49 lines
1.3 KiB
GDScript
49 lines
1.3 KiB
GDScript
extends SceneTree
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## Headless screenshot test — captures a viewport frame after the scene loads.
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## Run: godot --headless --script tests/screenshot_test.gd
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##
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## Outputs: tests/output/screenshot.png
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## Exit code 0 = success, 1 = failure.
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const OUTPUT_DIR := "res://tests/output"
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const SETTLE_TIME := 2.0 # seconds to let physics/animations settle
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func _init() -> void:
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_run.call_deferred()
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func _run() -> void:
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# Ensure output directory exists
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DirAccess.make_dir_recursive_absolute(OUTPUT_DIR)
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# Load and switch to the main scene
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var scene_res := load("res://scene.tscn")
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if scene_res == null:
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push_error("screenshot_test: Failed to load scene.tscn")
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quit(1)
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return
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var scene_instance: Node = scene_res.instantiate()
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root.add_child(scene_instance)
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# Wait for the scene to settle (physics, spawning, animations)
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await create_timer(SETTLE_TIME).timeout
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# Capture viewport
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var img: Image = root.get_viewport().get_texture().get_image()
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if img == null:
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push_error("screenshot_test: Failed to capture viewport image")
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quit(1)
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return
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var path := OUTPUT_DIR + "/screenshot.png"
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var err := img.save_png(path)
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if err != OK:
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push_error("screenshot_test: Failed to save PNG (error %d)" % err)
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quit(1)
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return
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print("screenshot_test: Saved %s (%dx%d)" % [path, img.get_width(), img.get_height()])
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quit(0)
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