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Add RSpec include/contain matcher spec

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Michael Miller 2020-01-06 22:51:47 -07:00
parent 6ad861365c
commit b433511201
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spec/rspec/expectations/contain_matcher_spec.cr Normal file
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require "../../spec_helper"
# In Ruby, this is the `include` matcher.
# However, `include` is a reserved keyword in Crystal.
# So instead, it is `contain` in Spectator.
Spectator.describe "`contain` matcher" do
context "array usage" do
describe [1, 3, 7] do
it { is_expected.to contain(1) }
it { is_expected.to contain(3) }
it { is_expected.to contain(7) }
it { is_expected.to contain(1, 7) }
it { is_expected.to contain(1, 3, 7) }
# Utility matcher method `a_kind_of` is not supported.
# it { is_expected.to contain(a_kind_of(Int)) }
# TODO: Compound matchers aren't supported.
# it { is_expected.to contain(be_odd.and be < 10) }
# TODO: Fix behavior and cleanup output.
# This syntax is allowed, but produces a wrong result and bad output.
xit { is_expected.to contain(be_odd) }
xit { is_expected.not_to contain(be_even) }
it { is_expected.not_to contain(17) }
it { is_expected.not_to contain(43, 100) }
# deliberate failures
# TODO: Add support for expected failures.
xit { is_expected.to contain(4) }
xit { is_expected.to contain(be_even) }
xit { is_expected.not_to contain(1) }
xit { is_expected.not_to contain(3) }
xit { is_expected.not_to contain(7) }
xit { is_expected.not_to contain(1, 3, 7) }
# both of these should fail since it contains 1 but not 9
xit { is_expected.to contain(1, 9) }
xit { is_expected.not_to contain(1, 9) }
end
end
context "string usage" do
describe "a string" do
it { is_expected.to contain("str") }
it { is_expected.to contain("a", "str", "ng") }
it { is_expected.not_to contain("foo") }
it { is_expected.not_to contain("foo", "bar") }
# deliberate failures
# TODO: Add support for expected failures.
xit { is_expected.to contain("foo") }
xit { is_expected.not_to contain("str") }
xit { is_expected.to contain("str", "foo") }
xit { is_expected.not_to contain("str", "foo") }
end
end
context "hash usage" do
# A hash can't be described inline here for some reason.
# So it is placed in the subject instead.
describe ":a => 7, :b => 5" do
subject { {:a => 7, :b => 5} }
# Hash syntax is changed here from `:a => 7` to `a: 7`.
xit { is_expected.to contain(:a) }
xit { is_expected.to contain(:b, :a) }
# TODO: This hash-like syntax isn't supported.
# it { is_expected.to contain(a: 7) }
# it { is_expected.to contain(b: 5, a: 7) }
xit { is_expected.not_to contain(:c) }
xit { is_expected.not_to contain(:c, :d) }
# it { is_expected.not_to contain(d: 2) }
# it { is_expected.not_to contain(a: 5) }
# it { is_expected.not_to contain(b: 7, a: 5) }
# deliberate failures
# TODO: Add support for expected failures.
xit { is_expected.not_to contain(:a) }
xit { is_expected.not_to contain(:b, :a) }
# it { is_expected.not_to contain(a: 7) }
# it { is_expected.not_to contain(a: 7, b: 5) }
xit { is_expected.to contain(:c) }
xit { is_expected.to contain(:c, :d) }
# it { is_expected.to contain(d: 2) }
# it { is_expected.to contain(a: 5) }
# it { is_expected.to contain(a: 5, b: 7) }
# Mixed cases--the hash contains one but not the other.
# All 4 of these cases should fail.
xit { is_expected.to contain(:a, :d) }
xit { is_expected.not_to contain(:a, :d) }
# it { is_expected.to contain(a: 7, d: 3) }
# it { is_expected.not_to contain(a: 7, d: 3) }
end
end
end