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Store calls to mocks and doubles

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Michael Miller 2022-06-28 22:54:08 -06:00
parent c98edcec5d
commit 3589f23475
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9 changed files with 158 additions and 1 deletions
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49
spec/spectator/mocks/mock_spec.cr
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@ -5,6 +5,11 @@ Spectator.describe Spectator::Mock do
let(stub2) { Spectator::ValueStub.new(:method2, :override) }
let(stub3) { Spectator::ValueStub.new(:method3, "stubbed") }
# Retrieves symbolic names of methods called on a mock.
def called_method_names(mock)
mock._spectator_calls.map(&.method)
end
describe "#define_subtype" do
context "with a concrete class" do
class Thing
@ -74,6 +79,17 @@ Spectator.describe Spectator::Mock do
expect { mock.method3 }.to raise_error(Spectator::UnexpectedMessage, /mock_name/), "Raised error doesn't contain the mocked name."
end
it "records invoked stubs" do
expect { mock.method2 }.to change { called_method_names(mock) }.from(%i[]).to(%i[method2])
expect { mock.method1 }.to change { called_method_names(mock) }.from(%i[method2]).to(%i[method2 method1])
expect { mock.method3 }.to change { called_method_names(mock) }.from(%i[method2 method1]).to(%i[method2 method1 method3])
end
it "records multiple invocations of the same stub" do
mock.method2
expect { mock.method2 }.to change { called_method_names(mock) }.from(%i[method2]).to(%i[method2 method2])
end
def restricted(thing : Thing)
thing.method1
end
@ -158,6 +174,17 @@ Spectator.describe Spectator::Mock do
expect { mock.method3 }.to raise_error(Spectator::UnexpectedMessage, /mock_name/), "Raised error doesn't contain the mocked name."
end
it "records invoked stubs" do
expect { mock.method2 }.to change { called_method_names(mock) }.from(%i[]).to(%i[method2])
expect { mock.method1 }.to change { called_method_names(mock) }.from(%i[method2]).to(%i[method2 method1])
expect { mock.method3 }.to change { called_method_names(mock) }.from(%i[method2 method1]).to(%i[method2 method1 method3])
end
it "records multiple invocations of the same stub" do
mock.method2
expect { mock.method2 }.to change { called_method_names(mock) }.from(%i[method2]).to(%i[method2 method2])
end
def restricted(thing : Thing)
thing.method1
end
@ -343,6 +370,17 @@ Spectator.describe Spectator::Mock do
expect { mock.method3 }.to raise_error(Spectator::UnexpectedMessage, /mock_name/), "Raised error doesn't contain the mocked name."
end
it "records invoked stubs" do
expect { mock.method2 }.to change { called_method_names(mock) }.from(%i[]).to(%i[method2])
expect { mock.method1 }.to change { called_method_names(mock) }.from(%i[method2]).to(%i[method2 method1])
expect { mock.method3 }.to change { called_method_names(mock) }.from(%i[method2 method1]).to(%i[method2 method1 method3])
end
it "records multiple invocations of the same stub" do
mock.method2
expect { mock.method2 }.to change { called_method_names(mock) }.from(%i[method2]).to(%i[method2 method2])
end
def restricted(thing : MockedClass)
thing.method1
end
@ -429,6 +467,17 @@ Spectator.describe Spectator::Mock do
expect { mock.method3 }.to raise_error(Spectator::UnexpectedMessage, /mock_name/), "Raised error doesn't contain the mocked name."
end
it "records invoked stubs" do
expect { mock.method2 }.to change { called_method_names(mock) }.from(%i[]).to(%i[method2])
expect { mock.method1 }.to change { called_method_names(mock) }.from(%i[method2]).to(%i[method2 method1])
expect { mock.method3 }.to change { called_method_names(mock) }.from(%i[method2 method1]).to(%i[method2 method1 method3])
end
it "records multiple invocations of the same stub" do
mock.method2
expect { mock.method2 }.to change { called_method_names(mock) }.from(%i[method2]).to(%i[method2 method2])
end
def restricted(thing : MockedStruct)
thing.method1
end