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93 lines
2.8 KiB
Lua
93 lines
2.8 KiB
Lua
-- Test suite for testing interactions with API bindings
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local helpers = require('test.functional.helpers')(after_each)
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local command = helpers.command
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local meths = helpers.meths
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local clear = helpers.clear
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local eq = helpers.eq
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local origlines = {"original line 1",
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"original line 2",
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"original line 3",
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"original line 4",
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"original line 5",
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"original line 6"}
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describe('lua: buffer event callbacks', function()
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before_each(function()
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clear()
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meths.execute_lua([[
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local events = {}
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function test_register(bufnr, id, changedtick)
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local function callback(...)
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table.insert(events, {id, ...})
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if test_unreg == id then
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return true
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end
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end
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local opts = {on_lines=callback, on_detach=callback}
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if changedtick then
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opts.on_changedtick = callback
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end
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vim.api.nvim_buf_attach(bufnr, false, opts)
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end
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function get_events()
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local ret_events = events
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events = {}
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return ret_events
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end
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]], {})
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end)
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it('works', function()
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meths.buf_set_lines(0, 0, -1, true, origlines)
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meths.execute_lua("return test_register(...)", {0, "test1"})
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local tick = meths.buf_get_changedtick(0)
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command('normal! GyyggP')
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tick = tick + 1
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eq({{ "test1", "lines", 1, tick, 0, 0, 1 }},
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meths.execute_lua("return get_events(...)", {}))
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meths.buf_set_lines(0, 3, 5, true, {"changed line"})
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tick = tick + 1
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eq({{ "test1", "lines", 1, tick, 3, 5, 4 }},
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meths.execute_lua("return get_events(...)", {}))
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meths.execute_lua("return test_register(...)", {0, "test2", true})
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tick = tick + 1
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command('undo')
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-- plugins can opt in to receive changedtick events, or choose
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-- to only recieve actual changes.
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eq({{ "test1", "lines", 1, tick, 3, 4, 5 },
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{ "test2", "lines", 1, tick, 3, 4, 5 },
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{ "test2", "changedtick", 1, tick+1 } },
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meths.execute_lua("return get_events(...)", {}))
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tick = tick + 1
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-- simulate next callback returning true
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meths.execute_lua("test_unreg = 'test1'", {})
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meths.buf_set_lines(0, 6, 7, true, {"x1","x2","x3"})
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tick = tick + 1
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-- plugins can opt in to receive changedtick events, or choose
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-- to only recieve actual changes.
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eq({{ "test1", "lines", 1, tick, 6, 7, 9 },
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{ "test2", "lines", 1, tick, 6, 7, 9 }},
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meths.execute_lua("return get_events(...)", {}))
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meths.buf_set_lines(0, 1, 1, true, {"added"})
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tick = tick + 1
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eq({{ "test2", "lines", 1, tick, 1, 1, 2 }},
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meths.execute_lua("return get_events(...)", {}))
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command('bwipe!')
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eq({{ "test2", "detach", 1 }},
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meths.execute_lua("return get_events(...)", {}))
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end)
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end)
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