From 4fd32d88f7ba9c0f3265598b4bd0e0c52fdbc322 Mon Sep 17 00:00:00 2001
From: Eric Floyd <101071809+eric-bodhi@users.noreply.github.com>
Date: Sun, 21 Jan 2024 16:31:02 -0500
Subject: [PATCH] added credit card expiration function to Finance (#487)

---
 include/faker-cxx/Finance.h         | 11 +++++++++++
 src/modules/finance/Finance.cpp     |  6 ++++++
 src/modules/finance/FinanceTest.cpp | 14 ++++++++++----
 3 files changed, 27 insertions(+), 4 deletions(-)

diff --git a/include/faker-cxx/Finance.h b/include/faker-cxx/Finance.h
index bf8431fcc..ce7435602 100644
--- a/include/faker-cxx/Finance.h
+++ b/include/faker-cxx/Finance.h
@@ -220,5 +220,16 @@ class Finance
      * @endcode
      */
     static std::string ethereumAddress();
+
+    /**
+     * Generates a random expiration date.
+     *
+     * @returns std::string date.
+     *
+     * @code
+     * Finance::creditCardExpirationDate() // "03/26"
+     * @endcode
+     */
+    static std::string creditCardExpirationDate();
 };
 }
diff --git a/src/modules/finance/Finance.cpp b/src/modules/finance/Finance.cpp
index 0a37f37fe..5577f8302 100644
--- a/src/modules/finance/Finance.cpp
+++ b/src/modules/finance/Finance.cpp
@@ -7,6 +7,7 @@
 #include "data/CreditCardsFormats.h"
 #include "data/Currencies.h"
 #include "data/IbanFormats.h"
+#include "faker-cxx/Date.h"
 #include "faker-cxx/Helper.h"
 #include "faker-cxx/Number.h"
 #include "faker-cxx/String.h"
@@ -166,4 +167,9 @@ std::string Finance::ethereumAddress()
     return String::hexadecimal(40, HexCasing::Lower);
 }
 
+std::string Finance::creditCardExpirationDate()
+{
+    const auto expirationDate = Date::futureDate(3);
+    return expirationDate.substr(5, 2) + "/" + expirationDate.substr(2, 2);
+}
 }
diff --git a/src/modules/finance/FinanceTest.cpp b/src/modules/finance/FinanceTest.cpp
index 8b03c5b7e..1c8d6079e 100644
--- a/src/modules/finance/FinanceTest.cpp
+++ b/src/modules/finance/FinanceTest.cpp
@@ -386,6 +386,13 @@ TEST_F(FinanceTest, shouldGenerateEthereumAddress)
                                     { return hexLowerCharacters.find(hexNumberCharacter) != std::string::npos; }));
 }
 
+TEST_F(FinanceTest, shouldGenerateExpirationDate)
+{
+    const auto expirationDate = Finance::creditCardExpirationDate();
+    int tenthPlaceYear = std::stoi(expirationDate.substr(3, 2));
+    std::cout << expirationDate << " " << tenthPlaceYear << "\n";
+    ASSERT_TRUE(tenthPlaceYear >= 24);
+}
 
 class FinanceBicTest : public TestWithParam<BicCountry>
 {
@@ -399,13 +406,12 @@ TEST_P(FinanceBicTest, CheckBicGenerator)
 
     const auto& bankIdentifiersCodes = bankIdentifiersCodesMapping.at(country);
 
-    ASSERT_TRUE(std::ranges::any_of(bankIdentifiersCodes, [bic](const std::string& bankIdentifierCode) {
-                                        return bic == bankIdentifierCode;
-                                    }));
+    ASSERT_TRUE(std::ranges::any_of(bankIdentifiersCodes, [bic](const std::string& bankIdentifierCode)
+                                    { return bic == bankIdentifierCode; }));
 }
 
 INSTANTIATE_TEST_SUITE_P(TestBicGenerator, FinanceBicTest,
                          Values(BicCountry::Poland, BicCountry::United_States, BicCountry::United_Kingdom,
                                 BicCountry::Germany, BicCountry::Romania, BicCountry::France, BicCountry::Italy,
                                 BicCountry::Spain, BicCountry::Netherlands, BicCountry::India),
-                         [](const TestParamInfo<BicCountry>& info) { return generatedBicTestName.at(info.param); });
\ No newline at end of file
+                         [](const TestParamInfo<BicCountry>& info) { return generatedBicTestName.at(info.param); });