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106 lines
3.4 KiB
GDScript
106 lines
3.4 KiB
GDScript
# SPDX-FileCopyrightText: 2024 Leroy Hopson <godot-xterm@leroy.nix.nz>
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# SPDX-License-Identifier: MIT
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class_name VisualRegressionTest extends RenderingTest
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const Pixelmatch = preload("res://addons/pixelmatch/pixelmatch.gd")
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const MenuScene = preload("res://examples/menu/menu.tscn")
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const TERMINAL_SIZE = Vector2i(200, 100)
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const UPDATE = false # Set to true when you want to update baseline images.
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var matcher = Pixelmatch.new()
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func get_described_class():
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return Terminal
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func before_each():
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await super.before_each()
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subject.set_anchors_and_offsets_preset(Control.PRESET_TOP_LEFT)
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subject.call_deferred("set_size", TERMINAL_SIZE)
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await wait_for_signal(subject.size_changed, 5)
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func assert_match(reference: String):
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var image = get_viewport().get_texture().get_image()
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image.crop(TERMINAL_SIZE.x, TERMINAL_SIZE.y)
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var reference_path = "res://test/visual_regression/baseline/%s.png" % reference
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if UPDATE or not FileAccess.file_exists(reference_path):
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image.save_png(reference_path)
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var reference_image = Image.new()
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reference_image.load(reference_path)
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assert(reference_image, "Could not load reference image: " + reference)
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var diff_image = Image.create(TERMINAL_SIZE.x, TERMINAL_SIZE.y, false, Image.FORMAT_RGBA8)
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var diff = matcher.diff(image, reference_image, diff_image, TERMINAL_SIZE.x, TERMINAL_SIZE.y)
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if diff != 0:
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diff_image.save_png("res://test/visual_regression/screenshots/%s.diff.png" % reference)
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image.save_png("res://test/visual_regression/screenshots/%s.png" % reference)
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assert_eq(diff, 0, "Screenshot matches baseline image")
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class TestVisualRegression:
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extends VisualRegressionTest
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func test_empty():
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await wait_frames(30)
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assert_match("empty")
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func test_default_theme():
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# Print every background color.
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for i in range(8):
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subject.write("\u001b[4%dm " % i) # Regular.
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# Print every foreground color.
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# Print every font.
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for i in range(8):
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subject.write("\u001b[10%dm " % i) # Bright.
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# Print every foreground color.
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# Print every font.
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subject.write("\u001b[0m") # Reset.
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# Print every foreground color.
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for i in range(8):
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subject.write("\u001b[3%dm█" % i) # Regular.
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# Print every font.
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for i in range(8):
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subject.write("\u001b[9%dm█" % i) # Bright.
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# Print every font.
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subject.write("\u001b[0m") # Reset.
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# Print every font.
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subject.write("L\u001b[0m") # Regular.
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subject.write("\u001b[1mL\u001b[0m") # Bold.
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subject.write("\u001b[3mL\u001b[0m") # Italic.
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subject.write("\u001b[1m\u001b[3mL\u001b[0m") # Bold Italic.
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await wait_frames(30)
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assert_match("default_theme")
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func test_transparency():
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subject.add_theme_color_override("foreground_color", Color(0, 1, 0, 0.5))
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subject.add_theme_color_override("background_color", Color(1, 0, 0, 0.5))
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subject.write("bg red, 50% transparency\r\n")
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subject.write("fg green, 50% transparency")
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await wait_frames(30)
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assert_match("transparency")
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func test_emoji():
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subject.add_theme_font_override("normal_font", preload("res://themes/fonts/regular.tres"))
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subject.write("👇😑😩👿👅🥺🙄😧😫😢\r\n")
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subject.write("👾😠🥳😭👅😫🤩🙃👽😫\r\n")
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subject.write("😟🤏😛🤖🤗👻😳👐😤👀\r\n")
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subject.write("😆🤳🤫😊😜😻😏👿🥶👻\r\n")
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subject.write("👈🤮👉💩👃😍🤥😤🙏🤟")
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await wait_frames(30)
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assert_match("emoji")
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