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Improve message from refute on failure #69

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12 changes: 10 additions & 2 deletions lib/quickdraw/test.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -49,8 +49,16 @@ def assert(value)
nil
end

def refute(value, ...)
assert(!value, ...)
def refute(value)
if !value
success!
elsif block_given?
failure! { yield(value) }
else
failure! { "expected #{value.inspect} to be falsy" }
end

nil
end

# Indicate that an assertion passed successfully.
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14 changes: 14 additions & 0 deletions test/quickdraw.test.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -15,3 +15,17 @@
test "refute", skip: true do
refute true
end

test "refute custom message" do
runner = assert_test(failures: 1) do
refute(32) { |val| "#{val} not falsy" }
end
assert_equal runner.failures.last["message"], "32 not falsy"
end

test "refute default message" do
runner = assert_test(failures: 1) do
refute 32
end
assert_equal runner.failures.last["message"], "expected 32 to be falsy"
end
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