Fix test so as not to depend on the class path.

cojen · Sep 18, 2024 · 9515de1 · 9515de1
1 parent a48c008
commit 9515de1
Showing 1 changed file with 43 additions and 17 deletions.
diff --git a/src/test/java/org/cojen/tupl/core/OpenTest.java b/src/test/java/org/cojen/tupl/core/OpenTest.java
@@ -18,12 +18,15 @@
 package org.cojen.tupl.core;
 
 import java.io.File;
+import java.io.FileWriter;
 
 import org.junit.*;
 import static org.junit.Assert.*;
 
 import org.cojen.tupl.*;
 
+import org.cojen.tupl.io.Utils;
+
 import static org.cojen.tupl.TestUtils.*;
 
 /**
@@ -33,27 +36,51 @@
  */
 public class OpenTest {
     public static void main(String[] args) throws Exception {
-        if (args.length == 0) {
-            org.junit.runner.JUnitCore.main(OpenTest.class.getName());
-            return;
-        }
+        org.junit.runner.JUnitCore.main(OpenTest.class.getName());
+    }
 
-        boolean readOnly = false;
+    private static String sourceFile;
 
-        if (args.length > 1 && args[1].equals("r")) {
-            readOnly = true;
-        }
+    @BeforeClass
+    public static void createSourceFile() throws Exception {
+        String src = """
+            import org.cojen.tupl.*;
+
+            public class Test {
+                public static void main(String[] args) throws Exception {
+                    boolean readOnly = false;
+
+                    if (args.length > 1 && args[1].equals("r")) {
+                        readOnly = true;
+                    }
+
+                    var config = new DatabaseConfig().baseFilePath(args[0]).readOnly(readOnly);
 
-        var config = new DatabaseConfig().baseFilePath(args[0]).readOnly(readOnly);
+                    Database db = Database.open(config);
+                    System.out.println(readOnly ? "r" : "w");
 
-        Database db = Database.open(config);
-        System.out.println(readOnly ? "r" : "w");
+                    for (int i=0; i<Integer.MAX_VALUE; i++) {
+                        Thread.sleep(9999999999999L);
+                    }
 
-        for (int i=0; i<Integer.MAX_VALUE; i++) {
-            Thread.sleep(9999999999999L);
+                    System.out.println(db);
+                }
+            }
+        """;
+
+        File file = new File(newTempBaseFile(OpenTest.class) + ".java");
+        sourceFile = file.getPath();
+
+        try (var writer = new FileWriter(file)) {
+            writer.write(src);
         }
+    }
 
-        System.out.println(db);
+    @AfterClass
+    public static void deleteSourceFile() throws Exception {
+        if (sourceFile != null) {
+            Utils.delete(new File(sourceFile));
+        }
     }
 
     @After
@@ -90,7 +117,7 @@ public void openTwiceDifferentProcess() throws Exception {
         File baseFile = baseFileForTempDatabase(getClass(), db);
         db.close();
 
-        Process p = new ProcessBuilder("java", getClass().getName(), baseFile.getPath()).start();
+        Process p = new ProcessBuilder("java", sourceFile, baseFile.getPath()).start();
 
         int c = p.getInputStream().read();
         assertEquals('w', c);
@@ -148,8 +175,7 @@ public void openReadOnlyDifferentProcess() throws Exception {
         db.checkpoint();
         db.close();
 
-        Process p = new ProcessBuilder
-            ("java", getClass().getName(), baseFile.getPath(), "r").start();
+        Process p = new ProcessBuilder("java", sourceFile, baseFile.getPath(), "r").start();
 
         try {
             int c = p.getInputStream().read();