feat(jest): 17% coverage for PhantomManager

libraries/Phantom/PhantonManager.test.ts

@@ -0,0 +1,64 @@
+import { web3 } from '@project-serum/anchor'
+import PhantomManager from '~/libraries/Phantom/PhantomManager'
+import { AccountsError } from '~/store/accounts/types'
+
+describe('Test PhantomManager after Solana mock', () => {
+  it('should throws on mnemonic not present', async () => {
+    try {
+      const result = new PhantomManager()
+    } catch (error) {
+      expect(error).toBeInstanceOf(Error)
+      expect(error).toHaveProperty(
+        'message',
+        AccountsError.MNEMONIC_NOT_PRESENT,
+      )
+    }
+  })
+})
+
+describe('Test PhantomManager after Solana mock', () => {
+  beforeAll(() => {
+    Object.defineProperty(window, 'solana', {
+      configurable: true,
+      value: true,
+    })
+  })
+
+  afterAll(() => {
+    Object.defineProperty(window, 'solana', {
+      configurable: true,
+      value: {},
+    })
+  })
+
+  it('should fail to initialize wallet', async () => {
+    // Reason for failing: value should have (isPhantom: true) rather than just true in window.solana
+    try {
+      const result = new PhantomManager()
+      result.initWallet()
+      expect(result).toBe(123)
+    } catch (error) {
+      expect(error).toBeInstanceOf(Error)
+      expect(error).toHaveProperty(
+        'message',
+        AccountsError.MNEMONIC_NOT_PRESENT,
+      )
+    }
+  })
+
+  it('should fail to initialize wallet', async () => {
+    // Reason for failing: related to non-existence of isPhantom on window.solana
+    try {
+      const constructor = new PhantomManager()
+      const keypair = web3.Keypair.generate()
+      const result = constructor.getAccountBalance(keypair.publicKey)
+      expect(result).toBe(123)
+    } catch (error) {
+      expect(error).toBeInstanceOf(Error)
+      expect(error).toHaveProperty(
+        'message',
+        AccountsError.MNEMONIC_NOT_PRESENT,
+      )
+    }
+  })
+})