shard-spectator/spec/matchers/exception_matcher_spec.cr
Michael Miller e7e1d0e084 Change how values are passed to helper
Working around a segfault (dunno why this fixes it).
2019-03-22 11:53:20 -06:00

205 lines
8.1 KiB
Crystal

require "../spec_helper"
describe Spectator::Matchers::ExceptionMatcher do
describe "#match" do
it "compares the message using #===" do
spy = SpySUT.new
partial = new_block_partial { raise "foobar" }
matcher = Spectator::Matchers::ExceptionMatcher(Exception, SpySUT).new(spy, "foo")
matcher.match(partial)
spy.case_eq_call_count.should be > 0
end
context "returned MatchData" do
describe "#matched?" do
context "with no exception" do
it "is false" do
partial = new_block_partial { 42 }
matcher = Spectator::Matchers::ExceptionMatcher(Exception, Nil).new
match_data = matcher.match(partial)
match_data.matched?.should be_false
end
end
context "with an exception" do
context "of the same type" do
it "is true" do
partial = new_block_partial { raise ArgumentError.new }
matcher = Spectator::Matchers::ExceptionMatcher(ArgumentError, Nil).new
match_data = matcher.match(partial)
match_data.matched?.should be_true
end
end
context "of a different type" do
it "is false" do
partial = new_block_partial { raise ArgumentError.new }
matcher = Spectator::Matchers::ExceptionMatcher(KeyError, Nil).new
match_data = matcher.match(partial)
match_data.matched?.should be_false
end
end
context "of a sub-type" do
it "is true" do
partial = new_block_partial { raise ArgumentError.new }
matcher = Spectator::Matchers::ExceptionMatcher(Exception, Nil).new
match_data = matcher.match(partial)
match_data.matched?.should be_true
end
end
context "and an equal message" do
it "is true" do
message = "foobar"
partial = new_block_partial { raise ArgumentError.new(message) }
matcher = Spectator::Matchers::ExceptionMatcher(ArgumentError, String).new(message, "label")
match_data = matcher.match(partial)
match_data.matched?.should be_true
end
end
context "and a different message" do
it "is false" do
partial = new_block_partial { raise ArgumentError.new("foobar") }
matcher = Spectator::Matchers::ExceptionMatcher(ArgumentError, String).new("different", "label")
match_data = matcher.match(partial)
match_data.matched?.should be_false
end
end
context "and a matching regex" do
it "is true" do
partial = new_block_partial { raise ArgumentError.new("foobar") }
matcher = Spectator::Matchers::ExceptionMatcher(ArgumentError, Regex).new(/foo/, "label")
match_data = matcher.match(partial)
match_data.matched?.should be_true
end
end
context "and a non-matching regex" do
it "is false" do
partial = new_block_partial { raise ArgumentError.new("foobar") }
matcher = Spectator::Matchers::ExceptionMatcher(ArgumentError, Regex).new(/baz/, "label")
match_data = matcher.match(partial)
match_data.matched?.should be_false
end
end
end
end
describe "#values" do
describe "expected type" do
it "is the exception type" do
partial = new_block_partial { raise ArgumentError.new }
matcher = Spectator::Matchers::ExceptionMatcher(KeyError, Nil).new
match_data = matcher.match(partial)
match_data_value_sans_prefix(match_data.values, :"expected type")[:value].should eq(KeyError)
end
end
describe "actual type" do
it "is the raised type" do
partial = new_block_partial { raise ArgumentError.new }
matcher = Spectator::Matchers::ExceptionMatcher(KeyError, Nil).new
match_data = matcher.match(partial)
match_data_value_sans_prefix(match_data.values, :"actual type")[:value].should eq(ArgumentError)
end
context "when nothing is raised" do
it "is Nil" do
partial = new_block_partial { 42 }
matcher = Spectator::Matchers::ExceptionMatcher(KeyError, Nil).new
match_data = matcher.match(partial)
match_data_value_sans_prefix(match_data.values, :"actual type")[:value].should eq(Nil)
end
end
end
describe "expected message" do
it "is the expected value" do
regex = /baz/
partial = new_block_partial { raise ArgumentError.new("foobar") }
matcher = Spectator::Matchers::ExceptionMatcher(KeyError, Regex).new(regex, "label")
match_data = matcher.match(partial)
match_data_value_sans_prefix(match_data.values, :"expected message")[:value].should eq(regex)
end
end
describe "actual message" do
it "is the raised exception's message" do
message = "foobar"
partial = new_block_partial { raise ArgumentError.new(message) }
matcher = Spectator::Matchers::ExceptionMatcher(KeyError, Regex).new(/baz/, "label")
match_data = matcher.match(partial)
match_data_value_sans_prefix(match_data.values, :"actual message")[:value].should eq(message)
end
end
end
describe "#message" do
it "mentions raise" do
partial = new_block_partial { raise "foobar" }
matcher = Spectator::Matchers::ExceptionMatcher(Exception, Nil).new
match_data = matcher.match(partial)
match_data.message.should contain("raise")
end
it "contains the actual label" do
label = "everything"
partial = new_block_partial(label) { raise "foobar" }
matcher = Spectator::Matchers::ExceptionMatcher(Exception, Nil).new
match_data = matcher.match(partial)
match_data.message.should contain(label)
end
it "contains the expected label" do
label = "everything"
partial = new_block_partial { raise "foobar" }
matcher = Spectator::Matchers::ExceptionMatcher(Exception, Regex).new(/foobar/, label)
match_data = matcher.match(partial)
match_data.message.should contain(label)
end
it "contains the exception type" do
partial = new_block_partial { raise "foobar" }
matcher = Spectator::Matchers::ExceptionMatcher(ArgumentError, Nil).new
match_data = matcher.match(partial)
match_data.message.should contain("ArgumentError")
end
end
describe "#negated_message" do
it "mentions raise" do
partial = new_block_partial { raise "foobar" }
matcher = Spectator::Matchers::ExceptionMatcher(Exception, Nil).new
match_data = matcher.match(partial)
match_data.negated_message.should contain("raise")
end
it "contains the actual label" do
label = "everything"
partial = new_block_partial(label) { raise "foobar" }
matcher = Spectator::Matchers::ExceptionMatcher(Exception, Nil).new
match_data = matcher.match(partial)
match_data.negated_message.should contain(label)
end
it "contains the expected label" do
label = "everything"
partial = new_block_partial { raise "foobar" }
matcher = Spectator::Matchers::ExceptionMatcher(Exception, Regex).new(/foobar/, label)
match_data = matcher.match(partial)
match_data.negated_message.should contain(label)
end
it "contains the exception type" do
partial = new_block_partial { raise "foobar" }
matcher = Spectator::Matchers::ExceptionMatcher(ArgumentError, Nil).new
match_data = matcher.match(partial)
match_data.negated_message.should contain("ArgumentError")
end
end
end
end
end