cellular-automata/test/simulation_test.dart

68 lines
2.1 KiB
Dart

import 'dart:math';
import 'package:mockito/mockito.dart';
import 'package:rules_of_living/src/Grid.dart';
import 'package:rules_of_living/src/Simulation.dart';
import 'package:test/test.dart';
class MockGrid extends Mock implements Grid<bool> {}
void main() {
Simulation sut;
setUp(() {
sut = Simulation(10, 10);
});
group("gridSize", () {
test(
"returns the width and height of the underlying grid",
() => expect(
sut.gridSize, equals(Point<int>(sut.map.width, sut.map.height))));
test("sets the underlying grid width and height", () {
sut.gridSize = Point(2, 3);
expect(sut.gridSize, equals(Point(2, 3)));
});
test("creates a new underlying grid on resizing", () {
var oldMap = sut.map;
sut.gridSize = Point(10, 10);
expect(sut.map, isNot(same(oldMap)));
}, tags: "nobrowser");
});
group("resetMap", () {
test("sets the internal map filled with 'false' ", () {
sut.map.set(1, 1, true);
sut.clearMap();
expect(sut.map, allOf(TypeMatcher<Grid>(), isNot(contains(true))));
});
test("sets the simulation to need re-rendering", () {
sut.dirty = false;
sut.clearMap();
expect(sut.dirty, true);
});
}, tags: "nobrowser");
group("save&load", () {
test(
"saves a copy of the map which does not change when the actual map changes",
() {
sut.saveSnapshot();
sut.mergeStateChanges({1: true, 2: true});
var snapshot = Grid.from(sut.map);
expect(sut.loadSnapshot(), isNot(equals(snapshot)));
});
}, tags: "nobrowser");
group("toggleCellState", () {
test("throws RangeError if outside the map bounds", () {
expect(() => sut.toggleCell(10, 9), throwsRangeError);
}, tags: const ["nobrowser"]);
test("sets the cell to false if currently true", () {
sut.map.set(1, 1, true);
sut.toggleCell(1, 1);
expect(sut.map.get(1, 1), false);
}, tags: const ["nobrowser"]);
test("sets the cell to true if currently false", () {
sut.map.set(1, 1, false);
sut.toggleCell(1, 1);
expect(sut.map.get(1, 1), true);
}, tags: const ["nobrowser"]);
});
}