require 'spec_helper' require 'mspec/expectations/expectations' require 'mspec/matchers' RSpec.describe IncludeMatcher do it "matches when actual includes expected" do expect(IncludeMatcher.new(2).matches?([1,2,3])).to eq(true) expect(IncludeMatcher.new("b").matches?("abc")).to eq(true) end it "does not match when actual does not include expected" do expect(IncludeMatcher.new(4).matches?([1,2,3])).to eq(false) expect(IncludeMatcher.new("d").matches?("abc")).to eq(false) end it "matches when actual includes all expected" do expect(IncludeMatcher.new(3, 2, 1).matches?([1,2,3])).to eq(true) expect(IncludeMatcher.new("a", "b", "c").matches?("abc")).to eq(true) end it "does not match when actual does not include all expected" do expect(IncludeMatcher.new(3, 2, 4).matches?([1,2,3])).to eq(false) expect(IncludeMatcher.new("a", "b", "c", "d").matches?("abc")).to eq(false) end it "provides a useful failure message" do matcher = IncludeMatcher.new(5, 2) matcher.matches?([1,2,3]) expect(matcher.failure_message).to eq(["Expected [1, 2, 3]", "to include 5"]) end it "provides a useful negative failure message" do matcher = IncludeMatcher.new(1, 2, 3) matcher.matches?([1,2,3]) expect(matcher.negative_failure_message).to eq(["Expected [1, 2, 3]", "not to include 3"]) end end