shard-spectator/spec/matchers/less_than_matcher_spec.cr
2019-01-23 21:03:44 -07:00

112 lines
3.7 KiB
Crystal

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