Implement logic

gocardless-client/src/tests/client_test.rs

@@ -0,0 +1,55 @@
+use gocardless_client::client::GoCardlessClient;
+use gocardless_client::models::TokenResponse;
+use wiremock::matchers::{method, path};
+use wiremock::{Mock, MockServer, ResponseTemplate};
+use std::fs;
+
+#[tokio::test]
+async fn test_get_transactions_parsing() {
+    // 1. Setup WireMock
+    let mock_server = MockServer::start().await;
+
+    // Mock Token Endpoint
+    Mock::given(method("POST"))
+        .and(path("/api/v2/token/new/"))
+        .respond_with(ResponseTemplate::new(200).set_body_json(TokenResponse {
+            access: "fake_access_token".to_string(),
+            access_expires: 3600,
+            refresh: Some("fake_refresh".to_string()),
+            refresh_expires: Some(86400),
+        }))
+        .mount(&mock_server)
+        .await;
+
+    // Mock Transactions Endpoint
+    let fixture = fs::read_to_string("tests/fixtures/gc_transactions.json").unwrap();
+    
+    Mock::given(method("GET"))
+        .and(path("/api/v2/accounts/ACC123/transactions/"))
+        .respond_with(ResponseTemplate::new(200).set_body_string(fixture))
+        .mount(&mock_server)
+        .await;
+
+    // 2. Run Client
+    let mut client = GoCardlessClient::new(&mock_server.uri(), "id", "key").unwrap();
+    client.obtain_access_token().await.unwrap();
+    
+    let resp = client.get_transactions("ACC123", None, None).await.unwrap();
+
+    // 3. Assertions
+    assert_eq!(resp.transactions.booked.len(), 2);
+    
+    let tx1 = &resp.transactions.booked[0];
+    assert_eq!(tx1.transaction_id.as_deref(), Some("TX123"));
+    assert_eq!(tx1.transaction_amount.amount, "100.00");
+    assert_eq!(tx1.transaction_amount.currency, "EUR");
+
+    let tx2 = &resp.transactions.booked[1];
+    assert_eq!(tx2.transaction_id.as_deref(), Some("TX124"));
+    assert_eq!(tx2.transaction_amount.amount, "-10.00");
+    
+    // Verify Multi-Currency parsing
+    let exchange = tx2.currency_exchange.as_ref().unwrap();
+    assert_eq!(exchange[0].source_currency.as_deref(), Some("USD"));
+    assert_eq!(exchange[0].exchange_rate.as_deref(), Some("1.10"));
+}

gocardless-client/src/tests/fixtures/gc_transactions.json

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+{
+  "transactions": {
+    "booked": [
+      {
+        "transactionId": "TX123",
+        "bookingDate": "2023-10-01",
+        "transactionAmount": {
+          "amount": "100.00",
+          "currency": "EUR"
+        },
+        "debtorName": "John Doe",
+        "remittanceInformationUnstructured": "Payment for services"
+      },
+      {
+        "transactionId": "TX124",
+        "bookingDate": "2023-10-02",
+        "transactionAmount": {
+          "amount": "-10.00",
+          "currency": "EUR"
+        },
+        "currencyExchange": [
+          {
+            "sourceCurrency": "USD",
+            "exchangeRate": "1.10",
+            "targetCurrency": "EUR"
+          }
+        ],
+        "creditorName": "US Store",
+        "remittanceInformationUnstructured": "US Purchase"
+      }
+    ],
+    "pending": []
+  }
+}