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tests/test_availability.js

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+const assert = require("node:assert/strict");
+const availability = require("../static/availability.js");
+
+const walleye = {
+  id: "fish-walleye",
+  meta: "River/Lake · 12pm–2am · rain",
+  seasons: ["fall"]
+};
+const fallWindow = availability.classify(walleye, {
+  checked: false,
+  chooseGroupComplete: false,
+  season: "fall"
+});
+assert.equal(fallWindow.needed, true);
+assert.equal(fallWindow.availableNow, true);
+assert.equal(fallWindow.seasonExclusive, true);
+assert.equal(fallWindow.weather, "Rain");
+assert.equal(availability.matchesFilter(fallWindow, "now"), true);
+assert.equal(availability.matchesFilter(fallWindow, "exclusive"), true);
+assert.equal(availability.matchesFilter(fallWindow, "weather"), true);
+
+const springWalleye = availability.classify(walleye, {
+  checked: false,
+  chooseGroupComplete: false,
+  season: "spring"
+});
+assert.equal(springWalleye.availableNow, false);
+assert.equal(availability.matchesFilter(springWalleye, "now"), false);
+assert.equal(availability.matchesFilter(springWalleye, "weather"), false);
+
+const optionalChoice = availability.classify({
+  id: "crab-clam",
+  meta: "Ocean crab pot",
+  seasons: []
+}, {
+  checked: false,
+  chooseGroupComplete: true,
+  season: "spring"
+});
+assert.equal(optionalChoice.needed, false);
+assert.equal(availability.matchesFilter(optionalChoice, "open"), false);
+assert.equal(availability.matchesFilter(optionalChoice, "now"), false);
+
+console.log("availability tests passed");