Chuck Remes wrote:
I am trying to process a message sent to a mock to verify it contains
the correct keys. In my case I am sending a JSON string to the mock
built from data passed in via the test. The object internally builds a
hash and then constructs the JSON string from it.
I can't get my mock to fail though. Here's an example similar to what
I've got.
describe Foo
it "should match the json string" do
# setup stubs & mocks
...
hsh = ... # keys and values used inside the method
@api.should_receive(:publish_to_bus) do |message|
false # should always fail
end
Foo.new(@api).decode hsh
end
end
The documentation says the expectation passes or fails based upon the
return value of the block. I can't even force it to fail by returning
false. Once I figure this out, I plan to decode the JSON string in the
mock block and compare the resulting collection with the data I
originally passed in to the object. This behavior will likely become a
helper method (if that matters).
The docs could wrong.. I dunno.... When using the block form I always
set expectation within the block. This may be the wrong way to use it,
but it works. Like so:
describe Foo
it "should match the json string" do
# setup stubs & mocks
...
hsh = ... # keys and values used inside the method
@api.should_receive(:publish_to_bus) do |message|
JSON.parse(message).should == hsh # or whatever you need to do
here.
end
Foo.new(@api).decode hsh
end
end
-Ben
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