test: configure Vitest and add 54 unit tests (F6.1, F6.2)

Set up Vitest with happy-dom, mock Nuxt auto-imports via #imports alias. Add tests for: inventory-types validators (9), apiHelpers (10), modelUtils (18), useConfirm (8), useToast (9). All 54 tests pass. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-09 11:20:28 +01:00
parent 6152848957
commit 634184c2be
9 changed files with 1099 additions and 11 deletions
--- a/package-lock.json
+++ b/package-lock.json
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@@ -7301,6 +7568,16 @@
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@@ -7829,6 +8106,37 @@
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@@ -8442,6 +8750,64 @@
        "jiti": "lib/jiti-cli.mjs"
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+    },
+    "node_modules/js-beautify/node_modules/nopt": {
+      "version": "7.2.1",
+      "resolved": "https://registry.npmjs.org/nopt/-/nopt-7.2.1.tgz",
+      "integrity": "sha512-taM24ViiimT/XntxbPyJQzCG+p4EKOpgD3mxFwW38mGjVUrfERQOeY4EDHjdnptttfHuHQXFx+lTP08Q+mLa/w==",
+      "dev": true,
+      "license": "ISC",
+      "dependencies": {
+        "abbrev": "^2.0.0"
+      },
+      "bin": {
+        "nopt": "bin/nopt.js"
+      },
+      "engines": {
+        "node": "^14.17.0 || ^16.13.0 || >=18.0.0"
+      }
+    },
+    "node_modules/js-cookie": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/js-cookie/-/js-cookie-3.0.5.tgz",
+      "integrity": "sha512-cEiJEAEoIbWfCZYKWhVwFuvPX1gETRYPw6LlaTKoxD3s2AkXzkCjnp6h0V77ozyqj0jakteJ4YqDJT830+lVGw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=14"
+      }
+    },
    "node_modules/js-tokens": {
      "version": "4.0.0",
      "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
@@ -9208,9 +9574,9 @@
      }
    },
    "node_modules/magic-string": {
-      "version": "0.30.19",
-      "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.30.19.tgz",
-      "integrity": "sha512-2N21sPY9Ws53PZvsEpVtNuSW+ScYbQdp4b9qUaL+9QkHUrGFKo56Lg9Emg5s9V/qrtNBmiR01sYhUOwu3H+VOw==",
+      "version": "0.30.21",
+      "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.30.21.tgz",
+      "integrity": "sha512-vd2F4YUyEXKGcLHoq+TEyCjxueSeHnFxyyjNp80yg0XV4vUhnDer/lvvlqM/arB5bXQN5K2/3oinyCRyx8T2CQ==",
      "license": "MIT",
      "dependencies": {
        "@jridgewell/sourcemap-codec": "^1.5.5"
@@ -9978,6 +10344,17 @@
        "node": ">= 6"
      }
    },
+    "node_modules/obug": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/obug/-/obug-2.1.1.tgz",
+      "integrity": "sha512-uTqF9MuPraAQ+IsnPf366RG4cP9RtUi7MLO1N3KEc+wb0a6yKpeL0lmk2IB1jY5KHPAlTc6T/JRdC/YqxHNwkQ==",
+      "dev": true,
+      "funding": [
+        "https://github.com/sponsors/sxzz",
+        "https://opencollective.com/debug"
+      ],
+      "license": "MIT"
+    },
    "node_modules/ofetch": {
      "version": "1.4.1",
      "resolved": "https://registry.npmjs.org/ofetch/-/ofetch-1.4.1.tgz",
@@ -11256,6 +11633,13 @@
        "node": ">= 6"
      }
    },
+    "node_modules/proto-list": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/proto-list/-/proto-list-1.2.4.tgz",
+      "integrity": "sha512-vtK/94akxsTMhe0/cbfpR+syPuszcuwhqVjJq26CuNDgFGj682oRBXOP5MJpv2r7JtE8MsiepGIqvvOTBwn2vA==",
+      "dev": true,
+      "license": "ISC"
+    },
    "node_modules/protocols": {
      "version": "2.0.2",
      "resolved": "https://registry.npmjs.org/protocols/-/protocols-2.0.2.tgz",
@@ -11943,6 +12327,13 @@
        "url": "https://github.com/sponsors/ljharb"
      }
    },
+    "node_modules/siginfo": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/siginfo/-/siginfo-2.0.0.tgz",
+      "integrity": "sha512-ybx0WO1/8bSBLEWXZvEd7gMW3Sn3JFlW3TvX1nREbDLRNQNaeNN8WK0meBwPdAaOI7TtRRRJn/Es1zhrrCHu7g==",
+      "dev": true,
+      "license": "ISC"
+    },
    "node_modules/signal-exit": {
      "version": "4.1.0",
      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-4.1.0.tgz",
@@ -12089,6 +12480,13 @@
        "node": ">=12.0.0"
      }
    },
+    "node_modules/stackback": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/stackback/-/stackback-0.0.2.tgz",
+      "integrity": "sha512-1XMJE5fQo1jGH6Y/7ebnwPOBEkIEnT4QF32d5R1+VXdXveM0IBMJt8zfaxX1P3QhVwrYe+576+jkANtSS2mBbw==",
+      "dev": true,
+      "license": "MIT"
+    },
    "node_modules/standard-as-callback": {
      "version": "2.1.0",
      "resolved": "https://registry.npmjs.org/standard-as-callback/-/standard-as-callback-2.1.0.tgz",
@@ -12105,9 +12503,9 @@
      }
    },
    "node_modules/std-env": {
-      "version": "3.9.0",
-      "resolved": "https://registry.npmjs.org/std-env/-/std-env-3.9.0.tgz",
-      "integrity": "sha512-UGvjygr6F6tpH7o2qyqR6QYpwraIjKSdtzyBdyytFOHmPZY917kwdwLG0RbOjWOnKmnm3PeHjaoLLMie7kPLQw==",
+      "version": "3.10.0",
+      "resolved": "https://registry.npmjs.org/std-env/-/std-env-3.10.0.tgz",
+      "integrity": "sha512-5GS12FdOZNliM5mAOxFRg7Ir0pWz8MdpYm6AY6VPkGpbA7ZzmbzNcBJQ0GPvvyWgcY7QAhCgf9Uy89I03faLkg==",
      "license": "MIT"
    },
    "node_modules/streamx": {
@@ -12536,12 +12934,22 @@
      "integrity": "sha512-+FbBPE1o9QAYvviau/qC5SE3caw21q3xkvWKBtja5vgqOWIHHJ3ioaq1VPfn/Szqctz2bU/oYeKd9/z5BL+PVg==",
      "license": "MIT"
    },
-    "node_modules/tinyexec": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/tinyexec/-/tinyexec-1.0.1.tgz",
-      "integrity": "sha512-5uC6DDlmeqiOwCPmK9jMSdOuZTh8bU39Ys6yidB+UTt5hfZUPGAypSgFRiEp+jbi9qH40BLDvy85jIU88wKSqw==",
+    "node_modules/tinybench": {
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/tinybench/-/tinybench-2.9.0.tgz",
+      "integrity": "sha512-0+DUvqWMValLmha6lr4kD8iAMK1HzV0/aKnCtWb9v9641TnP/MFb7Pc2bxoxQjTXAErryXVgUOfv2YqNllqGeg==",
+      "dev": true,
      "license": "MIT"
    },
+    "node_modules/tinyexec": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/tinyexec/-/tinyexec-1.0.2.tgz",
+      "integrity": "sha512-W/KYk+NFhkmsYpuHq5JykngiOCnxeVL8v8dFnqxSD8qEEdRfXk1SDM6JzNqcERbcGYj9tMrDQBYV9cjgnunFIg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      }
+    },
    "node_modules/tinyglobby": {
      "version": "0.2.15",
      "resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.15.tgz",
@@ -12558,6 +12966,16 @@
        "url": "https://github.com/sponsors/SuperchupuDev"
      }
    },
+    "node_modules/tinyrainbow": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/tinyrainbow/-/tinyrainbow-3.0.3.tgz",
+      "integrity": "sha512-PSkbLUoxOFRzJYjjxHJt9xro7D+iilgMX/C9lawzVuYiIdcihh9DXmVibBe8lmcFrRi/VzlPjBxbN7rH24q8/Q==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
    "node_modules/to-regex-range": {
      "version": "5.0.1",
      "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
@@ -13617,6 +14035,84 @@
        "@types/estree": "^1.0.0"
      }
    },
+    "node_modules/vitest": {
+      "version": "4.0.18",
+      "resolved": "https://registry.npmjs.org/vitest/-/vitest-4.0.18.tgz",
+      "integrity": "sha512-hOQuK7h0FGKgBAas7v0mSAsnvrIgAvWmRFjmzpJ7SwFHH3g1k2u37JtYwOwmEKhK6ZO3v9ggDBBm0La1LCK4uQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@vitest/expect": "4.0.18",
+        "@vitest/mocker": "4.0.18",
+        "@vitest/pretty-format": "4.0.18",
+        "@vitest/runner": "4.0.18",
+        "@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",
+        "picomatch": "^4.0.3",
+        "std-env": "^3.10.0",
+        "tinybench": "^2.9.0",
+        "tinyexec": "^1.0.2",
+        "tinyglobby": "^0.2.15",
+        "tinyrainbow": "^3.0.3",
+        "vite": "^6.0.0 || ^7.0.0",
+        "why-is-node-running": "^2.3.0"
+      },
+      "bin": {
+        "vitest": "vitest.mjs"
+      },
+      "engines": {
+        "node": "^20.0.0 || ^22.0.0 || >=24.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      },
+      "peerDependencies": {
+        "@edge-runtime/vm": "*",
+        "@opentelemetry/api": "^1.9.0",
+        "@types/node": "^20.0.0 || ^22.0.0 || >=24.0.0",
+        "@vitest/browser-playwright": "4.0.18",
+        "@vitest/browser-preview": "4.0.18",
+        "@vitest/browser-webdriverio": "4.0.18",
+        "@vitest/ui": "4.0.18",
+        "happy-dom": "*",
+        "jsdom": "*"
+      },
+      "peerDependenciesMeta": {
+        "@edge-runtime/vm": {
+          "optional": true
+        },
+        "@opentelemetry/api": {
+          "optional": true
+        },
+        "@types/node": {
+          "optional": true
+        },
+        "@vitest/browser-playwright": {
+          "optional": true
+        },
+        "@vitest/browser-preview": {
+          "optional": true
+        },
+        "@vitest/browser-webdriverio": {
+          "optional": true
+        },
+        "@vitest/ui": {
+          "optional": true
+        },
+        "happy-dom": {
+          "optional": true
+        },
+        "jsdom": {
+          "optional": true
+        }
+      }
+    },
    "node_modules/vscode-uri": {
      "version": "3.1.0",
      "resolved": "https://registry.npmjs.org/vscode-uri/-/vscode-uri-3.1.0.tgz",
@@ -13653,6 +14149,13 @@
        "ufo": "^1.6.1"
      }
    },
+    "node_modules/vue-component-type-helpers": {
+      "version": "2.2.12",
+      "resolved": "https://registry.npmjs.org/vue-component-type-helpers/-/vue-component-type-helpers-2.2.12.tgz",
+      "integrity": "sha512-YbGqHZ5/eW4SnkPNR44mKVc6ZKQoRs/Rux1sxC6rdwXb4qpbOSYfDr9DsTHolOTGmIKgM9j141mZbBeg05R1pw==",
+      "dev": true,
+      "license": "MIT"
+    },
    "node_modules/vue-devtools-stub": {
      "version": "0.1.0",
      "resolved": "https://registry.npmjs.org/vue-devtools-stub/-/vue-devtools-stub-0.1.0.tgz",
@@ -13710,6 +14213,16 @@
      "integrity": "sha512-66/V2i5hQanC51vBQKPH4aI8NMAcBW59FVBs+rC7eGHupMyfn34q7rZIE+ETlJ+XTevqfUhVVBgSUNSW2flEUQ==",
      "license": "MIT"
    },
+    "node_modules/whatwg-mimetype": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-mimetype/-/whatwg-mimetype-3.0.0.tgz",
+      "integrity": "sha512-nt+N2dzIutVRxARx1nghPKGv1xHikU7HKdfafKkLNLindmPU/ch3U31NOCGGA/dmPcmb1VlofO0vnKAcsm0o/Q==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      }
+    },
    "node_modules/whatwg-url": {
      "version": "5.0.0",
      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
@@ -13735,6 +14248,23 @@
        "node": ">= 8"
      }
    },
+    "node_modules/why-is-node-running": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/why-is-node-running/-/why-is-node-running-2.3.0.tgz",
+      "integrity": "sha512-hUrmaWBdVDcxvYqnyh09zunKzROWjbZTiNy8dBEjkS7ehEDQibXJ7XvlmtbwuTclUiIyN+CyXQD4Vmko8fNm8w==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "siginfo": "^2.0.0",
+        "stackback": "0.0.2"
+      },
+      "bin": {
+        "why-is-node-running": "cli.js"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
    "node_modules/word-wrap": {
      "version": "1.2.5",
      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.5.tgz",
--- a/package.json
+++ b/package.json
@@ -10,7 +10,9 @@
    "postinstall": "nuxt prepare",
    "start": "nuxt start",
    "lint": "eslint . --ext .js,.ts,.vue",
-    "lint:fix": "npm run lint -- --fix"
+    "lint:fix": "npm run lint -- --fix",
+    "test": "vitest run",
+    "test:watch": "vitest"
  },
  "dependencies": {
    "@nuxtjs/tailwindcss": "^6.14.0",
@@ -28,10 +30,13 @@
    "@types/node": "^25.2.1",
    "@typescript-eslint/eslint-plugin": "^8.44.1",
    "@typescript-eslint/parser": "^8.44.1",
+    "@vue/test-utils": "^2.4.6",
    "eslint": "^9.36.0",
    "eslint-plugin-vue": "^10.5.0",
+    "happy-dom": "^20.5.3",
    "typescript": "^5.7.3",
    "unplugin-icons": "^0.19.3",
+    "vitest": "^4.0.18",
    "vue-eslint-parser": "^10.2.0"
  }
 }
--- a/tests/mocks/imports.ts
+++ b/tests/mocks/imports.ts
@@ -0,0 +1,35 @@
+/**
+ * Minimal mock for Nuxt's #imports auto-import.
+ * Add stubs here as tests require them.
+ */
+
+import { ref } from 'vue'
+
+export const useRuntimeConfig = () => ({
+  public: {
+    apiBaseUrl: 'http://localhost:8081/api',
+    appVersion: '0.0.0-test',
+  },
+})
+
+export const useRoute = () => ({
+  path: '/',
+  params: {},
+  query: {},
+})
+
+export const useRouter = () => ({
+  push: () => Promise.resolve(),
+  replace: () => Promise.resolve(),
+})
+
+export const navigateTo = () => Promise.resolve()
+
+export const useRequestFetch = () => fetch
+
+export const useFetch = () => ({
+  data: ref(null),
+  error: ref(null),
+  pending: ref(false),
+  refresh: () => Promise.resolve(),
+})
--- a/tests/composables/useConfirm.test.ts
+++ b/tests/composables/useConfirm.test.ts
@@ -0,0 +1,81 @@
+import { describe, it, expect } from 'vitest'
+import { useConfirm } from '~/composables/useConfirm'
+
+describe('useConfirm', () => {
+  it('returns confirm function and state', () => {
+    const { confirm, confirmState, handleConfirm, handleCancel } = useConfirm()
+    expect(typeof confirm).toBe('function')
+    expect(typeof handleConfirm).toBe('function')
+    expect(typeof handleCancel).toBe('function')
+    expect(confirmState.open).toBe(false)
+  })
+
+  it('opens modal with correct options', () => {
+    const { confirm, confirmState } = useConfirm()
+    // Don't await — we'll manually resolve
+    confirm({ message: 'Delete this item?' })
+    expect(confirmState.open).toBe(true)
+    expect(confirmState.message).toBe('Delete this item?')
+    expect(confirmState.title).toBe('Confirmation')
+    expect(confirmState.confirmText).toBe('Supprimer')
+    expect(confirmState.cancelText).toBe('Annuler')
+    expect(confirmState.dangerous).toBe(true)
+    // Clean up by canceling
+    const { handleCancel } = useConfirm()
+    handleCancel()
+  })
+
+  it('resolves true on confirm', async () => {
+    const { confirm, handleConfirm } = useConfirm()
+    const promise = confirm({ message: 'Confirm?' })
+    handleConfirm()
+    const result = await promise
+    expect(result).toBe(true)
+  })
+
+  it('resolves false on cancel', async () => {
+    const { confirm, handleCancel } = useConfirm()
+    const promise = confirm({ message: 'Cancel?' })
+    handleCancel()
+    const result = await promise
+    expect(result).toBe(false)
+  })
+
+  it('closes modal after confirm', async () => {
+    const { confirm, confirmState, handleConfirm } = useConfirm()
+    confirm({ message: 'Test' })
+    expect(confirmState.open).toBe(true)
+    handleConfirm()
+    expect(confirmState.open).toBe(false)
+  })
+
+  it('closes modal after cancel', async () => {
+    const { confirm, confirmState, handleCancel } = useConfirm()
+    confirm({ message: 'Test' })
+    expect(confirmState.open).toBe(true)
+    handleCancel()
+    expect(confirmState.open).toBe(false)
+  })
+
+  it('supports custom options', () => {
+    const { confirm, confirmState, handleCancel } = useConfirm()
+    confirm({
+      title: 'Custom Title',
+      message: 'Custom message',
+      confirmText: 'Yes',
+      cancelText: 'No',
+      dangerous: false,
+    })
+    expect(confirmState.title).toBe('Custom Title')
+    expect(confirmState.confirmText).toBe('Yes')
+    expect(confirmState.cancelText).toBe('No')
+    expect(confirmState.dangerous).toBe(false)
+    handleCancel()
+  })
+
+  it('shares state across calls (singleton)', () => {
+    const a = useConfirm()
+    const b = useConfirm()
+    expect(a.confirmState).toBe(b.confirmState)
+  })
+})
--- a/tests/composables/useToast.test.ts
+++ b/tests/composables/useToast.test.ts
@@ -0,0 +1,83 @@
+import { describe, it, expect, beforeEach, vi } from 'vitest'
+import { useToast } from '~/composables/useToast'
+
+describe('useToast', () => {
+  beforeEach(() => {
+    vi.useFakeTimers()
+    const { clearAll } = useToast()
+    clearAll()
+  })
+
+  it('returns all expected functions', () => {
+    const toast = useToast()
+    expect(typeof toast.showToast).toBe('function')
+    expect(typeof toast.showSuccess).toBe('function')
+    expect(typeof toast.showError).toBe('function')
+    expect(typeof toast.showWarning).toBe('function')
+    expect(typeof toast.showInfo).toBe('function')
+    expect(typeof toast.removeToast).toBe('function')
+    expect(typeof toast.clearAll).toBe('function')
+  })
+
+  it('adds a toast with correct properties', () => {
+    const { showToast, toasts } = useToast()
+    const id = showToast('Hello', 'info')
+    expect(toasts.value).toHaveLength(1)
+    expect(toasts.value[0].message).toBe('Hello')
+    expect(toasts.value[0].type).toBe('info')
+    expect(toasts.value[0].visible).toBe(true)
+    expect(toasts.value[0].id).toBe(id)
+  })
+
+  it('showSuccess creates a success toast', () => {
+    const { showSuccess, toasts } = useToast()
+    showSuccess('Saved!')
+    expect(toasts.value[0].type).toBe('success')
+    expect(toasts.value[0].message).toBe('Saved!')
+  })
+
+  it('showError creates an error toast', () => {
+    const { showError, toasts } = useToast()
+    showError('Failed!')
+    expect(toasts.value[0].type).toBe('error')
+  })
+
+  it('showWarning creates a warning toast', () => {
+    const { showWarning, toasts } = useToast()
+    showWarning('Caution!')
+    expect(toasts.value[0].type).toBe('warning')
+  })
+
+  it('limits to MAX_TOASTS (3)', () => {
+    const { showToast, toasts } = useToast()
+    showToast('A', 'info')
+    showToast('B', 'info')
+    showToast('C', 'info')
+    showToast('D', 'info')
+    expect(toasts.value).toHaveLength(3)
+    expect(toasts.value[0].message).toBe('B')
+    expect(toasts.value[2].message).toBe('D')
+  })
+
+  it('clearAll removes all toasts', () => {
+    const { showToast, toasts, clearAll } = useToast()
+    showToast('A', 'info')
+    showToast('B', 'info')
+    expect(toasts.value.length).toBeGreaterThan(0)
+    clearAll()
+    expect(toasts.value).toHaveLength(0)
+  })
+
+  it('shares state across calls (singleton)', () => {
+    const a = useToast()
+    const b = useToast()
+    expect(a.toasts).toBe(b.toasts)
+  })
+
+  it('removeToast sets visible to false', () => {
+    const { showToast, toasts, removeToast } = useToast()
+    const id = showToast('Test', 'info')
+    removeToast(id)
+    expect(toasts.value[0].visible).toBe(false)
+  })
+})
--- a/tests/shared/apiHelpers.test.ts
+++ b/tests/shared/apiHelpers.test.ts
@@ -0,0 +1,50 @@
+import { describe, it, expect } from 'vitest'
+import { extractCollection } from '~/shared/utils/apiHelpers'
+
+describe('extractCollection', () => {
+  it('returns the input if it is already an array', () => {
+    const items = [{ id: 1 }, { id: 2 }]
+    expect(extractCollection(items)).toEqual(items)
+  })
+
+  it('extracts from hydra:member', () => {
+    const payload = { 'hydra:member': [{ id: 1 }], 'hydra:totalItems': 1 }
+    expect(extractCollection(payload)).toEqual([{ id: 1 }])
+  })
+
+  it('extracts from member', () => {
+    const payload = { member: [{ id: 1 }, { id: 2 }] }
+    expect(extractCollection(payload)).toEqual([{ id: 1 }, { id: 2 }])
+  })
+
+  it('extracts from items', () => {
+    const payload = { items: [{ id: 1 }] }
+    expect(extractCollection(payload)).toEqual([{ id: 1 }])
+  })
+
+  it('extracts from data', () => {
+    const payload = { data: [{ id: 1 }] }
+    expect(extractCollection(payload)).toEqual([{ id: 1 }])
+  })
+
+  it('prefers member over hydra:member', () => {
+    const payload = { member: [{ id: 'member' }], 'hydra:member': [{ id: 'hydra' }] }
+    expect(extractCollection(payload)).toEqual([{ id: 'member' }])
+  })
+
+  it('returns empty array for null', () => {
+    expect(extractCollection(null)).toEqual([])
+  })
+
+  it('returns empty array for undefined', () => {
+    expect(extractCollection(undefined)).toEqual([])
+  })
+
+  it('returns empty array for empty object', () => {
+    expect(extractCollection({})).toEqual([])
+  })
+
+  it('returns empty array for string', () => {
+    expect(extractCollection('not an object')).toEqual([])
+  })
+})
--- a/tests/shared/inventory-types.test.ts
+++ b/tests/shared/inventory-types.test.ts
@@ -0,0 +1,118 @@
+import { describe, it, expect } from 'vitest'
+import {
+  componentModelStructureValidator,
+  createEmptyComponentModelStructure,
+  createEmptyPieceModelStructure,
+  createEmptyProductModelStructure,
+} from '~/shared/types/inventory'
+
+describe('createEmptyComponentModelStructure', () => {
+  it('returns a valid empty structure', () => {
+    const result = createEmptyComponentModelStructure()
+    expect(result).toEqual({
+      customFields: [],
+      pieces: [],
+      products: [],
+      subcomponents: [],
+    })
+  })
+})
+
+describe('createEmptyPieceModelStructure', () => {
+  it('returns a valid empty piece structure', () => {
+    const result = createEmptyPieceModelStructure()
+    expect(result).toEqual({
+      customFields: [],
+      products: [],
+    })
+  })
+})
+
+describe('createEmptyProductModelStructure', () => {
+  it('returns a valid empty product structure', () => {
+    const result = createEmptyProductModelStructure()
+    expect(result).toEqual({
+      customFields: [],
+    })
+  })
+})
+
+describe('componentModelStructureValidator', () => {
+  it('parses a minimal valid structure', () => {
+    const input = {
+      customFields: [],
+      pieces: [],
+      subcomponents: [],
+    }
+    const result = componentModelStructureValidator.safeParse(input)
+    expect(result.success).toBe(true)
+    if (result.success) {
+      expect(result.data.customFields).toEqual([])
+      expect(result.data.pieces).toEqual([])
+      expect(result.data.subcomponents).toEqual([])
+    }
+  })
+
+  it('rejects a non-object input', () => {
+    const result = componentModelStructureValidator.safeParse('not an object')
+    expect(result.success).toBe(false)
+    if (!result.success) {
+      expect(result.issues.length).toBeGreaterThan(0)
+    }
+  })
+
+  it('validates custom fields with name and type', () => {
+    const input = {
+      customFields: [
+        { name: 'Color', type: 'text', required: true },
+        { name: 'Size', type: 'select', required: false, options: ['S', 'M', 'L'] },
+      ],
+      pieces: [],
+      subcomponents: [],
+    }
+    const result = componentModelStructureValidator.safeParse(input)
+    expect(result.success).toBe(true)
+    if (result.success) {
+      expect(result.data.customFields).toHaveLength(2)
+      expect(result.data.customFields[0].name).toBe('Color')
+      expect(result.data.customFields[1].options).toEqual(['S', 'M', 'L'])
+    }
+  })
+
+  it('rejects custom fields without name', () => {
+    const input = {
+      customFields: [{ type: 'text', required: false }],
+      pieces: [],
+      subcomponents: [],
+    }
+    const result = componentModelStructureValidator.safeParse(input)
+    expect(result.success).toBe(false)
+    if (!result.success) {
+      expect(result.issues.some((i) => i.includes('name'))).toBe(true)
+    }
+  })
+
+  it('validates nested subcomponents', () => {
+    const input = {
+      customFields: [],
+      pieces: [],
+      subcomponents: [
+        {
+          typeComposantId: 'abc-123',
+          alias: 'Motor',
+          subcomponents: [],
+        },
+      ],
+    }
+    const result = componentModelStructureValidator.safeParse(input)
+    expect(result.success).toBe(true)
+    if (result.success) {
+      expect(result.data.subcomponents).toHaveLength(1)
+      expect(result.data.subcomponents[0].alias).toBe('Motor')
+    }
+  })
+
+  it('parse throws on invalid input', () => {
+    expect(() => componentModelStructureValidator.parse(null)).toThrow()
+  })
+})
--- a/tests/shared/modelUtils.test.ts
+++ b/tests/shared/modelUtils.test.ts
@@ -0,0 +1,169 @@
+import { describe, it, expect } from 'vitest'
+import {
+  isPlainObject,
+  defaultStructure,
+  cloneStructure,
+  computeStructureStats,
+  formatStructurePreview,
+} from '~/shared/model/componentStructure'
+import {
+  defaultPieceStructure,
+  defaultProductStructure,
+  clonePieceStructure,
+  cloneProductStructure,
+} from '~/shared/model/pieceProductStructure'
+
+describe('isPlainObject', () => {
+  it('returns true for plain objects', () => {
+    expect(isPlainObject({})).toBe(true)
+    expect(isPlainObject({ key: 'value' })).toBe(true)
+  })
+
+  it('returns false for arrays', () => {
+    expect(isPlainObject([])).toBe(false)
+  })
+
+  it('returns false for null', () => {
+    expect(isPlainObject(null)).toBe(false)
+  })
+
+  it('returns false for primitives', () => {
+    expect(isPlainObject('string')).toBe(false)
+    expect(isPlainObject(42)).toBe(false)
+    expect(isPlainObject(undefined)).toBe(false)
+  })
+})
+
+describe('defaultStructure', () => {
+  it('returns a fresh empty structure each time', () => {
+    const a = defaultStructure()
+    const b = defaultStructure()
+    expect(a).toEqual(b)
+    expect(a).not.toBe(b)
+    expect(a.customFields).toEqual([])
+    expect(a.pieces).toEqual([])
+    expect(a.products).toEqual([])
+    expect(a.subcomponents).toEqual([])
+  })
+})
+
+describe('cloneStructure', () => {
+  it('deep clones a structure', () => {
+    const original = defaultStructure()
+    original.customFields.push({ name: 'test', type: 'text', required: false })
+    const cloned = cloneStructure(original)
+    expect(cloned.customFields).toHaveLength(1)
+    expect(cloned.customFields[0].name).toBe('test')
+    // Ensure deep clone — mutating original doesn't affect clone
+    original.customFields[0].name = 'mutated'
+    expect(cloned.customFields[0].name).toBe('test')
+  })
+
+  it('returns default structure for null input', () => {
+    const result = cloneStructure(null)
+    expect(result).toEqual(defaultStructure())
+  })
+
+  it('returns default structure for undefined input', () => {
+    const result = cloneStructure(undefined)
+    expect(result).toEqual(defaultStructure())
+  })
+
+  it('preserves typeComposantId and alias', () => {
+    const input = {
+      ...defaultStructure(),
+      typeComposantId: 'abc-123',
+      alias: 'Motor',
+    }
+    const result = cloneStructure(input)
+    expect(result.typeComposantId).toBe('abc-123')
+    expect(result.alias).toBe('Motor')
+  })
+})
+
+describe('computeStructureStats', () => {
+  it('counts elements in a structure', () => {
+    const structure = {
+      ...defaultStructure(),
+      customFields: [
+        { name: 'A', type: 'text' as const, required: false },
+        { name: 'B', type: 'number' as const, required: true },
+      ],
+      pieces: [{ typePieceId: 'p1' }],
+      products: [{ typeProductId: 'pr1' }],
+      subcomponents: [{ subcomponents: [] }],
+    }
+    const stats = computeStructureStats(structure)
+    expect(stats.customFields).toBe(2)
+    expect(stats.pieces).toBe(1)
+    expect(stats.products).toBe(1)
+    expect(stats.subcomponents).toBe(1)
+  })
+
+  it('returns zeros for empty structure', () => {
+    const stats = computeStructureStats(defaultStructure())
+    expect(stats).toEqual({
+      customFields: 0,
+      pieces: 0,
+      products: 0,
+      subcomponents: 0,
+    })
+  })
+})
+
+describe('formatStructurePreview', () => {
+  it('returns "Structure vide" for empty structure', () => {
+    const result = formatStructurePreview(defaultStructure())
+    expect(result).toBe('Structure vide')
+  })
+
+  it('formats a non-empty structure', () => {
+    const structure = {
+      ...defaultStructure(),
+      customFields: [{ name: 'A', type: 'text' as const, required: false }],
+      pieces: [{ typePieceId: 'p1' }, { typePieceId: 'p2' }],
+    }
+    const result = formatStructurePreview(structure)
+    expect(result).toContain('1 champ')
+    expect(result).toContain('2 pièce')
+  })
+})
+
+describe('defaultPieceStructure', () => {
+  it('returns a valid empty piece structure', () => {
+    const result = defaultPieceStructure()
+    expect(result.customFields).toEqual([])
+    expect(result.products).toEqual([])
+  })
+})
+
+describe('defaultProductStructure', () => {
+  it('returns a valid empty product structure', () => {
+    const result = defaultProductStructure()
+    expect(result.customFields).toEqual([])
+  })
+})
+
+describe('clonePieceStructure', () => {
+  it('deep clones a piece structure', () => {
+    const original = defaultPieceStructure()
+    original.customFields.push({ name: 'Weight', type: 'number', required: true })
+    const cloned = clonePieceStructure(original)
+    expect(cloned.customFields).toHaveLength(1)
+    original.customFields[0].name = 'mutated'
+    expect(cloned.customFields[0].name).toBe('Weight')
+  })
+
+  it('returns default for null', () => {
+    expect(clonePieceStructure(null)).toEqual(defaultPieceStructure())
+  })
+})
+
+describe('cloneProductStructure', () => {
+  it('deep clones a product structure', () => {
+    const original = defaultProductStructure()
+    original.customFields.push({ name: 'Color', type: 'text', required: false })
+    const cloned = cloneProductStructure(original)
+    expect(cloned.customFields).toHaveLength(1)
+  })
+})
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -0,0 +1,17 @@
+import { defineConfig } from 'vitest/config'
+import { resolve } from 'node:path'
+
+export default defineConfig({
+  test: {
+    globals: true,
+    environment: 'happy-dom',
+    root: '.',
+    include: ['tests/**/*.test.ts'],
+  },
+  resolve: {
+    alias: {
+      '~': resolve(__dirname, 'app'),
+      '#imports': resolve(__dirname, 'tests/__mocks__/imports.ts'),
+    },
+  },
+})