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require "helper"
module Neovim
RSpec.describe Session do
let(:client) { Support.persistent_client }
let(:session) { client.session }
describe "#request" do
it "synchronously returns a result" do
expect(session.request(:nvim_strwidth, "foobar")).to be(6)
end
it "raises an exception when there are errors" do
expect do
session.request(:nvim_strwidth, "too", "many")
end.to raise_error(/wrong number of arguments/i)
end
it "fails outside of the main thread", :silence_thread_exceptions do
expect do
Thread.new { session.request(:nvim_strwidth, "foo") }.join
end.to raise_error(/outside of the main thread/)
end
end
describe "#notify" do
it "succeeds outside of the main thread" do
expect do
Thread.new { session.notify(:nvim_set_current_line, "foo") }.join
end.not_to raise_error
end
end
describe "#next" do
it "returns the next message from the event loop" do
cid, = session.request(:nvim_get_api_info)
session.request(:nvim_command, "call rpcnotify(#{cid}, 'my_event', 'foo')")
message = session.next
expect(message.sync?).to eq(false)
expect(message.method_name).to eq("my_event")
expect(message.arguments).to eq(["foo"])
end
it "returns asynchronous notification errors", nvim_version: ">= 0.4.pre.dev" do
session.notify(:nvim_set_current_line, "too", "many", "args")
message = session.next
expect(message.sync?).to eq(false)
expect(message.method_name).to eq("nvim_error_event")
expect(message.arguments).to eq([0, "Wrong number of arguments: expecting 1 but got 3"])
end
end
end
end
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