I've been trying out the *expect* syntax instead of the *should* syntax and
ran into some interesting problems. So you don't have to worry about
implementation details, I have a working example of the *should* syntax
test above the *expect* syntax test for comparison. The *should* syntax
tests pass and find all the matchers / helper methods. Conversely, the *
expect* syntax tests do not work or require all the comparison logic to be
inside the quotes. Any ideas what I'm doing wrong?
it "takes a properly formed coin set array as a string" do
CoinChanger.new("1,5,10,25,100").should be_valid
# This passes.
#expect { CoinChanger.new("1,5,10,25,100")}.to be_valid
# This does not pass. It throws an error that the "valid?" method
cannot be found.
#expect { CoinChanger.new("1,5,10,25,100").valid? }.to be_true
# This passes but does not use the matcher.
end
it "stores the coin set in descending order" do
CoinChanger.new([1,5,10,25,100]).coin_set.should eq([100,25,10,5,1])
# This passes.
#expect { CoinChanger.new([1,5,10,25,100]).coin_set == [100,25,10,5,1]
}.to be_true # This passes but does not use the matcher.
#expect { CoinChanger.new([1,5,10,25,100]).coin_set }.to
eq([100,25,10,5,1]) # This fails but should pass.
end
it "does not return the wrong amount of change" do
@changer.change(1).should_not eq [0,0,0,0,2]
# Test passes
expect { @changer.change(1) == [0,0,0,0,2] }.to be_false
# Test fails but should pass
expect { @changer.change(1) == [0,0,0,0,2] }.to be_true
# Test passes but should fail
end
Note: I have intentionally commented out the *expect* syntax examples above
since they are not working as expected... no pun intended :)
Thanks,
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