery'
 require 'execution_point'
 require 'simple_counter'
 
 class ExpectationTest < Test::Unit::TestCase
-  
+
   include Mocha
 
   class FakeMockery
     attr_reader :invocations
 
@@ -34,71 +34,71 @@
   end
 
   def new_expectation
     Expectation.new(nil, :expected_method)
   end
-  
+
   def test_should_match_calls_to_same_method_with_any_parameters
     assert new_expectation.match?(:expected_method, 1, 2, 3)
   end
-  
+
   def test_should_match_calls_to_same_method_with_exactly_zero_parameters
     expectation = new_expectation.with()
     assert expectation.match?(:expected_method)
   end
-  
+
   def test_should_not_match_calls_to_same_method_with_more_than_zero_parameters
     expectation = new_expectation.with()
     assert !expectation.match?(:expected_method, 1, 2, 3)
   end
-  
+
   def test_should_match_calls_to_same_method_with_expected_parameter_values
     expectation = new_expectation.with(1, 2, 3)
     assert expectation.match?(:expected_method, 1, 2, 3)
   end
-  
+
   def test_should_match_calls_to_same_method_with_parameters_constrained_as_expected
     expectation = new_expectation.with() {|x, y, z| x + y == z}
     assert expectation.match?(:expected_method, 1, 2, 3)
   end
-  
+
   def test_should_not_match_calls_to_different_method_with_parameters_constrained_as_expected
     expectation = new_expectation.with() {|x, y, z| x + y == z}
     assert !expectation.match?(:different_method, 1, 2, 3)
   end
-  
+
   def test_should_not_match_calls_to_different_methods_with_no_parameters
     assert !new_expectation.match?(:unexpected_method)
   end
-  
+
   def test_should_not_match_calls_to_same_method_with_too_few_parameters
     expectation = new_expectation.with(1, 2, 3)
     assert !expectation.match?(:unexpected_method, 1, 2)
   end
-  
+
   def test_should_not_match_calls_to_same_method_with_too_many_parameters
     expectation = new_expectation.with(1, 2)
     assert !expectation.match?(:unexpected_method, 1, 2, 3)
   end
-  
+
   def test_should_not_match_calls_to_same_method_with_unexpected_parameter_values
     expectation = new_expectation.with(1, 2, 3)
     assert !expectation.match?(:unexpected_method, 1, 0, 3)
   end
-  
+
   def test_should_not_match_calls_to_same_method_with_parameters_not_constrained_as_expected
     expectation = new_expectation.with() {|x, y, z| x + y == z}
     assert !expectation.match?(:expected_method, 1, 0, 3)
   end
-  
+
   def test_should_allow_invocations_until_expected_invocation_count_is_one_and_actual_invocation_count_would_be_two
     expectation = new_expectation.times(1)
     assert expectation.invocations_allowed?
     expectation.invoke([])
     assert !expectation.invocations_allowed?
   end
-  
+
   def test_should_allow_invocations_until_expected_invocation_count_is_two_and_actual_invocation_count_would_be_three
     expectation = new_expectation.times(2)
     assert expectation.invocations_allowed?
     expectation.invoke([])
     assert expectation.invocations_allowed?
@@ -114,22 +114,22 @@
     expectation.invoke([])
     assert expectation.invocations_allowed?
     expectation.invoke([])
     assert !expectation.invocations_allowed?
   end
-  
+
   def test_should_store_provided_backtrace
     backtrace = Object.new
     expectation = Expectation.new(nil, :expected_method, backtrace)
     assert_equal backtrace, expectation.backtrace
   end
-  
+
   def test_should_default_backtrace_to_caller
     execution_point = ExecutionPoint.current; expectation = Expectation.new(nil, :expected_method)
     assert_equal execution_point, ExecutionPoint.new(expectation.backtrace)
   end
-  
+
   def test_should_not_yield
     yielded = false
     new_expectation.invoke([]) { yielded = true }
     assert_equal false, yielded
   end
@@ -153,11 +153,11 @@
     yielded_parameters = []
     expectation.invoke([]) { |*parameters| yielded_parameters << parameters }
     expectation.invoke([]) { |*parameters| yielded_parameters << parameters }
     assert_equal [[1, 2, 3], [4, 5]], yielded_parameters
   end
-  
+
   def test_should_yield_multiple_times_for_single_invocation
     expectation = new_expectation().multiple_yields([1, 2, 3], [4, 5])
     yielded_parameters = []
     expectation.invoke([]) { |*parameters| yielded_parameters << parameters }
     assert_equal [[1, 2, 3], [4, 5]], yielded_parameters
@@ -173,94 +173,94 @@
 
   def test_should_return_specified_value
     expectation = new_expectation.returns(99)
     assert_equal 99, expectation.invoke([])
   end
-  
+
   def test_should_return_same_specified_value_multiple_times
     expectation = new_expectation.returns(99)
     assert_equal 99, expectation.invoke([])
     assert_equal 99, expectation.invoke([])
   end
-  
+
   def test_should_return_specified_values_on_consecutive_calls
     expectation = new_expectation.returns(99, 100, 101)
     assert_equal 99, expectation.invoke([])
     assert_equal 100, expectation.invoke([])
     assert_equal 101, expectation.invoke([])
   end
-  
+
   def test_should_return_specified_values_on_consecutive_calls_even_if_values_are_modified
     values = [99, 100, 101]
     expectation = new_expectation.returns(*values)
     values.shift
     assert_equal 99, expectation.invoke([])
     assert_equal 100, expectation.invoke([])
     assert_equal 101, expectation.invoke([])
   end
-  
+
   def test_should_return_nil_by_default
     assert_nil new_expectation.invoke([])
   end
-  
+
   def test_should_return_nil_if_no_value_specified
     expectation = new_expectation.returns()
     assert_nil expectation.invoke([])
   end
-  
+
   def test_should_raise_runtime_exception
     expectation = new_expectation.raises
     assert_raise(RuntimeError) { expectation.invoke([]) }
   end
-  
+
   def test_should_raise_custom_exception
     exception = Class.new(Exception)
     expectation = new_expectation.raises(exception)
     assert_raise(exception) { expectation.invoke([]) }
   end
-  
+
   def test_should_raise_same_instance_of_custom_exception
     exception_klass = Class.new(StandardError)
     expected_exception = exception_klass.new
     expectation = new_expectation.raises(expected_exception)
     actual_exception = assert_raise(exception_klass) { expectation.invoke([]) }
     assert_same expected_exception, actual_exception
   end
-  
+
   def test_should_use_the_default_exception_message
     expectation = new_expectation.raises(Exception)
     exception = assert_raise(Exception) { expectation.invoke([]) }
     assert_equal Exception.new.message, exception.message
   end
-  
+
   def test_should_raise_custom_exception_with_message
     exception_msg = "exception message"
     expectation = new_expectation.raises(Exception, exception_msg)
     exception = assert_raise(Exception) { expectation.invoke([]) }
     assert_equal exception_msg, exception.message
   end
-  
+
   def test_should_return_values_then_raise_exception
     expectation = new_expectation.returns(1, 2).then.raises()
     assert_equal 1, expectation.invoke([])
     assert_equal 2, expectation.invoke([])
     assert_raise(RuntimeError) { expectation.invoke([]) }
   end
-  
+
   def test_should_raise_exception_then_return_values
     expectation = new_expectation.raises().then.returns(1, 2)
     assert_raise(RuntimeError) { expectation.invoke([]) }
     assert_equal 1, expectation.invoke([])
     assert_equal 2, expectation.invoke([])
   end
-  
+
   def test_should_verify_successfully_if_expected_call_was_made
     expectation = new_expectation
     expectation.invoke([])
     assert expectation.verified?
   end
-  
+
   def test_should_not_verify_successfully_if_call_expected_once_but_invoked_twice
     expectation = new_expectation.once
     expectation.invoke([])
     expectation.invoke([])
     assert !expectation.verified?
@@ -301,108 +301,108 @@
   def test_should_verify_successfully_if_expected_call_was_made_at_least_once
     expectation = new_expectation.at_least_once
     3.times {expectation.invoke([])}
     assert expectation.verified?
   end
-  
+
   def test_should_not_verify_successfully_if_expected_call_was_not_made_at_least_once
     expectation = new_expectation.with(1, 2, 3).at_least_once
     assert !expectation.verified?
     assert_match(/expected at least once, not yet invoked/i, expectation.mocha_inspect)
   end
-  
+
   def test_should_verify_successfully_if_expected_call_was_made_expected_number_of_times
     expectation = new_expectation.times(2)
     2.times {expectation.invoke([])}
     assert expectation.verified?
   end
-  
+
   def test_should_not_verify_successfully_if_expected_call_was_made_too_few_times
     expectation = new_expectation.times(2)
     1.times {expectation.invoke([])}
     assert !expectation.verified?
     assert_match(/expected exactly twice/i, expectation.mocha_inspect)
     assert_match(/invoked once/i, expectation.mocha_inspect)
   end
-  
+
   def test_should_not_verify_successfully_if_expected_call_was_made_too_many_times
     expectation = new_expectation.times(2)
     3.times {expectation.invoke([])}
     assert !expectation.verified?
   end
-  
+
   def test_should_increment_assertion_counter_for_expectation_because_it_does_need_verifyng
     expectation = new_expectation
     expectation.invoke([])
     assertion_counter = SimpleCounter.new
     expectation.verified?(assertion_counter)
     assert_equal 1, assertion_counter.count
   end
-  
+
   def test_should_not_increment_assertion_counter_for_stub_because_it_does_not_need_verifying
     stub = Expectation.new(nil, :expected_method).at_least(0)
     assertion_counter = SimpleCounter.new
     stub.verified?(assertion_counter)
     assert_equal 0, assertion_counter.count
   end
-  
+
   def test_should_store_backtrace_from_point_where_expectation_was_created
     execution_point = ExecutionPoint.current; expectation = Expectation.new(nil, :expected_method)
     assert_equal execution_point, ExecutionPoint.new(expectation.backtrace)
   end
-  
+
   class FakeMock
-    
+
     def initialize(name)
       @name = name
     end
 
     def mocha_inspect
       @name
     end
-    
+
   end
-  
+
   def test_should_raise_error_with_message_indicating_which_method_was_expected_to_be_called_on_which_mock_object_with_which_parameters_and_in_what_sequences
     mock = FakeMock.new('mock')
     sequence_one = Sequence.new('one')
     sequence_two = Sequence.new('two')
     expectation = Expectation.new(mock, :expected_method).with(1, 2, {'a' => true}, {:b => false}, [1, 2, 3]).in_sequence(sequence_one, sequence_two)
     assert !expectation.verified?
     assert_match "mock.expected_method(1, 2, {'a' => true}, {:b => false}, [1, 2, 3]); in sequence 'one'; in sequence 'two'", expectation.mocha_inspect
   end
-  
+
   class FakeConstraint
-    
+
     def initialize(allows_invocation_now)
       @allows_invocation_now = allows_invocation_now
     end
-    
+
     def allows_invocation_now?
       @allows_invocation_now
     end
-    
+
   end
-  
+
   def test_should_be_in_correct_order_if_all_ordering_constraints_allow_invocation_now
     constraint_one = FakeConstraint.new(allows_invocation_now = true)
     constraint_two = FakeConstraint.new(allows_invocation_now = true)
     expectation = Expectation.new(nil, :method_one)
     expectation.add_ordering_constraint(constraint_one)
     expectation.add_ordering_constraint(constraint_two)
     assert expectation.in_correct_order?
   end
-  
+
   def test_should_not_be_in_correct_order_if_one_ordering_constraint_does_not_allow_invocation_now
     constraint_one = FakeConstraint.new(allows_invocation_now = true)
     constraint_two = FakeConstraint.new(allows_invocation_now = false)
     expectation = Expectation.new(nil, :method_one)
     expectation.add_ordering_constraint(constraint_one)
     expectation.add_ordering_constraint(constraint_two)
     assert !expectation.in_correct_order?
   end
-  
+
   def test_should_match_if_all_ordering_constraints_allow_invocation_now
     constraint_one = FakeConstraint.new(allows_invocation_now = true)
     constraint_two = FakeConstraint.new(allows_invocation_now = true)
     expectation = Expectation.new(nil, :method_one)
     expectation.add_ordering_constraint(constraint_one)
@@ -439,67 +439,67 @@
   def test_should_be_satisfied_when_minimum_number_of_invocations_has_been_made
     expectation = Expectation.new(nil, :method_one).at_least(2)
     2.times { expectation.invoke([]) }
     assert expectation.satisfied?
   end
-  
+
   class FakeSequence
-    
+
     attr_reader :expectations
-    
+
     def initialize
       @expectations = []
     end
-    
+
     def constrain_as_next_in_sequence(expectation)
       @expectations << expectation
     end
-    
+
   end
-  
+
   def test_should_tell_sequences_to_constrain_expectation_as_next_in_sequence
     sequence_one = FakeSequence.new
     sequence_two = FakeSequence.new
     expectation = Expectation.new(nil, :method_one)
     assert_equal expectation, expectation.in_sequence(sequence_one, sequence_two)
     assert_equal [expectation], sequence_one.expectations
     assert_equal [expectation], sequence_two.expectations
   end
-  
+
   class FakeState
-    
+
     def initialize
       @active = false
     end
-    
+
     def activate
       @active = true
     end
-    
+
     def active?
       @active
     end
-    
+
   end
-  
+
   def test_should_change_state_when_expectation_is_invoked
     state = FakeState.new
     expectation = Expectation.new(nil, :method_one)
 
     expectation.then(state)
 
     expectation.invoke([])
     assert state.active?
   end
-  
+
   def test_should_match_when_state_is_active
     state = FakeState.new
     expectation = Expectation.new(nil, :method_one)
 
     expectation.when(state)
     assert !expectation.match?(:method_one)
-    
+
     state.activate
     assert expectation.match?(:method_one)
   end
 
   def test_should_record_invocation
@@ -524,7 +524,7 @@
     expectation.invoke(1)
     assert_equal 1, expectation.invocation_count
     expectation.invocation_count = 3
     assert_equal 3, expectation.invocation_count
   end
-  
+
 end