Add specs for value expectation

Fix bug in expectation result actual message.
This commit is contained in:
Michael Miller 2018-10-18 17:54:43 -06:00
parent bc66016c42
commit 9a77f8b7fd
2 changed files with 153 additions and 1 deletions

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@ -0,0 +1,152 @@
require "../spec_helper"
describe Spectator::Expectations::ValueExpectation do
describe "#eval" do
context "with a successful match" do
it "returns a successful result" do
value = 42
partial = Spectator::Expectations::ValueExpectationPartial.new(value.to_s, value)
matcher = Spectator::Matchers::EqualityMatcher.new(value.to_s, value)
expectation = Spectator::Expectations::ValueExpectation.new(partial, matcher)
matcher.match?(partial).should be_true # Sanity check.
expectation.eval.successful?.should be_true
end
it "reports a successful actual message" do
value = 42
partial = Spectator::Expectations::ValueExpectationPartial.new(value.to_s, value)
matcher = Spectator::Matchers::EqualityMatcher.new(value.to_s, value)
expectation = Spectator::Expectations::ValueExpectation.new(partial, matcher)
matcher.match?(partial).should be_true # Sanity check.
expectation.eval.actual_message.should eq(expectation.message)
end
end
context "with an unsuccessful match" do
it "returns an unsuccessful result" do
value1 = 42
value2 = 777
partial = Spectator::Expectations::ValueExpectationPartial.new(value1.to_s, value1)
matcher = Spectator::Matchers::EqualityMatcher.new(value2.to_s, value2)
expectation = Spectator::Expectations::ValueExpectation.new(partial, matcher)
matcher.match?(partial).should be_false # Sanity check.
expectation.eval.successful?.should be_false
end
it "reports an unsuccessful actual message" do
value1 = 42
value2 = 777
partial = Spectator::Expectations::ValueExpectationPartial.new(value1.to_s, value1)
matcher = Spectator::Matchers::EqualityMatcher.new(value2.to_s, value2)
expectation = Spectator::Expectations::ValueExpectation.new(partial, matcher)
matcher.match?(partial).should be_false # Sanity check.
expectation.eval.actual_message.should eq(expectation.negated_message)
end
end
it "reports a non-negated expected message" do
value = 42
partial = Spectator::Expectations::ValueExpectationPartial.new(value.to_s, value)
matcher = Spectator::Matchers::EqualityMatcher.new(value.to_s, value)
expectation = Spectator::Expectations::ValueExpectation.new(partial, matcher)
expectation.eval.expected_message.should eq(expectation.message)
end
context "negated" do
context "with a successful match" do
it "returns an unsuccessful result" do
value = 42
partial = Spectator::Expectations::ValueExpectationPartial.new(value.to_s, value)
matcher = Spectator::Matchers::EqualityMatcher.new(value.to_s, value)
expectation = Spectator::Expectations::ValueExpectation.new(partial, matcher)
matcher.match?(partial).should be_true # Sanity check.
expectation.eval(true).successful?.should be_false
end
it "reports an unsuccessful actual message" do
value = 42
partial = Spectator::Expectations::ValueExpectationPartial.new(value.to_s, value)
matcher = Spectator::Matchers::EqualityMatcher.new(value.to_s, value)
expectation = Spectator::Expectations::ValueExpectation.new(partial, matcher)
matcher.match?(partial).should be_true # Sanity check.
expectation.eval(true).actual_message.should eq(expectation.negated_message)
end
end
context "with an unsuccessful match" do
it "returns a successful result" do
value1 = 42
value2 = 777
partial = Spectator::Expectations::ValueExpectationPartial.new(value1.to_s, value1)
matcher = Spectator::Matchers::EqualityMatcher.new(value2.to_s, value2)
expectation = Spectator::Expectations::ValueExpectation.new(partial, matcher)
matcher.match?(partial).should be_false # Sanity check.
expectation.eval(true).successful?.should be_true
end
it "reports a successful actual message" do
value1 = 42
value2 = 777
partial = Spectator::Expectations::ValueExpectationPartial.new(value1.to_s, value1)
matcher = Spectator::Matchers::EqualityMatcher.new(value2.to_s, value2)
expectation = Spectator::Expectations::ValueExpectation.new(partial, matcher)
matcher.match?(partial).should be_false # Sanity check.
expectation.eval(true).actual_message.should eq(expectation.message)
end
end
it "reports a negated expected message" do
value = 42
partial = Spectator::Expectations::ValueExpectationPartial.new(value.to_s, value)
matcher = Spectator::Matchers::EqualityMatcher.new(value.to_s, value)
expectation = Spectator::Expectations::ValueExpectation.new(partial, matcher)
expectation.eval(true).expected_message.should eq(expectation.negated_message)
end
end
end
describe "#satisifed?" do
context "with a successful match" do
it "is true" do
value = 42
partial = Spectator::Expectations::ValueExpectationPartial.new(value.to_s, value)
matcher = Spectator::Matchers::EqualityMatcher.new(value.to_s, value)
expectation = Spectator::Expectations::ValueExpectation.new(partial, matcher)
matcher.match?(partial).should be_true # Sanity check.
expectation.satisfied?.should be_true
end
end
context "with an unsuccessful match" do
it "is false" do
value1 = 42
value2 = 777
partial = Spectator::Expectations::ValueExpectationPartial.new(value1.to_s, value1)
matcher = Spectator::Matchers::EqualityMatcher.new(value2.to_s, value2)
expectation = Spectator::Expectations::ValueExpectation.new(partial, matcher)
matcher.match?(partial).should be_false # Sanity check.
expectation.satisfied?.should be_false
end
end
end
describe "#message" do
it "equals the matcher's #message" do
value = 42
partial = Spectator::Expectations::ValueExpectationPartial.new(value.to_s, value)
matcher = Spectator::Matchers::EqualityMatcher.new(value.to_s, value)
expectation = Spectator::Expectations::ValueExpectation.new(partial, matcher)
expectation.message.should eq(matcher.message(partial))
end
end
describe "#negated_message" do
it "equals the matcher's #negated_message" do
value = 42
partial = Spectator::Expectations::ValueExpectationPartial.new(value.to_s, value)
matcher = Spectator::Matchers::EqualityMatcher.new(value.to_s, value)
expectation = Spectator::Expectations::ValueExpectation.new(partial, matcher)
expectation.negated_message.should eq(matcher.negated_message(partial))
end
end
end

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@ -43,7 +43,7 @@ module Spectator::Expectations
# Description of what actually happened when the expectation was evaluated. # Description of what actually happened when the expectation was evaluated.
def actual_message def actual_message
message(@successful) message(!@successful)
end end
# Retrieves the message or negated message from an expectation. # Retrieves the message or negated message from an expectation.