Add spec for have_key matcher

This commit is contained in:
Michael Miller 2019-02-05 19:26:46 -07:00
parent c6b4e22666
commit da9e653a89

View file

@ -0,0 +1,109 @@
require "../spec_helper"
describe Spectator::Matchers::HaveKeyMatcher do
describe "#match?" do
context "against a Hash" do
context "with an existing key" do
it "is true" do
hash = Hash{"foo" => "bar"}
key = "foo"
partial = Spectator::Expectations::ValueExpectationPartial.new(hash)
matcher = Spectator::Matchers::HaveKeyMatcher.new(key)
matcher.match?(partial).should be_true
end
end
context "with a non-existent key" do
it "is false" do
hash = Hash{"foo" => "bar"}
key = "baz"
partial = Spectator::Expectations::ValueExpectationPartial.new(hash)
matcher = Spectator::Matchers::HaveKeyMatcher.new(key)
matcher.match?(partial).should be_false
end
end
end
context "against a NamedTuple" do
context "with an existing key" do
it "is true" do
tuple = {foo: "bar"}
key = :foo
partial = Spectator::Expectations::ValueExpectationPartial.new(tuple)
matcher = Spectator::Matchers::HaveKeyMatcher.new(key)
matcher.match?(partial).should be_true
end
end
context "with a non-existent key" do
it "is false" do
tuple = {foo: "bar"}
key = :baz
partial = Spectator::Expectations::ValueExpectationPartial.new(tuple)
matcher = Spectator::Matchers::HaveKeyMatcher.new(key)
matcher.match?(partial).should be_false
end
end
end
end
describe "#message" do
it "contains the actual label" do
tuple = {foo: "bar"}
key = :foo
label = "blah"
partial = Spectator::Expectations::ValueExpectationPartial.new(label, tuple)
matcher = Spectator::Matchers::HaveKeyMatcher.new(key)
matcher.message(partial).should contain(label)
end
it "contains the expected label" do
tuple = {foo: "bar"}
key = :foo
label = "blah"
partial = Spectator::Expectations::ValueExpectationPartial.new(tuple)
matcher = Spectator::Matchers::HaveKeyMatcher.new(label, key)
matcher.message(partial).should contain(label)
end
context "when the expected label is omitted" do
it "contains the stringified key" do
tuple = {foo: "bar"}
key = :foo
partial = Spectator::Expectations::ValueExpectationPartial.new(tuple)
matcher = Spectator::Matchers::HaveKeyMatcher.new(key)
matcher.message(partial).should contain(key.to_s)
end
end
end
describe "#negated_message" do
it "contains the actual label" do
tuple = {foo: "bar"}
key = :foo
label = "blah"
partial = Spectator::Expectations::ValueExpectationPartial.new(label, tuple)
matcher = Spectator::Matchers::HaveKeyMatcher.new(key)
matcher.negated_message(partial).should contain(label)
end
it "contains the expected label" do
tuple = {foo: "bar"}
key = :foo
label = "blah"
partial = Spectator::Expectations::ValueExpectationPartial.new(tuple)
matcher = Spectator::Matchers::HaveKeyMatcher.new(label, key)
matcher.negated_message(partial).should contain(label)
end
context "when the expected label is omitted" do
it "contains the stringified key" do
tuple = {foo: "bar"}
key = :foo
partial = Spectator::Expectations::ValueExpectationPartial.new(tuple)
matcher = Spectator::Matchers::HaveKeyMatcher.new(key)
matcher.negated_message(partial).should contain(key.to_s)
end
end
end
end