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require "extend/ENV"
require "requirement"
describe Requirement do
alias_matcher :be_a_build_requirement, :be_a_build
subject { klass.new }
let(:klass) { Class.new(described_class) }
describe "#tags" do
subject { described_class.new(tags) }
context "single tag" do
let(:tags) { ["bar"] }
its(:tags) { are_expected.to eq(tags) }
end
context "multiple tags" do
let(:tags) { ["bar", "baz"] }
its(:tags) { are_expected.to eq(tags) }
end
context "symbol tags" do
let(:tags) { [:build] }
its(:tags) { are_expected.to eq(tags) }
end
context "symbol and string tags" do
let(:tags) { [:build, "bar"] }
its(:tags) { are_expected.to eq(tags) }
end
end
describe "#fatal?" do
context "#fatal true is specified" do
let(:klass) do
Class.new(described_class) do
fatal true
end
end
it { is_expected.to be_fatal }
end
context "#fatal is omitted" do
it { is_expected.not_to be_fatal }
end
end
describe "#satisfied?" do
context "#satisfy with block and build_env returns true" do
let(:klass) do
Class.new(described_class) do
satisfy(build_env: false) do
true
end
end
end
it { is_expected.to be_satisfied }
end
context "#satisfy with block and build_env returns false" do
let(:klass) do
Class.new(described_class) do
satisfy(build_env: false) do
false
end
end
end
it { is_expected.not_to be_satisfied }
end
context "#satisfy returns true" do
let(:klass) do
Class.new(described_class) do
satisfy true
end
end
it { is_expected.to be_satisfied }
end
context "#satisfy returns false" do
let(:klass) do
Class.new(described_class) do
satisfy false
end
end
it { is_expected.not_to be_satisfied }
end
context "#satisfy with block returning true and without :build_env" do
let(:klass) do
Class.new(described_class) do
satisfy do
true
end
end
end
it "sets up build environment" do
expect(ENV).to receive(:with_build_environment).and_call_original
subject.satisfied?
end
end
context "#satisfy with block returning true and :build_env set to false" do
let(:klass) do
Class.new(described_class) do
satisfy(build_env: false) do
true
end
end
end
it "skips setting up build environment" do
expect(ENV).not_to receive(:with_build_environment)
subject.satisfied?
end
end
context "#satisfy with block returning path and without :build_env" do
let(:klass) do
Class.new(described_class) do
satisfy do
Pathname.new("/foo/bar/baz")
end
end
end
it "infers path from #satisfy result" do
expect(ENV).to receive(:prepend_path).with("PATH", Pathname.new("/foo/bar"))
subject.satisfied?
subject.modify_build_environment
end
end
end
describe "#build?" do
context ":build tag is specified" do
subject { described_class.new([:build]) }
it { is_expected.to be_a_build_requirement }
end
context "#build omitted" do
it { is_expected.not_to be_a_build_requirement }
end
end
describe "#name and #option_names" do
let(:const) { :FooRequirement }
let(:klass) { self.class.const_get(const) }
before(:each) do
self.class.const_set(const, Class.new(described_class))
end
after(:each) do
self.class.send(:remove_const, const)
end
its(:name) { is_expected.to eq("foo") }
its(:option_names) { are_expected.to eq(["foo"]) }
end
describe "#modify_build_environment" do
context "without env proc" do
let(:klass) { Class.new(described_class) }
it "returns nil" do
expect(subject.modify_build_environment).to be nil
end
end
end
describe "#eql? and #==" do
subject { described_class.new }
it "returns true if the names and tags are equal" do
other = described_class.new
expect(subject).to eql(other)
expect(subject).to eq(other)
end
it "returns false if names differ" do
other = described_class.new
allow(other).to receive(:name).and_return("foo")
expect(subject).not_to eql(other)
expect(subject).not_to eq(other)
end
it "returns false if tags differ" do
other = described_class.new([:optional])
expect(subject).not_to eql(other)
expect(subject).not_to eq(other)
end
end
describe "#hash" do
subject { described_class.new }
it "is equal if names and tags are equal" do
other = described_class.new
expect(subject.hash).to eq(other.hash)
end
it "differs if names differ" do
other = described_class.new
allow(other).to receive(:name).and_return("foo")
expect(subject.hash).not_to eq(other.hash)
end
it "differs if tags differ" do
other = described_class.new([:optional])
expect(subject.hash).not_to eq(other.hash)
end
end
end
|
