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47 lines
1.3 KiB
GDScript
47 lines
1.3 KiB
GDScript
## A class representing a globally unique identifier for GdUnit test elements.
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## Uses random values to generate unique identifiers that can be used
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## to track and reference test cases and suites across the test framework.
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class_name GdUnitGUID
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extends RefCounted
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## The internal string representation of the GUID.
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## Generated using Godot's ResourceUID system when no existing GUID is provided.
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var _guid: String
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## Creates a new GUID instance.
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## If no GUID is provided, generates a new one using Godot's ResourceUID system.
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func _init(from_guid: String = "") -> void:
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if from_guid.is_empty():
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_guid = _generate_guid()
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else:
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_guid = from_guid
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## Compares this GUID with another for equality.
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## Returns true if both GUIDs represent the same unique identifier.
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func equals(other: GdUnitGUID) -> bool:
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return other._guid == _guid
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## Generates a custom GUID using random bytes.[br]
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## The format uses 16 random bytes encoded to hex and formatted with hyphens.
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static func _generate_guid() -> String:
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# Pre-allocate array with exact size needed
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var bytes := PackedByteArray()
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bytes.resize(16)
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# Fill with random bytes
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for i in range(16):
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bytes[i] = randi() % 256
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bytes[6] = (bytes[6] & 0x0f) | 0x40
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bytes[8] = (bytes[8] & 0x3f) | 0x80
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return bytes.hex_encode().insert(8, "-").insert(16, "-").insert(24, "-")
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func _to_string() -> String:
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return _guid
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