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Size: 1.86 KB
Versions: 17
Compression:
Stored size: 1.86 KB
Contents
require 'test_helper'
class ProcTest < ActiveSupport::TestCase
def return_block(lambda = nil, &block)
return block || lambda
end
test "#source returns a proc's source" do
block = return_block { |f|
do_something
}
assert_equal "{ |f|\n do_something\n }", block.source
end
test "#source works with a do block" do
block = return_block do |f|
do_something
end
assert_equal "do |f|\n do_something\n end", block.source
end
test "#source works with a single line block" do
block = return_block { whatever }
assert_equal '{ whatever }', block.source
end
test "#source works with a block containing a block" do
block = return_block { whatever { another } }
assert_equal '{ whatever { another } }', block.source
end
test "#source works with a stabby lambda" do
block = return_block -> (something) { whatever }
assert_equal '-> (something) { whatever }', block.source
end
test "#source work with a stabby lambda spanning lines" do
block = return_block -> {
whatever { foo }
}
assert_equal "-> {\n whatever { foo }\n}", block.source
end
test "#source_body returns the body of a proc" do
block = return_block -> { whatever }
assert_equal 'whatever', block.source_body
end
test "#source_body handles funky bodies" do
block = return_block do
something(funky) &-> { whatever }
end
assert_equal 'something(funky) &-> { whatever }', block.source_body
end
test "#source body raises exception for arity > 0" do
block = return_block -> (foo) { whatever }
assert_raises(RuntimeError) do
block.source_body
end
end
test ".from_source stores source of a dynamicly built proc for later inspection" do
src = "-> { 'foo' }"
assert_equal src, Proc.from_source(src).source
assert_equal 'foo', Proc.from_source(src).call
end
end
Version data entries
17 entries across 17 versions & 2 rubygems