Convert specs to tests

spec/factories/bank_statement.rb

@@ -1,11 +0,0 @@
-FactoryBot.define do
-  factory :bank_statement do
-    bank_code { '767' }
-    iban { 'EE557700771000598731' }
-    queried_at { Time.zone.now }
-
-    after :build do |bank_statement|
-      bank_statement.bank_transactions << FactoryBot.create_pair(:bank_transaction)
-    end
-  end
-end

spec/models/bank_statement_spec.rb

@@ -6,14 +6,6 @@ describe BankStatement do
       @bank_statement = BankStatement.new
     end
 
-    it 'should not be valid' do
-      @bank_statement.valid?
-      @bank_statement.errors.full_messages.should match_array([
-        "Bank code is missing",
-        "Iban is missing"
-      ])
-    end
-
     it 'should not have any versions' do
       @bank_statement.versions.should == []
     end
@@ -24,17 +16,6 @@ describe BankStatement do
       @bank_statement = create(:bank_statement)
     end
 
-    it 'should be valid' do
-      @bank_statement.valid?
-      @bank_statement.errors.full_messages.should match_array([])
-    end
-
-    it 'should be valid twice' do
-      @bank_statement = create(:bank_statement)
-      @bank_statement.valid?
-      @bank_statement.errors.full_messages.should match_array([])
-    end
-
     it 'should not bind transactions with invalid match data' do
       r = create(:registrar, reference_no: '1234')
 

test/fixtures/bank_statements.yml

@@ -0,0 +1,3 @@
+one:
+  bank_code: '1234'
+  iban: GB33BUKB20201555555555

test/models/bank_statement_test.rb

@@ -0,0 +1,25 @@
+require 'test_helper'
+
+class BankStatementTest < ActiveSupport::TestCase
+  def test_valid_bank_statement_fixture_is_valid
+    assert valid_bank_statement.valid?, proc { valid_bank_statement.errors.full_messages }
+  end
+
+  def test_invalid_without_bank_code
+    bank_statement = valid_bank_statement
+    bank_statement.bank_code = ''
+    assert bank_statement.invalid?
+  end
+
+  def test_invalid_without_iban
+    bank_statement = valid_bank_statement
+    bank_statement.iban = ''
+    assert bank_statement.invalid?
+  end
+
+  private
+
+  def valid_bank_statement
+    bank_statements(:one)
+  end
+end