shard-spectator/spec/matchers/start_with_matcher_spec.cr
2019-01-31 22:13:50 -07:00

298 lines
10 KiB
Crystal

require "../spec_helper"
describe Spectator::Matchers::StartWithMatcher do
describe "#match?" do
context "with a String" do
context "against a matching string" do
it "is true" do
value = "foobar"
start = "foo"
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.match?(partial).should be_true
end
context "not at start" do
it "is false" do
value = "foobar"
start = "bar"
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.match?(partial).should be_false
end
end
end
context "against a different string" do
it "is false" do
value = "foobar"
start = "baz"
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.match?(partial).should be_false
end
end
context "against a matching character" do
it "is true" do
value = "foobar"
start = 'f'
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.match?(partial).should be_true
end
context "not at start" do
it "is false" do
value = "foobar"
start = 'b'
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.match?(partial).should be_false
end
end
end
context "against a different character" do
it "is false" do
value = "foobar"
start = 'z'
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.match?(partial).should be_false
end
end
context "against a matching regex" do
it "is true" do
value = "FOOBAR"
start = /foo/i
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.match?(partial).should be_true
end
context "not at start" do
it "is false" do
value = "FOOBAR"
start = /bar/i
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.match?(partial).should be_false
end
end
end
context "against a non-matching regex" do
it "is false" do
value = "FOOBAR"
start = /baz/i
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.match?(partial).should be_false
end
end
end
context "with an Enumberable" do
context "against an equal value" do
it "is true" do
array = %i[a b c]
start = :a
partial = Spectator::Expectations::ValueExpectationPartial.new(array)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.match?(partial).should be_true
end
context "not at start" do
it "is false" do
array = %i[a b c]
start = :b
partial = Spectator::Expectations::ValueExpectationPartial.new(array)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.match?(partial).should be_false
end
end
end
context "against a different value" do
it "is false" do
array = %i[a b c]
start = :z
partial = Spectator::Expectations::ValueExpectationPartial.new(array)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.match?(partial).should be_false
end
end
context "against matching element type" do
it "is true" do
array = %i[a b c]
partial = Spectator::Expectations::ValueExpectationPartial.new(array)
matcher = Spectator::Matchers::StartWithMatcher.new(Symbol)
matcher.match?(partial).should be_true
end
context "not at start" do
it "is false" do
array = [1, 2, 3, :a, :b, :c]
partial = Spectator::Expectations::ValueExpectationPartial.new(array)
matcher = Spectator::Matchers::StartWithMatcher.new(Symbol)
matcher.match?(partial).should be_false
end
end
end
context "against different element type" do
it "is false" do
array = %i[a b c]
partial = Spectator::Expectations::ValueExpectationPartial.new(array)
matcher = Spectator::Matchers::StartWithMatcher.new(Int32)
matcher.match?(partial).should be_false
end
end
context "against a matching regex" do
it "is true" do
array = %w[FOO BAR BAZ]
start = /foo/i
partial = Spectator::Expectations::ValueExpectationPartial.new(array)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.match?(partial).should be_true
end
context "not at start" do
it "is false" do
array = %w[FOO BAR BAZ]
start = /bar/i
partial = Spectator::Expectations::ValueExpectationPartial.new(array)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.match?(partial).should be_false
end
end
end
context "against a non-matching regex" do
it "is false" do
array = %w[FOO BAR BAZ]
start = /qux/i
partial = Spectator::Expectations::ValueExpectationPartial.new(array)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.match?(partial).should be_false
end
end
end
end
describe "#message" do
context "with a String" do
it "mentions #starts_with?" do
value = "foobar"
start = "baz"
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.message(partial).should contain("#starts_with?")
end
end
context "with an Enumerable" do
it "mentions ===" do
array = %i[a b c]
partial = Spectator::Expectations::ValueExpectationPartial.new(array)
matcher = Spectator::Matchers::StartWithMatcher.new(array.first)
matcher.message(partial).should contain("===")
end
it "mentions first" do
array = %i[a b c]
partial = Spectator::Expectations::ValueExpectationPartial.new(array)
matcher = Spectator::Matchers::StartWithMatcher.new(array.first)
matcher.message(partial).should contain("first")
end
end
it "contains the actual label" do
value = "foobar"
start = "baz"
label = "everything"
partial = Spectator::Expectations::ValueExpectationPartial.new(label, value)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.message(partial).should contain(label)
end
it "contains the expected label" do
value = "foobar"
start = "baz"
label = "everything"
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::StartWithMatcher.new(label, start)
matcher.message(partial).should contain(label)
end
context "when expected label is omitted" do
it "contains stringified form of expected value" do
value = "foobar"
start = "baz"
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.message(partial).should contain(start)
end
end
end
describe "#negated_message" do
context "with a String" do
it "mentions #starts_with?" do
value = "foobar"
start = "baz"
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.negated_message(partial).should contain("#starts_with?")
end
end
context "with an Enumerable" do
it "mentions ===" do
array = %i[a b c]
partial = Spectator::Expectations::ValueExpectationPartial.new(array)
matcher = Spectator::Matchers::StartWithMatcher.new(array.first)
matcher.negated_message(partial).should contain("===")
end
it "mentions first" do
array = %i[a b c]
partial = Spectator::Expectations::ValueExpectationPartial.new(array)
matcher = Spectator::Matchers::StartWithMatcher.new(array.first)
matcher.negated_message(partial).should contain("first")
end
end
it "contains the actual label" do
value = "foobar"
start = "baz"
label = "everything"
partial = Spectator::Expectations::ValueExpectationPartial.new(label, value)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.negated_message(partial).should contain(label)
end
it "contains the expected label" do
value = "foobar"
start = "baz"
label = "everything"
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::StartWithMatcher.new(label, start)
matcher.negated_message(partial).should contain(label)
end
context "when expected label is omitted" do
it "contains stringified form of expected value" do
value = "foobar"
start = "baz"
partial = Spectator::Expectations::ValueExpectationPartial.new(value)
matcher = Spectator::Matchers::StartWithMatcher.new(start)
matcher.negated_message(partial).should contain(start)
end
end
end
end