commands: add basic command parser infrastructure

1 files changed, 29 insertions, 0 deletions

diff --git a/Tests/ComponentTests/ParserTests/CommandParserTestBase.gd b/Tests/ComponentTests/ParserTests/CommandParserTestBase.gd
new file mode 100644
index 0000000..6e452cb
--- /dev/null
+++ b/Tests/ComponentTests/ParserTests/CommandParserTestBase.gd
@@ -0,0 +1,29 @@
+extends GutTest
+
+class_name CommandParserTestBase
+
+const CommandParser = preload("res://Scripts/CommandParser.cs")
+
+var _instance: CommandParser
+
+func _to_bits(number: int, bits: int) -> Array:
+	var result = []
+	for bit in bits:
+		result.append(number & 1)
+		number = number >> 1
+	return result
+
+func before_each():
+	_instance = autofree(CommandParser.new())
+
+func generate_capitalization_permutations(text: String) -> Array:
+	var result = []
+
+	for permutation in pow(2, text.length()):
+		var mask = _to_bits(permutation, text.length())
+		var copy = String(text)
+		for index in len(mask):
+			if mask[index] == 1:
+				copy[index] = copy[index].to_upper()
+		result.append(copy)
+	return result;