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# frozen_string_literal: true
RSpec.describe Slack::Messenger do
let(:mock_http) do
class_double("Slack::Messenger::Util::HTTPClient", post: :posted)
end
subject { described_class.new "http://example.com", http_client: mock_http }
describe "#initialize" do
it "sets the given hook_url to the endpoint URI" do
expect(subject.endpoint).to eq URI.parse("http://example.com")
end
it "sets the default_payload options" do
subject = described_class.new "http://example.com", channel: "foo"
expect(subject.config.defaults[:channel]).to eq "foo"
end
it "sets a custom http client" do
subject = described_class.new "http://example.com", http_client: mock_http
expect(subject.config.http_client).to eq mock_http
end
describe "when given a block" do
it "yields the config object" do
test_double = double("Slack::Messenger::Config", defaults: {}, middleware: [])
allow_any_instance_of(Slack::Messenger).to receive(:config).and_return(test_double)
expect(test_double).to receive(:test_init_method).with("foo")
described_class.new "http://example.com" do
test_init_method "foo"
end
end
end
end
describe "#ping" do
it "calls #post with the message as the text key in #post" do
subject = described_class.new "http://example.com"
expect(subject).to receive(:post).with({ text: "message" })
subject.ping "message"
end
end
describe "#post" do
def messenger_with_defaults
mock_client = mock_http
described_class.new "http://example.com" do
defaults channel: "default",
user: "rocket"
http_client mock_client
end
end
it "uses the defaults set on initialization" do
subject = messenger_with_defaults
expect(mock_http).to receive(:post).with(
URI.parse("http://example.com"),
{ payload: '{"channel":"default","user":"rocket","text":"hello"}' }
)
subject.post text: "hello"
end
it "allows overriding the set defaults" do
subject = messenger_with_defaults
expect(mock_http).to receive(:post).with(
URI.parse("http://example.com"),
{ payload: '{"channel":"new","user":"ship","text":"hello"}' }
)
subject.post text: "hello", channel: "new", user: "ship"
end
it "calls the middleware stack with the payload" do
subject = messenger_with_defaults
stack = instance_double("Slack::Messenger::PayloadMiddleware::Stack")
subject.instance_variable_set(:@middleware, stack)
expect(stack).to receive(:call)
.with({ channel: "default", user: "rocket" })
.and_return([test: "stack"])
expect(mock_http).to receive(:post).with(
URI.parse("http://example.com"),
{ payload: '{"test":"stack"}' }
)
responses = subject.post
expect(responses).to eq([:posted])
end
end
end
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