controller_test.lua
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controller_test.lua
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	local vim_mock = require "ivy.vim_mock"
	local window = require "ivy.window"
	local controller = require "ivy.controller"

	-- The number of the mock buffer where all the test completions gets put
	local buffer_number = 10

	before_each(function()
	vim_mock.reset()
	window.initialize()
	end)

	after_each(function()
	controller.destroy()
	end)

	it("will run", function(t)
	controller.run("Testing", function()
	return { { content = "Some content" } }
	end, function()
	return {}
	end)

	local lines = vim_mock.get_lines()
	local completion_lines = lines[buffer_number]

	t.assert_equal(#completion_lines, 1)
	t.assert_equal(completion_lines[1], "Some content")
	end)

	it("will not try and highlight the buffer if there is nothing to highlight", function(t)
	controller.items = function()
	return { { content = "Hello" } }
	end

	controller.update ""
	local commands = vim_mock.get_commands()
	t.assert_equal(#commands, 1)
	end)

	it("will escape a - when passing it to be highlighted", function(t)
	controller.items = function()
	return { { content = "Hello" } }
	end

	controller.update "some-file"
	local commands = vim_mock.get_commands()
	local syntax_command = commands[2]

	t.assert_equal("syntax match IvyMatch '[some\\-file]'", syntax_command)
	end)