🚀 3단계 - 외부 시스템 격리

infra/docker-compose.yml

@@ -2,6 +2,15 @@ networks:
   atdd-net:
     external: true
 
+x-db-env: &db_env
+  SPRING_DATASOURCE_URL: "jdbc:mysql://atdd-db:3306/atdd?useSSL=false&characterEncoding=utf8&allowPublicKeyRetrieval=true&serverTimezone=Asia/Seoul"
+  SPRING_DATASOURCE_USERNAME: "root"
+  SPRING_DATASOURCE_PASSWORD: "secret"
+
+x-wait-db: &wait_db_cmd >
+  sh -c "until nc -z atdd-db 3306; do echo 'waiting db...'; sleep 2; done;
+         java $JAVA_OPTS -jar /app/app.jar"
+
 services:
   kiosk:
     build:
@@ -20,13 +29,10 @@ services:
       KIOSK_ADMIN_AUTH_PASSWORD: "admin123"
       KIOSK_ADMIN_AUTH_COOKIE_NAME: "AUTH_TOKEN"
       RESERVATION_BASE_URL: "http://reservation:8080"
-      SPRING_DATASOURCE_URL: "jdbc:mysql://atdd-db:3306/atdd?useSSL=false&characterEncoding=utf8&allowPublicKeyRetrieval=true&serverTimezone=Asia/Seoul"
-      SPRING_DATASOURCE_USERNAME: "root"
-      SPRING_DATASOURCE_PASSWORD: "secret"
-
-    command: >
-      sh -c "until nc -z atdd-db 3306; do echo 'waiting db...'; sleep 2; done;
-             java $JAVA_OPTS -jar /app/app.jar"
+      KIOSK_PAYMENT_BASE_URL: "http://payments-mock:8080"
+      KIOSK_PAYMENT_SECRET_KEY: "test_sk_dummy"
+      <<: *db_env
+    command: *wait_db_cmd
 
   admin:
     build:
@@ -41,12 +47,8 @@ services:
       JAVA_OPTS: "-Xms256m -Xmx512m"
       RESERVATION_BASE_URL: "http://reservation:8080"
       KIOSK_BASE_URL: "http://kiosk:8080"
-      SPRING_DATASOURCE_URL: "jdbc:mysql://atdd-db:3306/atdd?useSSL=false&characterEncoding=utf8&allowPublicKeyRetrieval=true&serverTimezone=Asia/Seoul"
-      SPRING_DATASOURCE_USERNAME: "root"
-      SPRING_DATASOURCE_PASSWORD: "secret"
-    command: >
-      sh -c "until nc -z atdd-db 3306; do echo 'waiting db...'; sleep 2; done;
-             java $JAVA_OPTS -jar /app/app.jar"
+      <<: *db_env
+    command: *wait_db_cmd
 
   reservation:
     build:
@@ -61,9 +63,18 @@ services:
       JAVA_OPTS: "-Xms256m -Xmx512m"
       ADMIN_BASE_URL: "http://admin:8080"
       KIOSK_BASE_URL: "http://kiosk:8080"
-      SPRING_DATASOURCE_URL: "jdbc:mysql://atdd-db:3306/atdd?useSSL=false&characterEncoding=utf8&allowPublicKeyRetrieval=true&serverTimezone=Asia/Seoul"
-      SPRING_DATASOURCE_USERNAME: "root"
-      SPRING_DATASOURCE_PASSWORD: "secret"
-    command: >
-      sh -c "until nc -z atdd-db 3306; do echo 'waiting db...'; sleep 2; done;
-             java $JAVA_OPTS -jar /app/app.jar"
+      <<: *db_env
+    command: *wait_db_cmd
+
+  payments-mock:
+    image: wiremock/wiremock:3.13.1
+    container_name: payments-mock
+    networks: [ atdd-net ]
+    ports:
+      - "9090:8080"
+    volumes:
+      - ./wiremock:/home/wiremock
+    command:
+      - "--global-response-templating"
+      - "--verbose"
+

infra/wiremock/mappings/payment-20-confirm-success.json

@@ -0,0 +1,30 @@
+{
+  "priority": 20,
+  "request": {
+    "method": "POST",
+    "urlPath": "/v1/payments/confirm",
+    "headers": {
+      "Authorization": { "equalTo": "Basic dGVzdF9za19kdW1teTo=" },
+      "Content-Type": { "contains": "application/json" }
+    },
+    "bodyPatterns": [
+      { "matchesJsonPath": "$.paymentKey" },
+      { "matchesJsonPath": "$.orderId" },
+      { "matchesJsonPath": "$.amount" }
+    ]
+  },
+  "response": {
+    "status": 200,
+    "headers": { "Content-Type": "application/json" },
+    "jsonBody": {
+      "paymentKey": "{{jsonPath request.body '$.paymentKey'}}",
+      "orderId": "{{jsonPath request.body '$.orderId'}}",
+      "method": "CARD",
+      "approvedAt": "2024-01-01T12:34:56Z",
+      "totalAmount": "{{jsonPath request.body '$.amount'}}",
+      "status": "APPROVED",
+      "receipt": { "url": "https://pay.local/receipts/{{jsonPath request.body '$.paymentKey'}}" }
+    },
+    "transformers": ["response-template"]
+  }
+}

infra/wiremock/mappings/payment-21-confirm-amount-mismatch.json

@@ -0,0 +1,14 @@
+{
+  "priority": 19,
+  "request": {
+    "method": "POST",
+    "urlPath": "/v1/payments/confirm",
+    "headers": { "Authorization": { "equalTo": "Basic dGVzdF9za19kdW1teTo=" } },
+    "bodyPatterns": [ { "matchesJsonPath": "$[?(@.amount == 99999)]" } ]
+  },
+  "response": {
+    "status": 409,
+    "headers": { "Content-Type": "application/json" },
+    "jsonBody": { "code": "AMOUNT_MISMATCH", "message": "amount/orderId mismatch" }
+  }
+}

src/test/java/com/camping/tests/steps/KioskPaymentStepDef.java

@@ -0,0 +1,61 @@
+package com.camping.tests.steps;
+
+import static io.restassured.RestAssured.given;
+import static org.assertj.core.api.Assertions.assertThat;
+
+import io.cucumber.java.PendingException;
+import io.cucumber.java.en.Given;
+import io.cucumber.java.en.Then;
+import io.cucumber.java.en.When;
+import io.restassured.response.Response;
+import java.util.List;
+import java.util.Map;
+import org.apache.http.HttpStatus;
+
+public class KioskPaymentStepDef {
+
+    private int amount;
+    private Response response;
+
+    @Given("결제 금액이 {int}원인 장바구니가 있다")
+    public void 결제금액이원인장바구니가있다(int amount) {
+        this.amount = amount;
+    }
+
+    @When("결제키 {string} 와 주문번호 {string} 로 결제 승인을 요청한다")
+    public void 결제키와주문번호로결제승인을요청한다(String paymentKey, String orderId) {
+        Map<String, Object> body = Map.of(
+                "paymentKey", paymentKey,
+                "orderId",    orderId,
+                "amount",     amount,
+                "items", List.of(Map.of(
+                        "productId", 1,
+                        "quantity", 1,
+                        "lineTotal", amount
+                ))
+        );
+
+        response = given()
+                .contentType("application/json")
+                .body(body)
+                .when().post("http://localhost:8080/api/payments/confirm")
+                .then().extract().response();
+    }
+
+
+    @Then("결제가 성공하며 결제 금액은 {int}원이다")
+    public void 결제가성공하며결제금액은원이다(int expectedAmount) {
+        assertThat(response.statusCode()).isEqualTo(HttpStatus.SC_OK);
+        boolean success = response.jsonPath().getBoolean("success");
+        int paid = response.jsonPath().getInt("paidAmount");
+        assertThat(success).isTrue();
+        assertThat(paid).isEqualTo(expectedAmount);
+    }
+
+    @Then("결제가 실패한다.")
+    public void 결제가실패한다() {
+        assertThat(response.statusCode()).isEqualTo(HttpStatus.SC_OK);
+        boolean success = response.jsonPath().getBoolean("success");
+        assertThat(success).isFalse();
+    }
+}

src/test/resources/features/kiosk-payment.feature

@@ -0,0 +1,11 @@
+Feature: 키오스크 결제 승인 E2E 테스트
+
+  Scenario: 결제 승인을 요청하면 결제가 정상 승인된다.
+    Given 결제 금액이 10000원인 장바구니가 있다
+    When 결제키 "pay_123" 와 주문번호 "ord_123" 로 결제 승인을 요청한다
+    Then 결제가 성공하며 결제 금액은 10000원이다
+
+  Scenario: 결제 승인을 요청하면 결제가 실패한다.
+    Given 결제 금액이 99999원인 장바구니가 있다
+    When 결제키 "pay_fail" 와 주문번호 "ord_fail" 로 결제 승인을 요청한다
+    Then 결제가 실패한다.

src/test/resources/features/kiosk-product.feature

@@ -1,4 +1,4 @@
-Feature: 키오스크 앱 상품 조회
+Feature: 키오스크 앱 상품 조회 E2E 테스트
 
   Scenario: 상품 조회를 요청하면 상품 목록이 잘 조회된다.
     When 키오스크 앱으로 상품 조회 요청을 보낸다