Merge pull request 'test: add unit tests for dateRange.ts (#33)' (#36) from fix/simpl-resultat-33-daterange-tests into main

package-lock.json

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@@ -2929,6 +3131,20 @@
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+      "license": "MIT"
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+      "dev": true,
+      "license": "MIT"
+    },
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+      "dev": true,
+      "license": "MIT",
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+    },
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@@ -2969,6 +3202,16 @@
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+    "node_modules/tinyrainbow": {
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+      "dev": true,
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@@ -3126,6 +3369,84 @@
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+        "@vitest/snapshot": "4.0.18",
+        "@vitest/spy": "4.0.18",
+        "@vitest/utils": "4.0.18",
+        "es-module-lexer": "^1.7.0",
+        "expect-type": "^1.2.2",
+        "magic-string": "^0.30.21",
+        "obug": "^2.1.1",
+        "pathe": "^2.0.3",
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+        "@vitest/browser-webdriverio": "4.0.18",
+        "@vitest/ui": "4.0.18",
+        "happy-dom": "*",
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@@ -3134,6 +3455,23 @@
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package.json

@@ -8,7 +8,9 @@
     "dev": "vite",
     "build": "tsc && vite build",
     "preview": "vite preview",
-    "tauri": "tauri"
+    "tauri": "tauri",
+    "test": "vitest run",
+    "test:watch": "vitest"
   },
   "dependencies": {
     "@dnd-kit/core": "^6.3.1",
@@ -37,6 +39,7 @@
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     "tailwindcss": "^4.1.18",
     "typescript": "~5.8.3",
-    "vite": "^6.4.1"
+    "vite": "^6.4.1",
+    "vitest": "^4.0.18"
   }
 }

src/utils/dateRange.test.ts

@@ -0,0 +1,123 @@
+import { describe, it, expect, vi, beforeEach, afterEach } from "vitest";
+import { computeDateRange, buildMonthOptions } from "./dateRange";
+
+describe("computeDateRange", () => {
+  beforeEach(() => {
+    // Fix "now" to 2025-07-15 for deterministic tests
+    vi.useFakeTimers();
+    vi.setSystemTime(new Date(2025, 6, 15)); // July 15, 2025
+  });
+
+  afterEach(() => {
+    vi.useRealTimers();
+  });
+
+  it('returns empty object for "all" period', () => {
+    expect(computeDateRange("all")).toEqual({});
+  });
+
+  it('returns custom range for "custom" period', () => {
+    expect(computeDateRange("custom", "2025-01-01", "2025-06-30")).toEqual({
+      dateFrom: "2025-01-01",
+      dateTo: "2025-06-30",
+    });
+  });
+
+  it('falls back to default when "custom" has missing dates', () => {
+    const result = computeDateRange("custom");
+    // Should fall through to default (same as "month")
+    expect(result.dateFrom).toBe("2025-07-01");
+    expect(result.dateTo).toBe("2025-07-15");
+  });
+
+  it('computes "month" period (first of current month to today)', () => {
+    const result = computeDateRange("month");
+    expect(result).toEqual({ dateFrom: "2025-07-01", dateTo: "2025-07-15" });
+  });
+
+  it('computes "3months" period (3 months back)', () => {
+    const result = computeDateRange("3months");
+    expect(result).toEqual({ dateFrom: "2025-05-01", dateTo: "2025-07-15" });
+  });
+
+  it('computes "6months" period (6 months back)', () => {
+    const result = computeDateRange("6months");
+    expect(result).toEqual({ dateFrom: "2025-02-01", dateTo: "2025-07-15" });
+  });
+
+  it('computes "year" period (Jan 1st of current year)', () => {
+    const result = computeDateRange("year");
+    expect(result).toEqual({ dateFrom: "2025-01-01", dateTo: "2025-07-15" });
+  });
+
+  it('computes "12months" period (12 months back)', () => {
+    const result = computeDateRange("12months");
+    expect(result).toEqual({ dateFrom: "2024-08-01", dateTo: "2025-07-15" });
+  });
+
+  it("handles January rollover for 3months period", () => {
+    vi.setSystemTime(new Date(2025, 1, 10)); // Feb 10, 2025
+    const result = computeDateRange("3months");
+    expect(result).toEqual({ dateFrom: "2024-12-01", dateTo: "2025-02-10" });
+  });
+
+  it("handles January rollover for 6months period", () => {
+    vi.setSystemTime(new Date(2025, 0, 20)); // Jan 20, 2025
+    const result = computeDateRange("6months");
+    expect(result).toEqual({ dateFrom: "2024-08-01", dateTo: "2025-01-20" });
+  });
+
+  it("handles January rollover for 12months period", () => {
+    vi.setSystemTime(new Date(2025, 0, 5)); // Jan 5, 2025
+    const result = computeDateRange("12months");
+    expect(result).toEqual({ dateFrom: "2024-02-01", dateTo: "2025-01-05" });
+  });
+});
+
+describe("buildMonthOptions", () => {
+  beforeEach(() => {
+    vi.useFakeTimers();
+    vi.setSystemTime(new Date(2025, 6, 15)); // July 15, 2025
+  });
+
+  afterEach(() => {
+    vi.useRealTimers();
+  });
+
+  it("returns 24 month options", () => {
+    const options = buildMonthOptions("fr");
+    expect(options).toHaveLength(24);
+  });
+
+  it("starts with the current month", () => {
+    const options = buildMonthOptions("en");
+    expect(options[0].key).toBe("2025-7");
+    expect(options[0].value).toBe("2025-7");
+  });
+
+  it("ends 23 months ago", () => {
+    const options = buildMonthOptions("en");
+    expect(options[23].key).toBe("2023-8");
+    expect(options[23].value).toBe("2023-8");
+  });
+
+  it("handles January rollover correctly", () => {
+    vi.setSystemTime(new Date(2025, 0, 15)); // Jan 15, 2025
+    const options = buildMonthOptions("en");
+    expect(options[0].key).toBe("2025-1");
+    expect(options[1].key).toBe("2024-12");
+    expect(options[12].key).toBe("2024-1");
+  });
+
+  it("capitalizes the first letter of labels", () => {
+    const options = buildMonthOptions("fr");
+    for (const opt of options) {
+      expect(opt.label[0]).toBe(opt.label[0].toUpperCase());
+    }
+  });
+
+  it("labels contain year information", () => {
+    const options = buildMonthOptions("en");
+    expect(options[0].label).toContain("2025");
+  });
+});