add: graphs et rushs

3 files changed, 195 insertions, 0 deletions

diff --git a/graphs/java/test2/src/main/java/fr/epita/assistants/server/MyServer.java b/graphs/java/test2/src/main/java/fr/epita/assistants/server/MyServer.java
new file mode 100644
index 0000000..9a2a213
--- /dev/null
+++ b/graphs/java/test2/src/main/java/fr/epita/assistants/server/MyServer.java
@@ -0,0 +1,42 @@
+package fr.epita.assistants.server;
+
+import com.sun.net.httpserver.HttpServer;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+import static java.net.HttpURLConnection.HTTP_OK;
+
+public class MyServer {
+
+    private static HttpServer server = null;
+    private static ExecutorService executor;
+
+
+    public static void launchServer() throws IOException {
+        server = HttpServer.create(new InetSocketAddress("localhost", 8080), 0);
+        executor = Executors.newFixedThreadPool(10);
+        server.setExecutor(executor);
+        var context = server.createContext("/");
+        context.setHandler((arg) -> {
+            try {
+                Thread.sleep(1500);
+                arg.sendResponseHeaders(HTTP_OK, 0);
+                arg.close();
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+        });
+        server.start();
+    }
+
+
+    public static void stopServer() {
+        if (server == null)
+            return;
+        server.stop(0);
+        executor.shutdownNow();
+    }
+}
diff --git a/graphs/java/test2/src/main/java/fr/epita/assistants/test2/Test2.java b/graphs/java/test2/src/main/java/fr/epita/assistants/test2/Test2.java
new file mode 100644
index 0000000..8427b43
--- /dev/null
+++ b/graphs/java/test2/src/main/java/fr/epita/assistants/test2/Test2.java
@@ -0,0 +1,48 @@
+package fr.epita.assistants.test2;
+
+import java.io.IOException;
+import java.net.HttpURLConnection;
+import java.net.URL;
+
+public class Test2 {
+    /**
+     * Computes the nth value of the tribonacci suite.
+     * f(0) = 0, f(1) = 1, f(2) = 1, f(n+3) = f(n) + f(n+1) + f(n+2)
+     *
+     * @param n the nth sequence to compute
+     */
+    public static long tribonacci(int n) {
+        if (n < 0)
+            throw new IllegalArgumentException("Error: n must be positive");
+
+        if (n == 0)
+            return 0;
+        if (n < 3)
+            return 1;
+
+        long one = 0;
+        long two = 1;
+        long three = 1;
+        long res = 0;
+
+        for (long i = 3; i <= n; i++) {
+            res = one + two + three;
+            one = two;
+            two = three;
+            three = res;
+        }
+
+        return res;
+    }
+
+    public static long serverGetResponseCode() throws IOException {
+        URL url = new URL("http://localhost:8080/");
+        HttpURLConnection con = (HttpURLConnection) url.openConnection();
+        con.setRequestMethod("GET");
+        return con.getResponseCode();
+    }
+
+    public static int division(int a, int b) {
+        return a / b;
+    }
+}
diff --git a/graphs/java/test2/src/test/java/fr/epita/assistants/test2/Test2Test.java b/graphs/java/test2/src/test/java/fr/epita/assistants/test2/Test2Test.java
new file mode 100644
index 0000000..0318dc2
--- /dev/null
+++ b/graphs/java/test2/src/test/java/fr/epita/assistants/test2/Test2Test.java
@@ -0,0 +1,105 @@
+package fr.epita.assistants.test2;
+
+import fr.epita.assistants.server.MyServer;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.Timeout;
+
+import java.io.IOException;
+import java.net.ConnectException;
+
+import static fr.epita.assistants.test2.Test2.*;
+import static org.junit.jupiter.api.Assertions.*;
+
+public class Test2Test {
+    @Test
+    void divPass() {
+        assertEquals(2, division(5, 2));
+    }
+
+    @Test
+    void divFZero() {
+        assertThrows(ArithmeticException.class, () -> division(5, 0));
+    }
+    @Test
+    void divZeroZero() {
+        assertThrows(ArithmeticException.class, () -> division(0, 0));
+    }
+
+    @Test
+    @Timeout(1)
+    void divTimeout() {
+        assertEquals(0, division(0, 2));
+    }
+    @Test
+    @Timeout(1)
+    void divTimeoutFatAss() {
+        assertNotEquals(554468611, division(745343524, 5546344));
+    }
+
+    @Test
+    void divServerPass() throws IOException {
+        MyServer.stopServer();
+        MyServer.launchServer();
+        long actual = serverGetResponseCode();
+        assertEquals(200, actual);
+        MyServer.stopServer();
+    }
+    @Test
+    void divServerSpam() throws IOException {
+        MyServer.stopServer();
+        MyServer.launchServer();
+        long actual = serverGetResponseCode();
+        assertEquals(200, actual);
+        actual = serverGetResponseCode();
+        assertEquals(200, actual);
+        actual = serverGetResponseCode();
+        assertEquals(200, actual);
+        actual = serverGetResponseCode();
+        assertEquals(200, actual);
+        actual = serverGetResponseCode();
+        assertEquals(200, actual);
+        actual = serverGetResponseCode();
+        assertEquals(200, actual);
+        actual = serverGetResponseCode();
+        assertEquals(200, actual);
+
+        MyServer.stopServer();
+    }
+    @Test
+    void divServerNotStarted() {
+        MyServer.stopServer();
+        assertThrows(ConnectException.class, () -> serverGetResponseCode());
+    }
+    @Test
+    @Timeout(1)
+    void divServerTimeout() throws IOException {
+        MyServer.stopServer();
+        MyServer.launchServer();
+        long actual = serverGetResponseCode();
+        assertEquals(200, actual);
+        MyServer.stopServer();
+    }
+    @Test
+    @Timeout(1)
+    void triboFail() {
+        assertThrows(IllegalArgumentException.class, () -> tribonacci(-1));
+    }
+    @Test
+    @Timeout(1)
+    void triboPass() {
+        assertEquals(0, tribonacci(0));
+        assertEquals(1, tribonacci(1));
+        assertEquals(1, tribonacci(2));
+        assertEquals(2, tribonacci(3));
+        assertEquals(4, tribonacci(4));
+        assertEquals(7, tribonacci(5));
+        assertEquals(13, tribonacci(6));
+        assertEquals(1, tribonacci(7));
+        assertEquals(1, tribonacci(8));
+    }
+    @Test
+    @Timeout(1)
+    void triboTime() {
+        assertEquals(-1, tribonacci(Integer.MAX_VALUE));
+    }
+}