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require "cmd/cask"
describe Hbc::DSL::Appcast do
subject { described_class.new(url, params) }
let(:url) { "http://example.com" }
let(:uri) { Hbc::UnderscoreSupportingURI.parse(url) }
let(:params) { {} }
describe "#to_s" do
it "returns the parsed URI string" do
expect(subject.to_s).to eq("http://example.com")
end
end
describe "#to_yaml" do
let(:yaml) { [uri, params].to_yaml }
context "with empty parameters" do
it "returns an YAML serialized array composed of the URI and parameters" do
expect(subject.to_yaml).to eq(yaml)
end
end
context "with checkpoint in parameters" do
let(:params) { { checkpoint: "abc123" } }
it "returns an YAML serialized array composed of the URI and parameters" do
expect(subject.to_yaml).to eq(yaml)
end
end
end
describe "#calculate_checkpoint" do
before do
expect(Hbc::SystemCommand).to receive(:run).with(*cmd_args).and_return(cmd_result)
allow(cmd_result).to receive(:success?).and_return(cmd_success)
allow(cmd_result).to receive(:stdout).and_return(cmd_stdout)
end
context "when server returns a successful HTTP status" do
let(:cmd_args) { ["/usr/bin/curl", args: ["--compressed", "--location", "--user-agent", Hbc::URL::FAKE_USER_AGENT, "--fail", uri], print_stderr: false] }
let(:cmd_result) { double("Hbc::SystemCommand::Result") }
let(:cmd_success) { true }
let(:cmd_stdout) { "hello world" }
it "generates the content digest hash and returns a hash with the command result and the digest hash for the checkpoint" do
expected_digest = Digest::SHA2.hexdigest(cmd_stdout)
expected_result = {
checkpoint: expected_digest,
command_result: cmd_result,
}
expect(subject.calculate_checkpoint).to eq(expected_result)
end
end
context "when server returns a non-successful HTTP status" do
let(:cmd_args) { ["/usr/bin/curl", args: ["--compressed", "--location", "--user-agent", Hbc::URL::FAKE_USER_AGENT, "--fail", uri], print_stderr: false] }
let(:cmd_result) { double("Hbc::SystemCommand::Result") }
let(:cmd_success) { false }
let(:cmd_stdout) { "some error message from the server" }
it "returns a hash with the command result and nil for the checkpoint" do
expected_result = {
checkpoint: nil,
command_result: cmd_result,
}
expect(subject.calculate_checkpoint).to eq(expected_result)
end
end
end
end
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