Adding tests for admin/bank_transactions_controller

test/fixtures/bank_statements.yml

@@ -1,3 +1,8 @@
 one:
   bank_code: '1234'
-  iban: GB33BUKB20201555555555
+  iban: GB33BUKB20201555555555
+
+two:
+  bank_code: '4321'
+  iban: GB82WEST12345698765432
+

test/fixtures/bank_transactions.yml

@@ -3,3 +3,10 @@ one:
   currency: EUR
   description: Order nr 1 from registrar 1234567 second number 2345678
   iban: US75512108001245126199
+
+with_statement:
+  bank_statement: two
+  sum: 1
+  currency: EUR
+  description: Order nr 1 from registrar 1234567 second number 2345678
+  iban: US75512108001245126199

test/integration/admin_area/bank_transactions_test.rb

@@ -0,0 +1,63 @@
+require 'test_helper'
+
+class AdminAreaBankTransactionsIntegrationTest < ActionDispatch::IntegrationTest
+  include Devise::Test::IntegrationHelpers
+
+  setup do
+    sign_in users(:admin)
+    @bank_statement = bank_statements(:one)
+    @bank_transaction = bank_transactions(:with_statement)
+  end
+
+  def test_new_page_accessible
+    get new_admin_bank_statement_bank_transaction_path(@bank_statement)
+    assert_response :success
+  end
+
+  def test_creates_bank_transaction
+    params = {
+      bank_transaction: {
+        description: 'Payment for invoice',
+        sum: '50.00',
+        currency: 'EUR'
+      }
+    }
+
+    assert_difference 'BankTransaction.count', +1 do
+      post admin_bank_statement_bank_transactions_path(@bank_statement), params: params
+    end
+
+    transaction = BankTransaction.last
+    assert_redirected_to admin_bank_transaction_path(transaction)
+    follow_redirect!
+    assert_response :success
+    assert_includes flash[:notice], I18n.t('record_created')
+  end
+
+  def test_bind_invoice_sets_flash_when_invoice_not_found
+    patch bind_admin_bank_transaction_path(@bank_transaction), params: { invoice_no: 'INVALID123' }
+
+    assert_response :success
+    assert_equal I18n.t('failed_to_create_record'), flash[:alert]
+  end
+
+  def test_updates_bank_transaction
+    new_description = 'Updated description'
+
+    patch admin_bank_transaction_path(@bank_transaction), params: {
+      bank_transaction: {
+        description: new_description,
+        sum: '1,50'
+      }
+    }
+
+    assert_redirected_to admin_bank_transaction_path(@bank_transaction)
+    follow_redirect!
+    assert_response :success
+    assert_equal I18n.t('record_updated'), flash[:notice]
+
+    @bank_transaction.reload
+    assert_equal new_description, @bank_transaction.description
+    assert_in_delta 1.5, @bank_transaction.sum.to_f, 0.0001
+  end
+end