awesome/tests/test-screenshot.lua

472 lines
12 KiB
Lua

-- This test suite tests the various screenshot related APIs.
--
-- Credit: https://www.reddit.com/r/awesomewm/comments/i6nf7z/need_help_writing_a_color_picker_widget_using_lgi/
local awful = require("awful")
local wibox = require("wibox")
local spawn = require("awful.spawn")
local gsurface = require("gears.surface")
local lgi = require('lgi')
local cairo = lgi.cairo
local gdk = lgi.require('Gdk', '3.0')
local capi = {
root = _G.root
}
-- Dummy blue client for the client.content test
-- the lua_executable portion may need to get ironed out. I need to specify 5.3
local lua_executable = os.getenv("LUA")
if lua_executable == nil or lua_executable == "" then
lua_executable = "lua5.3"
end
local client_dim = 250
local tiny_client_code_template = [[
local lgi = require('lgi')
local Gdk = lgi.require('Gdk', '3.0')
local Gtk = lgi.require('Gtk', '3.0')
local class = 'client'
window = Gtk.Window {default_width=%d, default_height=%d, title='title'}
window:set_wmclass(class, class)
window:override_background_color(0,
Gdk.RGBA({red = 0, green = 0, blue = 1, alpha = 1}))
window:show_all()
Gtk:main{...}
]]
local tiny_client = { lua_executable, "-e", string.format(
tiny_client_code_template, client_dim, client_dim)}
-- We need a directory to configure the screenshot library to use even through
-- we never actually write a file.
local fake_screenshot_dir = "/tmp"
-- Split in the screen into 2 distict screens.
screen[1]:split()
-- Add a green wibox on screen 1 at (100, 100)
wibox {
bg = "#00ff00",
visible = true,
width = 100,
height = 100,
x = 100,
y = 100,
}
local corners = {}
-- Add red squares at 1 pixel away from each screen corners.
for s in screen do
-- Top left
table.insert(corners, {
x = s.geometry.x + 1,
y = s.geometry.y + 1,
})
-- Top right
table.insert(corners, {
x = s.geometry.x + s.geometry.width - 11,
y = s.geometry.y + 1,
})
-- Bottom left
table.insert(corners, {
x = s.geometry.x + 1,
y = s.geometry.y + s.geometry.height - 11,
})
-- Bottom right
table.insert(corners, {
x = s.geometry.x + s.geometry.width - 11,
y = s.geometry.y + s.geometry.height - 11,
})
end
-- Make 10x10 wibox in each corner to eliminate any geometry errors
for _, corner in ipairs(corners) do
corner.bg = "#ff0000"
corner.visible = true
corner.width = 10
corner.height = 10
wibox(corner)
end
local function copy_to_image_surface(content, w, h)
local sur = gsurface(content)
local img = cairo.ImageSurface(cairo.Format.RGB24, w, h)
local cr = cairo.Context(img)
cr:set_source_surface(sur)
cr:paint()
img:flush()
return img
end
local function get_pixel(img, x, y)
local bytes = gdk.pixbuf_get_from_surface(img, x, y, 1, 1):get_pixels()
return "#" .. bytes:gsub('.', function(c) return ('%02x'):format(c:byte()) end)
end
local snipper_success = nil
local function snipper_cb(ss)
local img = ss.surface
if img and get_pixel(img, 10, 10) == "#00ff00" then
snipper_success = "true"
return
else
snipper_success = "false"
end
end
local steps = {}
-- Check the whole root window with root.content()
table.insert(steps, function()
local root_width, root_height = root.size()
local img = copy_to_image_surface(capi.root.content(), root_width,
root_height)
if get_pixel(img, 100, 100) ~= "#00ff00" then return end
if get_pixel(img, 2, 2) ~= "#ff0000" then return end
assert(get_pixel(img, 100, 100) == "#00ff00")
assert(get_pixel(img, 199, 199) == "#00ff00")
assert(get_pixel(img, 201, 201) ~= "#00ff00")
assert(get_pixel(img, 2, 2) == "#ff0000")
assert(get_pixel(img, root_width - 2, 2) == "#ff0000")
assert(get_pixel(img, 2, root_height - 2) == "#ff0000")
assert(get_pixel(img, root_width - 2, root_height - 2) == "#ff0000")
return true
end)
-- Check screen.content
table.insert(steps, function()
for s in screen do
local geo = s.geometry
local img = copy_to_image_surface(s.content, geo.width, geo.height)
assert(get_pixel(img, 4, 4) == "#ff0000")
assert(get_pixel(img, geo.width - 4, 4) == "#ff0000")
assert(get_pixel(img, 4, geo.height - 4) == "#ff0000")
assert(get_pixel(img, geo.width - 4, geo.height - 4) == "#ff0000")
--[[
assert(get_pixel(img, geo.x + 4, geo.y + 4) == "#ff0000")
assert(get_pixel(img, geo.x + geo.width - 4, geo.y + 4) == "#ff0000")
assert(get_pixel(img, geo.x + 4, geo.y + geo.height - 4) == "#ff0000")
assert(get_pixel(img, geo.x + geo.width - 4, geo.y + geo.height - 4) == "#ff0000")
--]]
end
-- Spawn for the client.content test
assert(#client.get() == 0)
spawn(tiny_client)
return true
end)
-- Check client.content
table.insert(steps, function()
if #client.get() ~= 1 then return end
local c = client.get()[1]
local geo = c:geometry()
local img = copy_to_image_surface(c.content, geo.width, geo.height)
if get_pixel(img, math.floor(geo.width / 2), math.floor(geo.height / 2)) ~= "#0000ff" then
return
end
-- Make sure the process finishes. Just `c:kill()` only
-- closes the window. Adding some handlers to the GTK "app"
-- created some unwanted side effects in the CI.
awesome.kill(c.pid, 9)
return true
end)
table.insert(steps, function()
--Make sure client from last test is gone
if #client.get() ~= 0 then return end
awful.screenshot.set_defaults({})
awful.screenshot.set_defaults({directory = "/dev/null", prefix = "Screenshot-", frame_color = "#000000"})
awful.screenshot.set_defaults({directory = "~/"})
awful.screenshot.set_defaults({directory = fake_screenshot_dir})
local ss = awful.screenshot.root()
local name_prfx = string.gsub(fake_screenshot_dir, "/*$", "/") .. "Screenshot-"
local f, l = string.find(ss.filepath, name_prfx)
if f ~= 1 then
print("Failed first if: " .. ss.filepath .. " : " .. name_prfx)
return false
end
name_prfx = string.gsub(fake_screenshot_dir, "/*$", "/") .. "MyShot.png"
ss.filepath = name_prfx
if ss.filepath ~= name_prfx then
print("Failed second if: " .. ss.filepath .. " : " .. name_prfx)
return false
end
return true
end)
--Check the root window with awful.screenshot.root() method
table.insert(steps, function()
local root_width, root_height = root.size()
local ss = awful.screenshot.root()
local img = ss.surface
if get_pixel(img, 100, 100) ~= "#00ff00" then return end
if get_pixel(img, 2, 2) ~= "#ff0000" then return end
assert(get_pixel(img, 100, 100) == "#00ff00")
assert(get_pixel(img, 199, 199) == "#00ff00")
assert(get_pixel(img, 201, 201) ~= "#00ff00")
assert(get_pixel(img, 2, 2) == "#ff0000")
assert(get_pixel(img, root_width - 2, 2) == "#ff0000")
assert(get_pixel(img, 2, root_height - 2) == "#ff0000")
assert(get_pixel(img, root_width - 2, root_height - 2) == "#ff0000")
return true
end)
-- Check the awful.screenshot.screen() method
table.insert(steps, function()
for s in screen do
local geo = s.geometry
local ss = awful.screenshot.screen({screen = s})
local img = ss.surface
assert(get_pixel(img, 4, 4) == "#ff0000")
assert(get_pixel(img, geo.width - 4, 4) == "#ff0000")
assert(get_pixel(img, 4, geo.height - 4) == "#ff0000")
assert(get_pixel(img, geo.width - 4, geo.height - 4) == "#ff0000")
end
-- Spawn for the client.content test
assert(#client.get() == 0)
spawn(tiny_client)
return true
end)
-- Check the awful.screenshot.client() method
table.insert(steps, function()
if #client.get() ~= 1 then return end
local c = client.get()[1]
local geo = c:geometry()
local ss = awful.screenshot.client({client = c})
local img = ss.surface
if get_pixel(img, math.floor(geo.width / 2), math.floor(geo.height / 2)) ~= "#0000ff" then
return
end
-- Make sure the process finishes. Just `c:kill()` only
-- closes the window. Adding some handlers to the GTK "app"
-- created some unwanted side effects in the CI.
awesome.kill(c.pid, 9)
return true
end)
--Check the snipper toop with awful.screenshot.snipper() method
table.insert(steps, function()
--Make sure client from last test is gone
if #client.get() ~= 0 then return end
--Ensure mousegrabber is satisfied
root.fake_input("button_press",1)
return true
end)
table.insert(steps, function()
root.fake_input("button_release",1)
return true
end)
table.insert(steps, function()
--Ensure prior mouse presses go through
local t0 = os.time()
while os.time() - t0 < 1 do end
return true
end)
table.insert(steps, function()
awful.screenshot.snipper({on_success_cb = snipper_cb})
return true
end)
table.insert(steps, function()
mouse.coords {x = 110, y = 110}
return true
end)
table.insert(steps, function()
root.fake_input("button_press",1)
return true
end)
table.insert(steps, function()
root.fake_input("button_release",1)
return true
end)
table.insert(steps, function()
mouse.coords {x = 190, y = 190}
return true
end)
table.insert(steps, function()
--Ensure prior mouse presses and movements go through
local t0 = os.time()
while os.time() - t0 < 1 do end
return true
end)
table.insert(steps, function()
root.fake_input("button_press",1)
return true
end)
table.insert(steps, function()
root.fake_input("button_release",1)
return true
end)
table.insert(steps, function()
--Ensure prior mouse presses go through and callback runs
local t0 = os.time()
while os.time() - t0 < 1 do end
return true
end)
table.insert(steps, function()
--Check for success
if snipper_success then
if snipper_success == "true" then
return true
else
return false
end
else
return
end
return true
end)
--Check the snipper collapse and cancel
table.insert(steps, function()
--Make sure client from last test is gone
if #client.get() ~= 0 then return end
--Ensure mousegrabber is satisfied
root.fake_input("button_press",1)
return true
end)
table.insert(steps, function()
root.fake_input("button_release",1)
return true
end)
table.insert(steps, function()
--Ensure prior mouse presses go through
local t0 = os.time()
while os.time() - t0 < 1 do end
return true
end)
table.insert(steps, function()
awful.screenshot.snipper({on_success_cb = snipper_cb})
return true
end)
table.insert(steps, function()
mouse.coords {x = 110, y = 110}
return true
end)
table.insert(steps, function()
root.fake_input("button_press",1)
return true
end)
table.insert(steps, function()
root.fake_input("button_release",1)
return true
end)
table.insert(steps, function()
mouse.coords {x = 150, y = 150}
return true
end)
table.insert(steps, function()
--Ensure prior mouse presses and movements go through
local t0 = os.time()
while os.time() - t0 < 1 do end
return true
end)
table.insert(steps, function()
--Cause a rectangle collapse
mouse.coords {x = 150, y = 110}
return true
end)
table.insert(steps, function()
--Ensure prior mouse presses and movements go through
local t0 = os.time()
while os.time() - t0 < 1 do end
return true
end)
table.insert(steps, function()
--Cancel snipper tool
root.fake_input("button_press",3)
return true
end)
table.insert(steps, function()
root.fake_input("button_release",3)
return true
end)
table.insert(steps, function()
--Ensure prior mouse presses go through and callback runs
local t0 = os.time()
while os.time() - t0 < 1 do end
return true
end)
table.insert(steps, function()
local ss = awful.screenshot.snip({geometry = {x = 100, y = 100, width = 100, height = 100}})
local img = ss.surface
if get_pixel(img, 10, 10) == "#00ff00" then
return true
else
return false
end
end)
require("_runner").run_steps(steps)