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require "resource"
describe Resource do
subject { described_class.new("test") }
describe "#url" do
it "sets the URL" do
subject.url("foo")
expect(subject.url).to eq("foo")
end
it "can set the URL with specifications" do
subject.url("foo", branch: "master")
expect(subject.url).to eq("foo")
expect(subject.specs).to eq(branch: "master")
end
it "can set the URL with a custom download strategy class" do
strategy = Class.new(AbstractDownloadStrategy)
subject.url("foo", using: strategy)
expect(subject.url).to eq("foo")
expect(subject.download_strategy).to eq(strategy)
end
it "can set the URL with specifications and a custom download strategy class" do
strategy = Class.new(AbstractDownloadStrategy)
subject.url("foo", using: strategy, branch: "master")
expect(subject.url).to eq("foo")
expect(subject.specs).to eq(branch: "master")
expect(subject.download_strategy).to eq(strategy)
end
it "can set the URL with a custom download strategy symbol" do
subject.url("foo", using: :git)
expect(subject.url).to eq("foo")
expect(subject.download_strategy).to eq(GitDownloadStrategy)
end
it "raises an error if the download strategy class is unkown" do
expect { subject.url("foo", using: Class.new) }.to raise_error(TypeError)
end
it "does not mutate the specifications hash" do
specs = { using: :git, branch: "master" }
subject.url("foo", specs)
expect(subject.specs).to eq(branch: "master")
expect(subject.using).to eq(:git)
expect(specs).to eq(using: :git, branch: "master")
end
end
describe "#version" do
it "sets the version" do
subject.version("1.0")
expect(subject.version).to eq(Version.parse("1.0"))
expect(subject.version).not_to be_detected_from_url
end
it "can detect the version from a URL" do
subject.url("http://example.com/foo-1.0.tar.gz")
expect(subject.version).to eq(Version.parse("1.0"))
expect(subject.version).to be_detected_from_url
end
it "can set the version with a scheme" do
klass = Class.new(Version)
subject.version klass.new("1.0")
expect(subject.version).to eq(Version.parse("1.0"))
expect(subject.version).to be_a(klass)
end
it "can set the version from a tag" do
subject.url("http://example.com/foo-1.0.tar.gz", tag: "v1.0.2")
expect(subject.version).to eq(Version.parse("1.0.2"))
expect(subject.version).to be_detected_from_url
end
it "rejects non-string versions" do
expect { subject.version(1) }.to raise_error(TypeError)
expect { subject.version(2.0) }.to raise_error(TypeError)
expect { subject.version(Object.new) }.to raise_error(TypeError)
end
it "returns nil if unset" do
expect(subject.version).to be nil
end
end
describe "#mirrors" do
it "is empty by defaults" do
expect(subject.mirrors).to be_empty
end
it "returns an array of mirrors added with #mirror" do
subject.mirror("foo")
subject.mirror("bar")
expect(subject.mirrors).to eq(%w[foo bar])
end
end
describe "#checksum" do
it "returns nil if unset" do
expect(subject.checksum).to be nil
end
it "returns the checksum set with #sha256" do
subject.sha256(TEST_SHA256)
expect(subject.checksum).to eq(Checksum.new(:sha256, TEST_SHA256))
end
end
describe "#download_strategy" do
it "returns the download strategy" do
strategy = Object.new
expect(DownloadStrategyDetector)
.to receive(:detect).with("foo", nil).and_return(strategy)
subject.url("foo")
expect(subject.download_strategy).to eq(strategy)
end
end
specify "#verify_download_integrity_missing" do
fn = Pathname.new("test")
allow(fn).to receive(:file?).and_return(true)
expect(fn).to receive(:verify_checksum).and_raise(ChecksumMissingError)
expect(fn).to receive(:sha256)
shutup do
subject.verify_download_integrity(fn)
end
end
specify "#verify_download_integrity_mismatch" do
fn = double(file?: true)
checksum = subject.sha256(TEST_SHA256)
expect(fn).to receive(:verify_checksum).with(checksum)
.and_raise(ChecksumMismatchError.new(fn, checksum, Object.new))
shutup do
expect {
subject.verify_download_integrity(fn)
}.to raise_error(ChecksumMismatchError)
end
end
end
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