58 lines
2.4 KiB
JavaScript
58 lines
2.4 KiB
JavaScript
import { TestCase } from "./framework/test_case.js";
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import { TerrainStats, DEFAULT_MOVEMENT_COST_MULTIPLIER } from "../shared/terrain_stats.js";
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import { TERRAIN_TILES } from "../shared/data.js";
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export class TerrainStatsTest extends TestCase {
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test_authored_values_are_read() {
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const stats = new TerrainStats({
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"0,0": { populationMultiplier: 0.3, gdpMultiplier: 0.5, movementCostMultiplier: 1.5 },
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});
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this.assertApprox(stats.populationMultiplier({ x: 0, y: 0 }), 0.3);
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this.assertApprox(stats.gdpMultiplier({ x: 0, y: 0 }), 0.5);
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this.assertApprox(stats.movementCostMultiplier({ x: 0, y: 0 }), 1.5);
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}
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test_unset_values_fall_back() {
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const stats = new TerrainStats({ "0,0": {} });
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this.assertApprox(stats.populationMultiplier({ x: 0, y: 0 }), 0.0);
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this.assertApprox(stats.gdpMultiplier({ x: 0, y: 0 }), 0.0);
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this.assertApprox(stats.movementCostMultiplier({ x: 0, y: 0 }), DEFAULT_MOVEMENT_COST_MULTIPLIER);
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}
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test_zero_movement_cost_means_normal() {
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const stats = new TerrainStats({ "0,0": { movementCostMultiplier: 0 } });
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this.assertApprox(stats.movementCostMultiplier({ x: 0, y: 0 }), DEFAULT_MOVEMENT_COST_MULTIPLIER);
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}
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test_missing_tile_returns_defaults() {
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const stats = new TerrainStats({ "0,0": {} });
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this.assertApprox(stats.populationMultiplier({ x: 9, y: 9 }), 0.0);
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this.assertApprox(stats.movementCostMultiplier({ x: 9, y: 9 }), DEFAULT_MOVEMENT_COST_MULTIPLIER);
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}
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test_min_movement_cost_picks_cheapest_used_tile() {
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const stats = new TerrainStats({
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"0,0": { movementCostMultiplier: 2.0 },
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"1,0": { movementCostMultiplier: 0.5 },
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"2,0": {},
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});
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this.assertApprox(stats.minMovementCostMultiplier(), 0.5);
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}
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test_min_movement_cost_without_tiles_is_default() {
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this.assertApprox(new TerrainStats({}).minMovementCostMultiplier(), DEFAULT_MOVEMENT_COST_MULTIPLIER);
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}
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test_catalogue_exposes_terrain_multipliers() {
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const land = TERRAIN_TILES.filter((t) => t.terrainClass === "Land");
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this.assertNotEmpty(land);
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for (const tile of land) {
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this.assertHas(tile, "populationMultiplier");
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this.assertHas(tile, "gdpMultiplier");
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this.assertHas(tile, "movementCostMultiplier");
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}
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const cheapest = Math.min(...TERRAIN_TILES.map((t) => t.movementCostMultiplier || DEFAULT_MOVEMENT_COST_MULTIPLIER));
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this.assertGreaterOrEqual(cheapest, 0);
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}
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}
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