neon-sprawl/client/test/zoom_band_config_test.gd

114 lines
2.9 KiB
GDScript

# Tests res://scripts/zoom_band_config.gd (NEO-16 discrete bands).
extends GdUnitTestSuite
const ZoomBandConfigScript := preload("res://scripts/zoom_band_config.gd")
func test_empty_bands_band_count_zero() -> void:
# Arrange
var c = ZoomBandConfigScript.new()
c.band_distances = PackedFloat32Array()
# Act
var n: int = c.band_count()
# Assert
assert_that(n).is_equal(0)
func test_empty_bands_clamp_index_zero() -> void:
# Arrange
var c = ZoomBandConfigScript.new()
c.band_distances = PackedFloat32Array()
# Act
var a: int = c.clamp_index(0)
var b: int = c.clamp_index(99)
# Assert
assert_that(a).is_equal(0)
assert_that(b).is_equal(0)
func test_empty_bands_distance_at_zero() -> void:
# Arrange
var c = ZoomBandConfigScript.new()
c.band_distances = PackedFloat32Array()
# Act
var d: float = c.distance_at(0)
# Assert
assert_that(d).is_equal(0.0)
func test_single_band_clamp_always_zero() -> void:
# Arrange
var c = ZoomBandConfigScript.new()
c.band_distances = PackedFloat32Array([42.0])
# Act
var a: int = c.clamp_index(-1)
var b: int = c.clamp_index(0)
var cc: int = c.clamp_index(9)
# Assert
assert_that(a).is_equal(0)
assert_that(b).is_equal(0)
assert_that(cc).is_equal(0)
func test_multi_band_clamp_and_distance_at() -> void:
# Arrange
var c = ZoomBandConfigScript.new()
c.band_distances = PackedFloat32Array([10.0, 20.0, 30.0])
# Act
var i0: int = c.clamp_index(-5)
var i1: int = c.clamp_index(1)
var i2: int = c.clamp_index(99)
var d1: float = c.distance_at(1)
var d2: float = c.distance_at(100)
# Assert
assert_that(i0).is_equal(0)
assert_that(i1).is_equal(1)
assert_that(i2).is_equal(2)
assert_that(d1).is_equal(20.0)
assert_that(d2).is_equal(30.0)
func test_default_index_clamped_via_clamp_index() -> void:
# Arrange
var c = ZoomBandConfigScript.new()
c.band_distances = PackedFloat32Array([1.0, 2.0, 3.0])
c.default_band_index = 99
# Act
var idx: int = c.clamp_index(c.default_band_index)
# Assert
assert_that(idx).is_equal(2)
func test_all_band_distances_positive_vacuous_when_empty() -> void:
# Arrange
var c = ZoomBandConfigScript.new()
c.band_distances = PackedFloat32Array()
# Act
var ok: bool = c.all_band_distances_positive()
# Assert
assert_that(ok).is_true()
func test_all_band_distances_positive_true_when_all_positive() -> void:
# Arrange
var c = ZoomBandConfigScript.new()
c.band_distances = PackedFloat32Array([1.0, 2.5, 10.0])
# Act
var ok: bool = c.all_band_distances_positive()
# Assert
assert_that(ok).is_true()
func test_all_band_distances_positive_false_when_zero_or_negative() -> void:
# Arrange
var c0 = ZoomBandConfigScript.new()
c0.band_distances = PackedFloat32Array([10.0, 0.0, 20.0])
var cn = ZoomBandConfigScript.new()
cn.band_distances = PackedFloat32Array([5.0, -1.0])
# Act
var ok0: bool = c0.all_band_distances_positive()
var okn: bool = cn.all_band_distances_positive()
# Assert
assert_that(ok0).is_false()
assert_that(okn).is_false()