feat: jest testing setup, example tests (#181)

__tests__/components/Account/AccountDetails.test.tsx

@@ -0,0 +1,29 @@
+import { render, screen } from '@testing-library/react'
+
+import * as useParams from 'utils/route'
+import AccountDetails from 'components/Account/AccountDetails'
+
+jest.mock('utils/route')
+const mockedUseParams = useParams.default as jest.Mock
+
+describe('<AccountDetails />', () => {
+  afterAll(() => {
+    mockedUseParams.mockRestore()
+  })
+
+  it('renders account details WHEN accountId specified in the params', () => {
+    mockedUseParams.mockReturnValue({ accountId: 1 })
+    render(<AccountDetails />)
+
+    const container = screen.queryByTestId('account-details')
+    expect(container).toBeInTheDocument()
+  })
+
+  it('does not render WHEN accountId is NOT specified in the params', () => {
+    mockedUseParams.mockReturnValue({ accountId: null })
+    render(<AccountDetails />)
+
+    const container = screen.queryByTestId('account-details')
+    expect(container).not.toBeInTheDocument()
+  })
+})

__tests__/utils/vaults.test.ts

@@ -0,0 +1,33 @@
+import { getVaultMetaData } from 'utils/vaults'
+import * as constants from 'constants/env'
+
+jest.mock('constants/env', () => ({
+  __esModule: true,
+  get IS_TESTNET() {
+    return true
+  },
+}))
+
+describe('getVaultMetaData()', () => {
+  afterAll(() => {
+    jest.restoreAllMocks()
+  })
+
+  it('returns the MAINNET vault of given address WHEN environment configured to mainnet', () => {
+    jest.spyOn(constants, 'IS_TESTNET', 'get').mockReturnValue(false)
+
+    const testAddress = 'osmo1g3kmqpp8608szfp0pdag3r6z85npph7wmccat8lgl3mp407kv73qlj7qwp'
+    const testVaultName = 'OSMO-ATOM'
+
+    expect(getVaultMetaData(testAddress)?.name).toBe(testVaultName)
+  })
+
+  it('returns the TESTNET vault of given address WHEN environment configured to testnet', () => {
+    jest.spyOn(constants, 'IS_TESTNET', 'get').mockReturnValue(true)
+
+    const testAddress = 'osmo1q40xvrzpldwq5he4ftsf7zm2jf80tj373qaven38yqrvhex8r9rs8n94kv'
+    const testVaultName = 'OSMO-USDC.n'
+
+    expect(getVaultMetaData(testAddress)?.name).toBe(testVaultName)
+  })
+})