From df1d1f53600731e3604cbd0af182f0776dc62d0b Mon Sep 17 00:00:00 2001
From: viniberaldo <v.a.beraldo@gmail.com>
Date: Sat, 28 Sep 2024 23:13:05 -0300
Subject: [PATCH] Created JUnit tests for Day007.class

---
 days/day007/pom.xml                           | 61 +++++++++++++++++++
 .../ahundreddaysofjava/day007/Day007.java     |  2 +-
 .../ahundreddaysofjava/day007/Day007Test.java | 39 ++++++++++++
 3 files changed, 101 insertions(+), 1 deletion(-)
 create mode 100644 days/day007/src/test/java/com/thegreatapi/ahundreddaysofjava/day007/Day007Test.java

diff --git a/days/day007/pom.xml b/days/day007/pom.xml
index 1d94514..f212836 100644
--- a/days/day007/pom.xml
+++ b/days/day007/pom.xml
@@ -10,6 +10,67 @@
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>day007</artifactId>
+    <name>day007</name>
 
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.release>21</maven.compiler.release>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <artifactId>maven-clean-plugin</artifactId>
+                    <version>3.4.0</version>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-resources-plugin</artifactId>
+                    <version>3.3.1</version>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-compiler-plugin</artifactId>
+                    <version>3.8.0</version>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-surefire-plugin</artifactId>
+                    <version>3.5.0</version>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-jar-plugin</artifactId>
+                    <version>3.4.2</version>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-install-plugin</artifactId>
+                    <version>3.1.3</version>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-deploy-plugin</artifactId>
+                    <version>3.1.3</version>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-site-plugin</artifactId>
+                    <version>3.20.0</version>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-project-info-reports-plugin</artifactId>
+                    <version>3.7.0</version>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+    </build>
 
 </project>
\ No newline at end of file
diff --git a/days/day007/src/main/java/com/thegreatapi/ahundreddaysofjava/day007/Day007.java b/days/day007/src/main/java/com/thegreatapi/ahundreddaysofjava/day007/Day007.java
index 3043d36..d2254b3 100644
--- a/days/day007/src/main/java/com/thegreatapi/ahundreddaysofjava/day007/Day007.java
+++ b/days/day007/src/main/java/com/thegreatapi/ahundreddaysofjava/day007/Day007.java
@@ -8,7 +8,7 @@ public static void main(String[] args) {
         showMessage("Java", "is", "great");
     }
 
-    private static void showMessage(String param1, String param2, String param3) {
+    public static void showMessage(String param1, String param2, String param3) {
         String message = MessageFormat.format("This message contains 3 parameters. The #1 is ''{0}'', the #2 is ''{1}'', and the #3 is ''{2}''.",
                 param1, param2, param3);
         System.out.println(message);
diff --git a/days/day007/src/test/java/com/thegreatapi/ahundreddaysofjava/day007/Day007Test.java b/days/day007/src/test/java/com/thegreatapi/ahundreddaysofjava/day007/Day007Test.java
new file mode 100644
index 0000000..0194cc9
--- /dev/null
+++ b/days/day007/src/test/java/com/thegreatapi/ahundreddaysofjava/day007/Day007Test.java
@@ -0,0 +1,39 @@
+package com.thegreatapi.ahundreddaysofjava.day007;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import org.junit.jupiter.api.AfterEach;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+class Day007Test {
+
+    private final PrintStream standardOut = System.out;
+    private final ByteArrayOutputStream outputStreamCaptor = new ByteArrayOutputStream();
+
+    @BeforeEach
+    public void setUp() {
+        System.setOut(new PrintStream(outputStreamCaptor));
+    }
+
+    @Test
+    void shouldFormatMessageCorrectly() {
+        // Arrange
+        String param1 = "Hello";
+        String param2 = "World";
+        String param3 = "Java";
+
+        // Act
+        Day007.showMessage(param1, param2, param3);
+
+        // Assert
+        String expectedMessage = "This message contains 3 parameters. The #1 is 'Hello', the #2 is 'World', and the #3 is 'Java'.";
+        assertEquals(expectedMessage, outputStreamCaptor.toString().trim());
+    }
+
+    @AfterEach
+    public void tearDown() {
+        System.setOut(standardOut);
+    }
+}