135 lines
4.5 KiB
Crystal
135 lines
4.5 KiB
Crystal
require "../spec_helper"
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describe Spectator::Matchers::EqualityMatcher do
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describe "#match?" do
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it "compares using #==" do
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spy = SpySUT.new
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partial = Spectator::Expectations::ValueExpectationPartial.new(spy)
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matcher = Spectator::Matchers::EqualityMatcher.new(42)
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matcher.match?(partial).should be_true
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spy.eq_call_count.should be > 0
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end
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context "with identical values" do
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it "is true" do
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value = 42
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partial = Spectator::Expectations::ValueExpectationPartial.new(value)
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matcher = Spectator::Matchers::EqualityMatcher.new(value)
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matcher.match?(partial).should be_true
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end
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end
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context "with different values" do
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it "is false" do
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value1 = 42
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value2 = 777
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partial = Spectator::Expectations::ValueExpectationPartial.new(value1)
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matcher = Spectator::Matchers::EqualityMatcher.new(value2)
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matcher.match?(partial).should be_false
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end
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end
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context "with the same instance" do
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it "is true" do
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# Box is used because it is a reference type and doesn't override the == method.
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ref = Box.new([] of Int32)
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partial = Spectator::Expectations::ValueExpectationPartial.new(ref)
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matcher = Spectator::Matchers::EqualityMatcher.new(ref)
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matcher.match?(partial).should be_true
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end
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end
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context "with different instances" do
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context "with same contents" do
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it "is true" do
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array1 = [1, 2, 3]
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array2 = [1, 2, 3]
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partial = Spectator::Expectations::ValueExpectationPartial.new(array1)
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matcher = Spectator::Matchers::EqualityMatcher.new(array2)
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matcher.match?(partial).should be_true
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end
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end
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context "with different contents" do
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it "is false" do
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array1 = [1, 2, 3]
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array2 = [4, 5, 6]
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partial = Spectator::Expectations::ValueExpectationPartial.new(array1)
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matcher = Spectator::Matchers::EqualityMatcher.new(array2)
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matcher.match?(partial).should be_false
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end
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end
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end
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end
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describe "#message" do
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it "mentions ==" do
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value = 42
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partial = Spectator::Expectations::ValueExpectationPartial.new(value)
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matcher = Spectator::Matchers::EqualityMatcher.new(value)
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matcher.message(partial).should contain("==")
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end
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it "contains the actual label" do
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value = 42
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label = "everything"
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partial = Spectator::Expectations::ValueExpectationPartial.new(label, value)
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matcher = Spectator::Matchers::EqualityMatcher.new(value)
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matcher.message(partial).should contain(label)
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end
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it "contains the expected label" do
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value = 42
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label = "everything"
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partial = Spectator::Expectations::ValueExpectationPartial.new(value)
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matcher = Spectator::Matchers::EqualityMatcher.new(label, value)
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matcher.message(partial).should contain(label)
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end
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context "when expected label is omitted" do
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it "contains stringified form of expected value" do
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value1 = 42
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value2 = 777
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partial = Spectator::Expectations::ValueExpectationPartial.new(value1)
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matcher = Spectator::Matchers::EqualityMatcher.new(value2)
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matcher.message(partial).should contain(value2.to_s)
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end
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end
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end
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describe "#negated_message" do
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it "mentions ==" do
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value = 42
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partial = Spectator::Expectations::ValueExpectationPartial.new(value)
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matcher = Spectator::Matchers::EqualityMatcher.new(value)
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matcher.negated_message(partial).should contain("==")
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end
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it "contains the actual label" do
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value = 42
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label = "everything"
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partial = Spectator::Expectations::ValueExpectationPartial.new(label, value)
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matcher = Spectator::Matchers::EqualityMatcher.new(value)
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matcher.negated_message(partial).should contain(label)
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end
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it "contains the expected label" do
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value = 42
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label = "everything"
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partial = Spectator::Expectations::ValueExpectationPartial.new(value)
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matcher = Spectator::Matchers::EqualityMatcher.new(label, value)
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matcher.negated_message(partial).should contain(label)
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end
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context "when expected label is omitted" do
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it "contains stringified form of expected value" do
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value1 = 42
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value2 = 777
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partial = Spectator::Expectations::ValueExpectationPartial.new(value1)
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matcher = Spectator::Matchers::EqualityMatcher.new(value2)
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matcher.negated_message(partial).should contain(value2.to_s)
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end
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end
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end
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end
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