ruby - How to expect some (but not all) arguments with RSpec should_receive? - 


class foo   def bar(a, b)   ...  foo.should_receive( :bar )

expects bar called arguments.

foo.should_receive( :bar ).with( :baz, :qux )

expects :baz , :qux passed in params.

how expect first param equal :baz, , not care other params?

use anything matcher:

foo.should_receive(:bar).with(:baz, anything)

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