test: add tests for missing crypto features

packages/crypto/test/crypto-browser/btoa-undefined.test.ts

@@ -0,0 +1,19 @@
+import { ErrorCode, FuelError } from '@fuel-ts/errors';
+import { expectToThrowFuelError } from '@fuel-ts/errors/test-utils';
+
+/**
+ * @group crypto
+ */
+describe('throws when btoa is unavailable', () => {
+  test('btoa is undefined', async () => {
+    vi.stubGlobal('btoa', undefined);
+
+    await expectToThrowFuelError(
+      () => import('../../src/browser/crypto'),
+      new FuelError(
+        ErrorCode.ENV_DEPENDENCY_MISSING,
+        `Could not find 'btoa' in current browser environment.`
+      )
+    );
+  });
+});

packages/crypto/test/crypto-browser/crypto-getRandomValues-undefined.test.ts

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+import { ErrorCode, FuelError } from '@fuel-ts/errors';
+import { expectToThrowFuelError } from '@fuel-ts/errors/test-utils';
+
+import { CryptoMock } from './crypto-mock';
+
+/**
+ * @group crypto
+ */
+describe('throws when crypto.getRandomValues is unavailable', () => {
+  test('crypto.getRandomValues is undefined', async () => {
+    vi.stubGlobal('crypto', new CryptoMock('getRandomValues'));
+
+    await expectToThrowFuelError(
+      () => import('../../src/browser/crypto'),
+      new FuelError(
+        ErrorCode.ENV_DEPENDENCY_MISSING,
+        `Could not find 'crypto.getRandomValues' in current browser environment.`
+      )
+    );
+  });
+});

packages/crypto/test/crypto-browser/crypto-mock.ts

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+import * as cr from 'crypto';
+
+export class CryptoMock {
+  /**
+   *
+   */
+  constructor(private toUndefined: 'subtle' | 'randomUUID' | 'getRandomValues') {}
+
+  get subtle() {
+    return this.toUndefined === 'subtle' ? undefined : cr.subtle;
+  }
+
+  get randomUUID() {
+    return this.toUndefined === 'randomUUID' ? undefined : cr.randomUUID;
+  }
+
+  get getRandomValues() {
+    return this.toUndefined === 'getRandomValues' ? undefined : cr.getRandomValues;
+  }
+}

packages/crypto/test/crypto-browser/crypto-randomUUID-undefined.test.ts

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+import { ErrorCode, FuelError } from '@fuel-ts/errors';
+import { expectToThrowFuelError } from '@fuel-ts/errors/test-utils';
+
+import { CryptoMock } from './crypto-mock';
+
+/**
+ * @group crypto
+ */
+describe('throws when crypto.randomUUID is unavailable', () => {
+  test('crypto.randomUUID is undefined', async () => {
+    vi.stubGlobal('crypto', new CryptoMock('randomUUID'));
+
+    await expectToThrowFuelError(
+      () => import('../../src/browser/crypto'),
+      new FuelError(
+        ErrorCode.ENV_DEPENDENCY_MISSING,
+        `Could not find 'crypto.randomUUID' in current browser environment.`
+      )
+    );
+  });
+});

packages/crypto/test/crypto-browser/crypto-subtle-undefined.test.ts

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+import { ErrorCode, FuelError } from '@fuel-ts/errors';
+import { expectToThrowFuelError } from '@fuel-ts/errors/test-utils';
+
+import { CryptoMock } from './crypto-mock';
+
+/**
+ * @group crypto
+ */
+describe('throws when crypto.subtle is unavailable', () => {
+  test('crypto.subtle is undefined', async () => {
+    vi.stubGlobal('crypto', new CryptoMock('subtle'));
+
+    await expectToThrowFuelError(
+      () => import('../../src/browser/crypto'),
+      new FuelError(
+        ErrorCode.ENV_DEPENDENCY_MISSING,
+        `Could not find 'crypto.subtle' in current browser environment.`
+      )
+    );
+  });
+});

packages/crypto/test/crypto-browser/crypto-undefined.test.ts

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+import { ErrorCode, FuelError } from '@fuel-ts/errors';
+import { expectToThrowFuelError } from '@fuel-ts/errors/test-utils';
+
+/**
+ * @group crypto
+ */
+describe('throws when crypto is unavailable', () => {
+  test('crypto is undefined', async () => {
+    vi.stubGlobal('crypto', undefined);
+
+    await expectToThrowFuelError(
+      () => import('../../src/browser/crypto'),
+      new FuelError(
+        ErrorCode.ENV_DEPENDENCY_MISSING,
+        `Could not find 'crypto' in current browser environment.`
+      )
+    );
+  });
+});