Spring Boot 3.5.14 결제 서비스 최소 구현 (1/2) (BAIS-REVIEW-1783807356)

.forge/BAIS-REVIEW-1783807356-attempt-1.md

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+# BAIS-REVIEW-1783807356-attempt-1
+
+Forge 이슈 작업 브랜치 `forge/BAIS-REVIEW-1783807356-attempt-1`.

pom.xml

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+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.klaro.bais</groupId>
+    <artifactId>bais-review-e2e</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+
+    <properties>
+        <java.version>17</java.version>
+        <spring.boot.version>3.5.14</spring.boot.version>
+    </properties>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-dependencies</artifactId>
+                <version>${spring.boot.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>${spring.boot.version}</version>
+            </plugin>
+        </plugins>
+    </build>
+</project>

src/main/java/com/klaro/bais/PaymentService.java

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+package com.klaro.bais;
+
+public class PaymentService {
+
+    public boolean approve(long amount) {
+        return amount > 0;
+    }
+}

src/test/java/com/klaro/bais/PaymentServiceTest.java

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+package com.klaro.bais;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+class PaymentServiceTest {
+
+    private final PaymentService paymentService = new PaymentService();
+
+    @Test
+    void testApprovePositiveAmount() {
+        assertTrue(paymentService.approve(100)); // 100 should be approved
+    }
+
+    @Test
+    void testApproveZeroAmount() {
+        assertFalse(paymentService.approve(0)); // 0 should not be approved
+    }
+
+    @Test
+    void testApproveNegativeAmount() {
+        assertFalse(paymentService.approve(-100)); // Negative should not be approved
+    }
+}