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require "spec_helper"
describe "server unsubscribe" do
let(:engine) { double "engine" }
let(:server) { Faye::Server.new }
before do
Faye::Engine.stub(:get).and_return engine
end
describe :unsubscribe do
let(:client_id) { "fakeclientid" }
let(:message) { { "channel" => "/meta/unsubscribe",
"clientId" => "fakeclientid",
"subscription" => "/foo"
} }
describe "with valid parameters" do
before do
engine.should_receive(:client_exists).with(client_id).and_yield true
end
it "unsubscribes the client from the channel" do
engine.should_receive(:unsubscribe).with(client_id, "/foo")
server.unsubscribe(message) {}
end
it "returns a successful response" do
engine.stub(:unsubscribe)
server.unsubscribe(message) do |response|
response.should == {
"channel" => "/meta/unsubscribe",
"successful" => true,
"clientId" => client_id,
"subscription" => "/foo"
}
end
end
describe "with a list of subscriptions" do
before do
message["subscription"] = ["/foo", "/bar"]
end
it "destroys multiple subscriptions" do
engine.should_receive(:unsubscribe).with(client_id, "/foo")
engine.should_receive(:unsubscribe).with(client_id, "/bar")
server.unsubscribe(message) {}
end
it "returns a successful response" do
engine.stub(:unsubscribe)
server.unsubscribe(message) do |response|
response.should == {
"channel" => "/meta/unsubscribe",
"successful" => true,
"clientId" => client_id,
"subscription" => ["/foo", "/bar"]
}
end
end
end
describe "with a subscription pattern" do
before do
message["subscription"] = "/foo/**"
end
it "destroys the subscription to the channel pattern" do
engine.should_receive(:unsubscribe).with(client_id, "/foo/**")
server.unsubscribe(message) {}
end
it "returns a successful response" do
engine.stub(:unsubscribe)
server.unsubscribe(message) do |response|
response.should == {
"channel" => "/meta/unsubscribe",
"successful" => true,
"clientId" => client_id,
"subscription" => "/foo/**"
}
end
end
end
end
describe "with an unknown client" do
before do
engine.should_receive(:client_exists).with(client_id).and_yield false
end
it "does not unsubscribe the client from the channel" do
engine.should_not_receive(:unsubscribe)
server.unsubscribe(message) {}
end
it "returns an unsuccessful response" do
server.unsubscribe(message) do |response|
response.should == {
"channel" => "/meta/unsubscribe",
"successful" => false,
"error" => "401:fakeclientid:Unknown client",
"clientId" => client_id,
"subscription" => "/foo"
}
end
end
end
describe "missing clientId" do
before do
message.delete("clientId")
engine.should_receive(:client_exists).with(nil).and_yield false
end
it "does not unsubscribe the client from the channel" do
engine.should_not_receive(:unsubscribe)
server.unsubscribe(message) {}
end
it "returns an unsuccessful response" do
server.unsubscribe(message) do |response|
response.should == {
"channel" => "/meta/unsubscribe",
"successful" => false,
"error" => "402:clientId:Missing required parameter",
"subscription" => "/foo"
}
end
end
end
describe "missing subscription" do
before do
message.delete("subscription")
engine.should_receive(:client_exists).with(client_id).and_yield true
end
it "does not unsubscribe the client from the channel" do
engine.should_not_receive(:unsubscribe)
server.unsubscribe(message) {}
end
it "returns an unsuccessful response" do
server.unsubscribe(message) do |response|
response.should == {
"channel" => "/meta/unsubscribe",
"successful" => false,
"error" => "402:subscription:Missing required parameter",
"clientId" => client_id,
"subscription" => []
}
end
end
end
describe "with an invalid channel" do
before do
message["subscription"] = "foo"
engine.should_receive(:client_exists).with(client_id).and_yield true
end
it "does not unsubscribe the client from the channel" do
engine.should_not_receive(:unsubscribe)
server.unsubscribe(message) {}
end
it "returns an unsuccessful response" do
server.unsubscribe(message) do |response|
response.should == {
"channel" => "/meta/unsubscribe",
"successful" => false,
"error" => "405:foo:Invalid channel",
"clientId" => client_id,
"subscription" => "foo"
}
end
end
end
describe "with a /meta/* channel" do
before do
message["subscription"] = "/meta/foo"
engine.should_receive(:client_exists).with(client_id).and_yield true
end
it "does not unsubscribe the client from the channel" do
engine.should_not_receive(:unsubscribe)
server.unsubscribe(message) {}
end
it "returns an unsuccessful response" do
server.unsubscribe(message) do |response|
response.should == {
"channel" => "/meta/unsubscribe",
"successful" => false,
"error" => "403:/meta/foo:Forbidden channel",
"clientId" => client_id,
"subscription" => "/meta/foo"
}
end
end
it "unsubscribes local clients from the channel" do
engine.should_receive(:unsubscribe).with(client_id, "/meta/foo")
server.unsubscribe(message, true) {}
end
it "returns a successful response for local clients" do
engine.stub(:unsubscribe)
server.unsubscribe(message, true) do |response|
response.should == {
"channel" => "/meta/unsubscribe",
"successful" => true,
"clientId" => client_id,
"subscription" => "/meta/foo"
}
end
end
end
describe "with an error" do
before do
message["error"] = "invalid"
engine.should_receive(:client_exists).with(client_id).and_yield true
end
it "does not unsubscribe the client from the channel" do
engine.should_not_receive(:unsubscribe)
server.unsubscribe(message) {}
end
it "returns an unsuccessful response" do
server.unsubscribe(message) do |response|
response.should == {
"channel" => "/meta/unsubscribe",
"successful" => false,
"error" => "invalid",
"clientId" => client_id,
"subscription" => "/foo"
}
end
end
end
end
end
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