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Testing Accounts Controller Integration in Maybe Finance

This test suite validates the functionality of the Accounts Controller in the Maybe Finance application, focusing on account management operations and Plaid integration. The tests ensure proper handling of account listing, creation, and synchronization features.

Test Coverage Overview

The test suite provides comprehensive coverage of account-related operations including:

Account listing and display verification
New account creation workflow
Individual account synchronization
Bulk account synchronization

Integration points with Plaid services and family account permissions are thoroughly tested, ensuring proper data access and display.

Implementation Analysis

The testing approach utilizes ActionDispatch::IntegrationTest for end-to-end validation of controller actions. The implementation leverages Minitest’s assertion methods and Rails’ built-in testing helpers for DOM verification and response checking.

Key patterns include user authentication setup, DOM element verification, and redirect path validation.

Technical Details

Testing Framework: Minitest
Rails Integration Testing
Fixtures for test data
DOM assertion helpers
Authentication helpers
Plaid integration testing utilities

Best Practices Demonstrated

The test suite exemplifies several testing best practices:

Proper test setup and isolation
Consistent assertion patterns
Clear test naming conventions
Comprehensive feature coverage
Integration of authentication contexts
Efficient use of fixtures

maybe-finance/maybe

test/controllers/accounts_controller_test.rb

            
require "test_helper"

class AccountsControllerTest < ActionDispatch::IntegrationTest
  setup do
    sign_in @user = users(:family_admin)
    @account = accounts(:depository)
  end

  test "gets accounts list" do
    get accounts_url
    assert_response :success

    @user.family.accounts.manual.each do |account|
      assert_dom "#" + dom_id(account), count: 1
    end

    @user.family.plaid_items.each do |item|
      assert_dom "#" + dom_id(item), count: 1
    end
  end

  test "new" do
    get new_account_path
    assert_response :ok
  end

  test "can sync an account" do
    post sync_account_path(@account)
    assert_redirected_to account_path(@account)
  end

  test "can sync all accounts" do
    post sync_all_accounts_path
    assert_redirected_to accounts_path
  end
end