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378 lines
12 KiB
Crystal
378 lines
12 KiB
Crystal
require "../spec_helper"
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# This is a terrible hack,
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# but I don't want to expose `ValueMatcher#expected` publicly
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# just for this spec.
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module Spectator::Matchers
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struct ValueMatcher(ExpectedType)
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def expected_value
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expected
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end
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end
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end
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def be_comparison
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Spectator::Matchers::TruthyMatcher.new(true)
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end
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describe Spectator::Matchers::TruthyMatcher do
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describe "#match" do
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context "returned MatchData" do
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context "truthy" do
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describe "#matched?" do
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context "with a truthy value" do
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it "is true" do
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value = 42
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(true)
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match_data = matcher.match(partial)
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match_data.matched?.should be_true
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end
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end
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context "with false" do
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it "is false" do
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value = false
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(true)
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match_data = matcher.match(partial)
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match_data.matched?.should be_false
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end
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end
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context "with nil" do
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it "is false" do
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value = nil
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(true)
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match_data = matcher.match(partial)
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match_data.matched?.should be_false
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end
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end
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end
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describe "#values" do
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context "expected" do
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it "contains the definition of falsey" do
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value = 42
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(true)
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match_data = matcher.match(partial)
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match_data_value_sans_prefix(match_data.values, :expected)[:to_s].should match(/false or nil/i)
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end
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it "is prefixed with \"Not\"" do
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value = 42
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(true)
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match_data = matcher.match(partial)
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match_data_value_sans_prefix(match_data.values, :expected)[:to_s].should start_with(/not/i)
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end
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end
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context "actual" do
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it "is the actual value" do
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value = 42
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(true)
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match_data = matcher.match(partial)
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match_data_value_sans_prefix(match_data.values, :actual)[:value].should eq(value)
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end
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end
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context "truthy" do
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context "when the actual value is truthy" do
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it "is true" do
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value = 42
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(true)
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match_data = matcher.match(partial)
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match_data_value_sans_prefix(match_data.values, :truthy)[:value].should be_true
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end
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end
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context "when the actual value is false" do
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it "is false" do
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value = false
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(true)
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match_data = matcher.match(partial)
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match_data_value_sans_prefix(match_data.values, :truthy)[:value].should be_false
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end
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end
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context "when the actual value is nil" do
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it "is false" do
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value = nil
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(true)
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match_data = matcher.match(partial)
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match_data_value_sans_prefix(match_data.values, :truthy)[:value].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 "contains the actual label" do
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value = 42
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label = "everything"
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partial = new_partial(value, label)
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matcher = Spectator::Matchers::TruthyMatcher.new(true)
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match_data = matcher.match(partial)
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match_data.message.should contain(label)
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end
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it "contains the \"truthy\"" do
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value = 42
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label = "everything"
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(true)
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match_data = matcher.match(partial)
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match_data.message.should contain("truthy")
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end
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end
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describe "#negated_message" do
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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 = new_partial(value, label)
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matcher = Spectator::Matchers::TruthyMatcher.new(true)
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match_data = matcher.match(partial)
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match_data.negated_message.should contain(label)
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end
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it "contains the \"truthy\"" do
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value = 42
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label = "everything"
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(true)
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match_data = matcher.match(partial)
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match_data.negated_message.should contain("truthy")
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end
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end
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end
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context "falsey" do
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describe "#matched?" do
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context "with a truthy value" do
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it "is false" do
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value = 42
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(false)
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match_data = matcher.match(partial)
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match_data.matched?.should be_false
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end
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end
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context "with false" do
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it "is true" do
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value = false
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(false)
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match_data = matcher.match(partial)
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match_data.matched?.should be_true
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end
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end
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context "with nil" do
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it "is true" do
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value = nil
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(false)
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match_data = matcher.match(partial)
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match_data.matched?.should be_true
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end
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end
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end
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describe "#values" do
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context "expected" do
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it "contains the definition of falsey" do
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value = 42
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(false)
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match_data = matcher.match(partial)
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match_data_value_sans_prefix(match_data.values, :expected)[:to_s].should match(/false or nil/i)
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end
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it "is not prefixed with \"Not\"" do
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value = 42
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(false)
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match_data = matcher.match(partial)
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match_data_value_sans_prefix(match_data.values, :expected)[:to_s].should_not start_with(/not/i)
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end
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end
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context "actual" do
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it "is the actual value" do
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value = 42
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(false)
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match_data = matcher.match(partial)
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match_data_value_sans_prefix(match_data.values, :actual)[:value].should eq(value)
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end
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end
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context "truthy" do
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context "when the actual value is truthy" do
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it "is true" do
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value = 42
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(false)
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match_data = matcher.match(partial)
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match_data_value_sans_prefix(match_data.values, :truthy)[:value].should be_true
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end
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end
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context "when the actual value is false" do
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it "is false" do
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value = false
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(false)
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match_data = matcher.match(partial)
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match_data_value_sans_prefix(match_data.values, :truthy)[:value].should be_false
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end
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end
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context "when the actual value is nil" do
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it "is false" do
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value = nil
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(false)
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match_data = matcher.match(partial)
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match_data_value_sans_prefix(match_data.values, :truthy)[:value].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 "contains the actual label" do
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value = 42
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label = "everything"
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partial = new_partial(value, label)
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matcher = Spectator::Matchers::TruthyMatcher.new(false)
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match_data = matcher.match(partial)
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match_data.message.should contain(label)
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end
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it "contains the \"falsey\"" do
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value = 42
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label = "everything"
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(false)
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match_data = matcher.match(partial)
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match_data.message.should contain("falsey")
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end
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end
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describe "#negated_message" do
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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 = new_partial(value, label)
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matcher = Spectator::Matchers::TruthyMatcher.new(false)
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match_data = matcher.match(partial)
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match_data.negated_message.should contain(label)
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end
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it "contains the \"falsey\"" do
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value = 42
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label = "everything"
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partial = new_partial(value)
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matcher = Spectator::Matchers::TruthyMatcher.new(false)
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match_data = matcher.match(partial)
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match_data.negated_message.should contain("falsey")
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end
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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 "#<" do
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it "returns a LessThanMatcher" do
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value = 0
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matcher = be_comparison < value
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matcher.should be_a(Spectator::Matchers::LessThanMatcher(typeof(value)))
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end
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it "passes along the expected value" do
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value = 42
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matcher = be_comparison < value
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matcher.expected_value.should eq(value)
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end
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end
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describe "#<=" do
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it "returns a LessThanEqualMatcher" do
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value = 0
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matcher = be_comparison <= value
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matcher.should be_a(Spectator::Matchers::LessThanEqualMatcher(typeof(value)))
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end
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it "passes along the expected value" do
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value = 42
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matcher = be_comparison <= value
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matcher.expected_value.should eq(value)
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end
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end
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describe "#>" do
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it "returns a GreaterThanMatcher" do
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value = 0
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matcher = be_comparison > value
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matcher.should be_a(Spectator::Matchers::GreaterThanMatcher(typeof(value)))
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end
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it "passes along the expected value" do
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value = 42
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matcher = be_comparison > value
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matcher.expected_value.should eq(value)
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end
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end
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describe "#>=" do
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it "returns a GreaterThanEqualMatcher" do
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value = 0
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matcher = be_comparison >= value
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matcher.should be_a(Spectator::Matchers::GreaterThanEqualMatcher(typeof(value)))
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end
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it "passes along the expected value" do
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value = 42
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matcher = be_comparison >= value
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matcher.expected_value.should eq(value)
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end
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end
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describe "#==" do
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it "returns an EqualityMatcher" do
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value = 0
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matcher = be_comparison == value
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matcher.should be_a(Spectator::Matchers::EqualityMatcher(typeof(value)))
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end
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it "passes along the expected value" do
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value = 42
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matcher = be_comparison == value
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matcher.expected_value.should eq(value)
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end
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end
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describe "#!=" do
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it "returns an InequalityMatcher" do
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value = 0
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matcher = be_comparison != value
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matcher.should be_a(Spectator::Matchers::InequalityMatcher(typeof(value)))
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end
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it "passes along the expected value" do
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value = 42
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matcher = be_comparison != value
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matcher.expected_value.should eq(value)
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end
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end
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end
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