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Refactor be_a spec to a method #7254

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Refactor be_a spec to a method #7254

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7 changes: 5 additions & 2 deletions src/spec/expectations.cr
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Original file line number Diff line number Diff line change
Expand Up @@ -138,6 +138,9 @@ module Spec

# :nodoc:
struct BeAExpectation(T)
def initialize(t : T.class)
end

def match(actual_value)
actual_value.is_a?(T)
end
Expand Down Expand Up @@ -367,8 +370,8 @@ module Spec
end

# Creates an `Expectation` that passes if actual is of type *type* (`is_a?`).
macro be_a(type)
Spec::BeAExpectation({{type}}).new
def be_a(type)
Spec::BeAExpectation.new(type)
end

# Runs the block and passes if it raises an exception of type *klass* and the error message matches.
Expand Down