Initial Watermaps import

2026-07-24 11:29:24 +02:00
commit 57f7b4dedb
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+import { describe, expect, it } from "vitest";
+import { normalizeMarineForecast } from "../src/services/weather.js";
+
+describe("departure-time marine forecast", () => {
+  it("selects waves, wind and ocean current nearest the requested passage time", () => {
+    const result = normalizeMarineForecast(
+      {
+        hourly: {
+          time: ["2026-07-20T08:00", "2026-07-20T09:00"],
+          wave_height: [0.6, 0.9],
+          wave_direction: [280, 290],
+          wave_period: [4, 5],
+          ocean_current_velocity: [0.4, 1.1],
+          ocean_current_direction: [90, 100],
+          sea_level_height_msl: [0.2, 0.4]
+        }
+      },
+      {
+        hourly: {
+          time: ["2026-07-20T08:00", "2026-07-20T09:00"],
+          wind_speed_10m: [8, 12],
+          wind_direction_10m: [240, 250],
+          weather_code: [2, 3],
+          temperature_2m: [18, 19]
+        }
+      },
+      { marineAvailable: true, weatherAvailable: true },
+      "2026-07-20T08:40:00.000Z"
+    );
+
+    expect(result).toMatchObject({
+      waveHeightM: 0.9,
+      windSpeed: 12,
+      oceanCurrentSpeedKn: 1.1,
+      oceanCurrentDirectionDeg: 100,
+      seaLevelHeightMslM: 0.4,
+      forecastTime: "2026-07-20T09:00:00.000Z"
+    });
+  });
+
+  it("does not reuse the edge of the forecast as if it covered a much later departure", () => {
+    const result = normalizeMarineForecast(
+      {
+        hourly: {
+          time: ["2026-07-20T08:00"],
+          wave_height: [0.6],
+          wave_direction: [280],
+          wave_period: [4],
+          ocean_current_velocity: [0.4],
+          ocean_current_direction: [90],
+          sea_level_height_msl: [0.2]
+        }
+      },
+      {
+        hourly: {
+          time: ["2026-07-20T08:00"],
+          wind_speed_10m: [8],
+          wind_direction_10m: [240],
+          weather_code: [2],
+          temperature_2m: [18]
+        }
+      },
+      { marineAvailable: true, weatherAvailable: true },
+      "2026-07-24T08:00:00.000Z"
+    );
+
+    expect(result).toMatchObject({
+      waveHeightM: null,
+      windSpeed: null,
+      oceanCurrentSpeedKn: null,
+      oceanCurrentDirectionDeg: null
+    });
+  });
+});