chore: use deterministic app ports in integration tests (#677)

Author: fushar

judgels-backends/judgels-server-app/src/integTest/java/judgels/BaseJudgelsApiIntegrationTests.java

@@ -12,11 +12,14 @@
 import com.google.common.io.RecursiveDeleteOption;
 import com.palantir.websecurity.WebSecurityConfiguration;
 import io.dropwizard.db.DataSourceFactory;
+import io.dropwizard.jetty.HttpConnectorFactory;
+import io.dropwizard.server.DefaultServerFactory;
 import io.dropwizard.testing.DropwizardTestSupport;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.time.Instant;
+import java.util.List;
 import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -136,7 +139,19 @@ static void startApp() throws Exception {
                 jophielConfig,
                 sandalphonConfig,
                 urielConfig,
-                jerahmeelConfig);
+                jerahmeelConfig) {
+            {
+                DefaultServerFactory serverFactory = (DefaultServerFactory) getServerFactory();
+
+                HttpConnectorFactory appConnector = new HttpConnectorFactory();
+                appConnector.setPort(9090);
+                serverFactory.setApplicationConnectors(List.of(appConnector));
+
+                HttpConnectorFactory adminConnector = new HttpConnectorFactory();
+                adminConnector.setPort(9091);
+                serverFactory.setAdminConnectors(List.of(adminConnector));
+            }
+        };
 
         support = new DropwizardTestSupport<>(JudgelsServerApplication.class, config);
         support.before();
@@ -171,9 +186,11 @@ protected static WebTarget createWebTarget() {
     }
 
     protected static <T> T createClient(Class<T> clientClass) {
-        return FeignClients.create(
-                clientClass,
-                "http://localhost:" + support.getLocalPort());
+        return FeignClients.create(clientClass, getLocalUrl());
+    }
+
+    protected static String getLocalUrl() {
+        return "http://localhost:" + support.getLocalPort();
     }
 
     protected static void assertPermitted(ThrowingCallable callable) {

judgels-backends/judgels-server-app/src/integTest/java/judgels/uriel/api/ContestProblemApiIntegrationTests.java

@@ -162,7 +162,7 @@ void get_programming_problem_worksheet() {
                 .worksheet(new ProblemWorksheet.Builder()
                         .statement(new ProblemStatement.Builder()
                                 .title("Problem 1")
-                                .text("Statement 1. <img src=\"http://localhost:8080/api/v2/problems/" + problem1.getJid() + "/render/image.png\"/>")
+                                .text("Statement 1. <img src=\"" + getLocalUrl() + "/api/v2/problems/" + problem1.getJid() + "/render/image.png\"/>")
                                 .build())
                         .limits(new ProblemLimits.Builder()
                                 .timeLimit(2000)
@@ -253,15 +253,15 @@ void get_bundle_problem_worksheet() {
                         .worksheet(new judgels.sandalphon.api.problem.bundle.ProblemWorksheet.Builder()
                                 .statement(new ProblemStatement.Builder()
                                         .title("Problem 3")
-                                        .text("Statement 3. <img src=\"http://localhost:8080/api/v2/problems/" + problem3.getJid() + "/render/image.png\"/>")
+                                        .text("Statement 3. <img src=\"" + getLocalUrl() + "/api/v2/problems/" + problem3.getJid() + "/render/image.png\"/>")
                                         .build())
                                 .addItems(
                                         new Item.Builder()
                                                 .jid(item1Jid)
                                                 .type(ItemType.STATEMENT)
                                                 .meta("1-2")
                                                 .config(new StatementItemConfig.Builder()
-                                                        .statement("<p>STATEMENT 1-2</p> <img src=\"http://localhost:8080/api/v2/problems/" + problem3.getJid() + "/render/statement.png\"/>")
+                                                        .statement("<p>STATEMENT 1-2</p> <img src=\"" + getLocalUrl() + "/api/v2/problems/" + problem3.getJid() + "/render/statement.png\"/>")
                                                         .build())
                                                 .build(),
                                         new Item.Builder()
@@ -276,7 +276,7 @@ void get_bundle_problem_worksheet() {
                                                         .addChoices(
                                                                 new MultipleChoiceItemConfig.Choice.Builder()
                                                                         .alias("a")
-                                                                        .content("answer a <img src=\"http://localhost:8080/api/v2/problems/" + problem3.getJid() + "/render/a.png\"/>")
+                                                                        .content("answer a <img src=\"" + getLocalUrl() + "/api/v2/problems/" + problem3.getJid() + "/render/a.png\"/>")
                                                                         .build(),
                                                                 new MultipleChoiceItemConfig.Choice.Builder()
                                                                         .alias("b")