shard-spectator/spec/matchers/less_than_matcher_spec.cr
2019-03-22 13:05:24 -06:00

160 lines
5.3 KiB
Crystal

require "../spec_helper"
describe Spectator::Matchers::LessThanMatcher do
describe "#match" do
it "compares using #<" do
spy = SpySUT.new
partial = new_partial(spy)
matcher = Spectator::Matchers::LessThanMatcher.new(42)
matcher.match(partial)
spy.lt_call_count.should be > 0
end
context "returned MatchData" do
describe "#matched?" do
context "with a larger value" do
it "is true" do
actual = 42
expected = 777
partial = new_partial(actual)
matcher = Spectator::Matchers::LessThanMatcher.new(expected)
match_data = matcher.match(partial)
match_data.matched?.should be_true
end
end
context "with a smaller value" do
it "is false" do
actual = 777
expected = 42
partial = new_partial(actual)
matcher = Spectator::Matchers::LessThanMatcher.new(expected)
match_data = matcher.match(partial)
match_data.matched?.should be_false
end
end
context "with an equal value" do
it "is false" do
value = 42
partial = new_partial(value)
matcher = Spectator::Matchers::LessThanMatcher.new(value)
match_data = matcher.match(partial)
match_data.matched?.should be_false
end
end
end
describe "#values" do
context "expected" do
it "is the expected value" do
actual = 42
expected = 777
partial = new_partial(actual)
matcher = Spectator::Matchers::LessThanMatcher.new(expected)
match_data = matcher.match(partial)
match_data_value_sans_prefix(match_data.values, :expected)[:value].should eq(expected)
end
it "is prefixed with <" do
actual = 42
expected = 777
partial = new_partial(actual)
matcher = Spectator::Matchers::LessThanMatcher.new(expected)
match_data = matcher.match(partial)
match_data_value_sans_prefix(match_data.values, :expected)[:to_s].should start_with("<")
end
end
context "actual" do
it "is the actual value" do
actual = 42
expected = 777
partial = new_partial(actual)
matcher = Spectator::Matchers::LessThanMatcher.new(expected)
match_data = matcher.match(partial)
match_data_value_sans_prefix(match_data.values, :actual)[:value].should eq(actual)
end
end
end
describe "#message" do
it "mentions <" do
value = 42
partial = new_partial(value)
matcher = Spectator::Matchers::LessThanMatcher.new(value)
match_data = matcher.match(partial)
match_data.message.should contain("<")
end
it "contains the actual label" do
value = 42
label = "everything"
partial = new_partial(value, label)
matcher = Spectator::Matchers::LessThanMatcher.new(value)
match_data = matcher.match(partial)
match_data.message.should contain(label)
end
it "contains the expected label" do
value = 42
label = "everything"
partial = new_partial(value)
matcher = Spectator::Matchers::LessThanMatcher.new(value, label)
match_data = matcher.match(partial)
match_data.message.should contain(label)
end
context "when expected label is omitted" do
it "contains stringified form of expected value" do
value1 = 42
value2 = 777
partial = new_partial(value1)
matcher = Spectator::Matchers::LessThanMatcher.new(value2)
match_data = matcher.match(partial)
match_data.message.should contain(value2.to_s)
end
end
end
describe "#negated_message" do
it "mentions <" do
value = 42
partial = new_partial(value)
matcher = Spectator::Matchers::LessThanMatcher.new(value)
match_data = matcher.match(partial)
match_data.negated_message.should contain("<")
end
it "contains the actual label" do
value = 42
label = "everything"
partial = new_partial(value, label)
matcher = Spectator::Matchers::LessThanMatcher.new(value)
match_data = matcher.match(partial)
match_data.negated_message.should contain(label)
end
it "contains the expected label" do
value = 42
label = "everything"
partial = new_partial(value)
matcher = Spectator::Matchers::LessThanMatcher.new(value, label)
match_data = matcher.match(partial)
match_data.negated_message.should contain(label)
end
context "when expected label is omitted" do
it "contains stringified form of expected value" do
value1 = 42
value2 = 777
partial = new_partial(value1)
matcher = Spectator::Matchers::LessThanMatcher.new(value2)
match_data = matcher.match(partial)
match_data.negated_message.should contain(value2.to_s)
end
end
end
end
end
end