7 files changed, 300 insertions, 0 deletions
diff --git a/Tests/Game/CommandParserTestBase.gd b/Tests/Game/CommandParserTestBase.gd
new file mode 100644
index 0000000..46b8b05
--- /dev/null
+++ b/Tests/Game/CommandParserTestBase.gd
@@ -0,0 +1,29 @@
+extends GutTest
+
+class_name CommandParserTestBase
+
+const CommandParser = preload("res://Scripts/Game/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;
diff --git a/Tests/Game/Commands/test_LookCommand.gd b/Tests/Game/Commands/test_LookCommand.gd
new file mode 100644
index 0000000..558efc1
--- /dev/null
+++ b/Tests/Game/Commands/test_LookCommand.gd
@@ -0,0 +1,58 @@
+extends CommandParserTestBase
+
+const LookCommand = preload("res://Scripts/Game/Commands/LookCommand.cs")
+
+var _around_permutations = generate_capitalization_permutations('around')
+var _at_permutations = generate_capitalization_permutations('at')
+var _look_permutations = generate_capitalization_permutations('look')
+
+func parse(input: String) -> LookCommand:
+	return autofree(_instance.TryParse(input))
+
+func after_all():
+	assert_no_new_orphans()
+
+func test_parsing_look_command_without_an_argument_returns_non_null():
+	assert_not_null(parse('look'))
+
+func test_parsing_look_command_is_case_insensitive(permutation=use_parameters(_look_permutations)):
+	assert_not_null(parse(permutation))
+
+func test_parsing_look_command_without_an_argument_returns_look_command_with_an_emtpy_target():
+	assert_eq('', parse('look').Target)
+
+func test_parsing_look_at_command_is_case_insensitive(permutation=use_parameters(_at_permutations)):
+	assert_not_null(parse('look ' + permutation))
+
+func test_parsing_look_at_command_without_further_arguments_returns_look_command_with_an_emtpy_target():
+	assert_eq('', parse('look at').Target)
+
+func test_parsing_look_at_command_without_further_arguments_returns_look_command_with_non_null_modifier():
+	assert_not_null(parse('look at').Modifier)
+
+func test_parsing_look_at_command_without_further_arguments_returns_look_command_with_at_modifier():
+	assert_eq('At', parse('look at').ModifierAsString)
+
+func test_parsing_look_at_command_with_more_arguments_returns_look_command_with_non_empty_target():
+	assert_ne('', parse('look at door on the left').Target)
+
+func test_parsing_look_at_command_with_an_additional_argument_returns_look_command_with_the_additional_argument_as_the_target():
+	assert_eq('window', parse('look at window').Target)
+
+func test_parsing_look_at_command_with_multiple_additional_arguments_returns_look_command_with_the_additional_arguments_as_the_target():
+	assert_eq('table near the door', parse('look at table near the door').Target)
+
+func test_parsing_look_around_command_is_case_insensitive(permutation=use_parameters(_around_permutations)):
+	assert_not_null(parse('look ' + permutation))
+
+func test_parsing_look_around_command_without_further_arguments_returns_look_command_with_an_empty_target():
+	assert_eq('', parse('look around').Target)
+
+func test_parsing_look_around_command_without_further_arguments_returns_look_command_with_non_null_modifier():
+	assert_not_null(parse('look around').Modifier)
+
+func test_parsing_look_around_command_without_further_arguments_returns_look_command_with_around_modifier():
+	assert_eq('Around', parse('look around').ModifierAsString)
+
+func test_parsing_look_around_command_ignores_all_additional_arguments():
+	assert_eq('', parse('look around the room').Target)
diff --git a/Tests/Game/test_CommandParser.gd b/Tests/Game/test_CommandParser.gd
new file mode 100644
index 0000000..659916e
--- /dev/null
+++ b/Tests/Game/test_CommandParser.gd
@@ -0,0 +1,12 @@
+extends CommandParserTestBase
+
+const Command = preload("res://Scripts/Game/Command.cs")
+
+func parse(input: String) -> Command:
+	return autofree(_instance.TryParse(input))
+
+func after_all():
+	assert_no_new_orphans()
+
+func test_parsing_the_empty_string_returns_null():
+	assert_null(parse(''))
diff --git a/Tests/Game/test_Input.gd b/Tests/Game/test_Input.gd
new file mode 100644
index 0000000..fca14e5
--- /dev/null
+++ b/Tests/Game/test_Input.gd
@@ -0,0 +1,86 @@
+extends GutTest
+
+const Scene = preload('res://Scenes/Game/Input.tscn')
+const GameInput = preload('res://Scripts/Game/Input.cs')
+
+var _instance: GameInput = null
+var _sender = InputSender.new(Input)
+
+const _invalid_input = 'ThisIsNotAValidCommand!'
+const _valid_input = 'look at door'
+const _command_submitted = 'CommandSubmitted'
+const _unknown_input_submitted = 'UnknownInputSubmitted'
+
+func _get_input_node() -> LineEdit:
+	return _instance.get_node('%TextInput') as LineEdit
+
+func _set_input_text(text):
+	var textInputNode = _get_input_node()
+	textInputNode.text = text
+	textInputNode.emit_signal('text_changed', textInputNode.text)
+
+func before_each():
+	_instance = add_child_autofree(Scene.instance())
+
+func after_each():
+	_sender.release_all()
+	_sender.clear()
+
+func after_all():
+	assert_no_new_orphans()
+
+func test_can_instantiate():
+	assert_not_null(_instance)
+
+func test_has_CommandSubmitted_signal():
+	assert_has_signal(_instance, _command_submitted)
+
+func test_has_UnknownInputSubmitted_signal():
+	assert_has_signal(_instance, _unknown_input_submitted)
+
+func test_TextInput_has_focus_when_scene_is_instantiated():
+	assert_true(_get_input_node().has_focus())
+
+func test_CommandSubmitted_signal_is_not_emitted_when_enter_is_pressed_without_text_in_TextInput():
+	watch_signals(_instance)
+	yield(UiHelpers.press_key(_sender, KEY_ENTER), 'idle')
+	assert_signal_not_emitted(_instance, _command_submitted)
+
+func test_UknownInputSumbmitted_signal_is_not_emitted_when_enter_is_pressed_without_text_in_TextInput():
+	watch_signals(_instance)
+	yield(UiHelpers.press_key(_sender, KEY_ENTER), 'idle')
+	assert_signal_not_emitted(_instance, _unknown_input_submitted)
+
+func test_CommandSubmitted_signal_is_emitted_when_enter_is_pressed_with_a_valid_command_in_TextInput():
+	watch_signals(_instance)
+	_set_input_text(_valid_input)
+	yield(UiHelpers.press_key(_sender, KEY_ENTER), 'idle')
+	assert_signal_emitted(_instance, _command_submitted)
+
+func test_UnknownInputSubmitted_signal_is_not_emitted_when_enter_is_pressed_with_an_invalid_command_in_TextInput():
+	watch_signals(_instance)
+	_set_input_text(_valid_input)
+	yield(UiHelpers.press_key(_sender, KEY_ENTER), 'idle')
+	assert_signal_not_emitted(_instance, _unknown_input_submitted)
+
+func test_CommandSubmitted_signal_is_not_emitted_when_enter_is_pressed_with_an_invalid_command_in_TextInput():
+	watch_signals(_instance)
+	_set_input_text(_invalid_input)
+	yield(UiHelpers.press_key(_sender, KEY_ENTER), 'idle')
+	assert_signal_not_emitted(_instance, _command_submitted)
+
+func test_UnknownInputSubmitted_signal_is_emitted_when_enter_is_pressed_with_a_valid_command_in_TextInput():
+	watch_signals(_instance)
+	_set_input_text(_invalid_input)
+	yield(UiHelpers.press_key(_sender, KEY_ENTER), 'idle')
+	assert_signal_emitted(_instance, _unknown_input_submitted)
+
+func test_TextInput_is_empty_after_submitting_a_valid_command():
+	_set_input_text(_valid_input)
+	yield(UiHelpers.press_key(_sender, KEY_ENTER), 'idle')
+	assert_true(_get_input_node().text.empty())
+
+func test_TextInput_is_empty_after_submitting_an_invalid_command():
+	_set_input_text(_invalid_input)
+	yield(UiHelpers.press_key(_sender, KEY_ENTER), 'idle')
+	assert_true(_get_input_node().text.empty())
diff --git a/Tests/Game/test_Output.gd b/Tests/Game/test_Output.gd
new file mode 100644
index 0000000..f3793de
--- /dev/null
+++ b/Tests/Game/test_Output.gd
@@ -0,0 +1,51 @@
+extends GutTest
+
+const Scene = preload('res://Scenes/Game/Output.tscn')
+const GameOutput = preload('res://Scripts/Game/Output.cs')
+
+var _instance: GameOutput = null
+
+func _get_line_container() -> VBoxContainer:
+	return _instance.get_node('%LineContainer') as VBoxContainer
+
+func after_each():
+	yield(yield_frames(1), YIELD)
+
+func before_each():
+	var scene = Scene.instance()
+	scene.OutputBlockScene = load('res://Scenes/Game/OutputBlock.tscn')
+	_instance = add_child_autofree(scene)
+
+func after_all():
+	assert_no_new_orphans()
+
+func test_can_be_instantiated():
+	assert_not_null(_instance)
+
+func test_LineContainer_is_empty_after_instantiation():
+	assert_true(_get_line_container().get_children().empty())
+
+func test_TextBlocks_is_empty_after_instantiation():
+	assert_true(_instance.TextBlocks.empty())
+
+func test_LineContainer_is_not_empty_after_calling_Push_with_a_non_empty_string_as_text():
+	_instance.Push('this is some test data')
+	assert_false(_get_line_container().get_children().empty())
+
+func test_LineContainer_is_empty_after_calling_Push_with_an_empty_string_as_text():
+	_instance.Push('')
+	assert_true(_get_line_container().get_children().empty())
+
+func test_TextBlocks_is_not_empty_after_calling_Push_with_a_non_empty_string_as_text():
+	_instance.Push('this is some test data')
+	assert_false(_instance.TextBlocks.empty())
+
+func test_TextBlocks_is_empty_after_calling_Push_with_an_empty_string_as_text():
+	_instance.Push('')
+	assert_true(_instance.TextBlocks.empty())
+
+func test_TextBlocks_contains_all_pushed_texts_in_the_push_order():
+	var texts = ['text block a', 'text block b']
+	for text in texts:
+		_instance.Push(text)
+	assert_eq(_instance.TextBlocks, texts)
diff --git a/Tests/Game/test_OutputBlock.gd b/Tests/Game/test_OutputBlock.gd
new file mode 100644
index 0000000..c7addfe
--- /dev/null
+++ b/Tests/Game/test_OutputBlock.gd
@@ -0,0 +1,32 @@
+extends GutTest
+
+const Scene = preload("res://Scenes/Game/OutputBlock.tscn")
+const OutputBlock = preload("res://Scripts/Game/OutputBlock.cs")
+
+const _input_text_changed = 'InputTextChanged'
+const _output_text_changed = 'OutputTextChanged'
+const _test_data = 'This is some test data'
+var _instance: OutputBlock = null
+
+
+func before_each():
+	_instance = add_child_autofree(Scene.instance())
+
+func after_all():
+	assert_no_new_orphans()
+
+func test_can_instantiate():
+	assert_not_null(_instance)
+
+func test_Content_is_empty_after_instantiation():
+	assert_eq(_instance.Content, '')
+
+func test_ContentLabel_bbcode_enabled_is_enabled_after_instantiation():
+	assert_true(_instance.get_node('ContentLabel').bbcode_enabled)
+
+func test_ContentLabel_is_empty_after_instantiation():
+	assert_eq(_instance.get_node('ContentLabel').bbcode_text, '')
+
+func test_setting_Content_sets_ContentLabel_bbcode_text():
+	_instance.Content = 'test'
+	assert_eq(_instance.get_node('ContentLabel').bbcode_text, 'test')
diff --git a/Tests/Game/test_StatusLine.gd b/Tests/Game/test_StatusLine.gd
new file mode 100644
index 0000000..b22f624
--- /dev/null
+++ b/Tests/Game/test_StatusLine.gd
@@ -0,0 +1,32 @@
+extends GutTest
+
+const Scene = preload("res://Scenes/Game/StatusLine.tscn")
+const StatusLine = preload("res://Scripts/Game/StatusLine.cs")
+
+var _instance: StatusLine = null
+
+func _get_title_label() -> RichTextLabel:
+	return _instance.get_node('%TitleLabel') as RichTextLabel
+
+func before_each():
+	_instance = add_child_autofree(Scene.instance())
+
+func after_all():
+	assert_no_new_orphans()
+
+func test_can_be_instantiated():
+	assert_not_null(_instance)
+
+func test_Title_is_empty_after_instantiation():
+	assert_true(_instance.Title.empty())
+
+func test_TitleLabel_is_empty_after_instantiation():
+	assert_true(_get_title_label().text.empty())
+
+func test_setting_Title_to_a_non_empty_string_makes_TitleLable_non_empty():
+	_instance.Title = 'this is a test title'
+	assert_false(_get_title_label().text.empty())
+
+func test_setting_Title_sets_the_bbcode_text_property_on_TitleLabel():
+	_instance.Title = '[wave]this is a test title[/wave]'
+	assert_false(_get_title_label().bbcode_text.empty())