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require "helper"
module Neovim
RSpec.describe Client do
let(:client) { Support.persistent_client }
describe "#set_option" do
it "sets an option from two arguments" do
expect do
client.set_option("makeprg", "rake")
end.to change { client.evaluate("&makeprg") }.to("rake")
end
it "sets an option from a string" do
expect do
client.set_option("timeoutlen=0")
end.to change { client.evaluate("&timeoutlen") }.to(0)
end
it "sets a boolean option" do
expect do
client.set_option("expandtab")
end.to change { client.evaluate("&expandtab") }.to(1)
end
end
describe "#shutdown" do
it "causes nvim to exit" do
client = Neovim.attach_child(Support.child_argv)
client.shutdown
expect { client.strwidth("hi") }.to raise_error(Neovim::Session::Disconnected)
end
end
describe "#respond_to?" do
it "returns true for vim functions" do
expect(client).to respond_to(:strwidth)
end
it "returns true for Ruby functions" do
expect(client).to respond_to(:inspect)
end
it "returns false otherwise" do
expect(client).not_to respond_to(:foobar)
end
end
describe "#method_missing" do
it "enables nvim_* function calls" do
expect(client.strwidth("hi")).to eq(2)
end
it "raises exceptions for unknown methods" do
expect do
client.foobar
end.to raise_error(NoMethodError)
end
it "raises exceptions for incorrect usage" do
expect do
client.strwidth("too", "many")
end.to raise_error("Wrong number of arguments: expecting 1 but got 2")
end
end
describe "#methods" do
it "includes builtin methods" do
expect(client.methods).to include(:inspect)
end
it "includes api methods" do
expect(client.methods).to include(:strwidth)
end
end
describe "#current" do
it "returns the target" do
expect(client.current.buffer).to be_a(Buffer)
expect(client.current.window).to be_a(Window)
expect(client.current.tabpage).to be_a(Tabpage)
end
end
end
end
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