Add command dispatcher to SQLTester.

FossilOrigin-Name: e0a06931e91459ea43fed2954568bfafa7ad6b794fcff66e0d3bf0ed181db386

ext/jni/src/org/sqlite/jni/tester/SQLTester.java

@@ -1,3 +1,17 @@
+/*
+** 2023-08-08
+**
+** The author disclaims copyright to this source code.  In place of
+** a legal notice, here is a blessing:
+**
+**    May you do good and not evil.
+**    May you find forgiveness for yourself and forgive others.
+**    May you share freely, never taking more than you give.
+**
+*************************************************************************
+** This file contains the main application entry pointer for the
+** SQLTester framework.
+*/
 package org.sqlite.jni.tester;
 import java.util.List;
 import java.util.ArrayList;
@@ -14,6 +28,7 @@ public class SQLTester {
   //! List of input script files.
   private final java.util.List<String> listInFiles = new ArrayList<>();
   private final Outer outer = new Outer();
+  private final StringBuilder inputBuffer = new StringBuilder();
 
   public SQLTester(){
   }
@@ -23,10 +38,15 @@ public class SQLTester {
   }
 
   @SuppressWarnings("unchecked")
-  private <T> void verbose(T... vals){
+  public <T> void verbose(T... vals){
     this.outer.verbose(vals);
   }
 
+  @SuppressWarnings("unchecked")
+  public <T> void outln(T... vals){
+    this.outer.outln(vals);
+  }
+
   //! Adds the given test script to the to-test list.
   public void addTestScript(String filename){
     listInFiles.add(filename);
@@ -36,13 +56,22 @@ public class SQLTester {
   public void runTests() throws Exception {
     // process each input file
     for(String f : listInFiles){
+      this.reset();
       final TestScript ts = new TestScript(f);
       ts.setVerbose(this.outer.getVerbose());
       verbose("Test",ts.getName(),"...");
-      ts.dump();
+      ts.run(this);
     }
   }
 
+  void resetInputBuffer(){
+    this.inputBuffer.delete(0, this.inputBuffer.length());
+  }
+
+  void reset(){
+    this.resetInputBuffer();
+  }
+
   public static void main(String[] argv) throws Exception{
     final SQLTester t = new SQLTester();
     for(String a : argv){
@@ -61,3 +90,43 @@ public class SQLTester {
     t.runTests();
   }
 }
+
+abstract class Command {
+  private SQLTester tester;
+  Command(SQLTester t){tester = t;}
+  public SQLTester getTester(){return tester;}
+
+  public abstract void process(String[] argv, String content);
+}
+
+class NullCommand extends Command {
+  public NullCommand(SQLTester t){super(t);}
+
+  public void process(String[] argv, String content){
+  }
+}
+
+class TestCaseCommand extends Command {
+  public TestCaseCommand(SQLTester t){super(t);}
+
+  public void process(String[] argv, String content){
+  }
+}
+
+class ResultCommand extends Command {
+  public ResultCommand(SQLTester t){super(t);}
+
+  public void process(String[] argv, String content){
+  }
+}
+
+class CommandFactory {
+  static Command getCommandByName(SQLTester t, String name){
+    switch(name){
+      case "null": return new NullCommand(t);
+      case "result": return new ResultCommand(t);
+      case "testcase": return new TestCaseCommand(t);
+      default: return null;
+    }
+  }
+}

ext/jni/src/org/sqlite/jni/tester/TestScript.java

@@ -1,3 +1,16 @@
+/*
+** 2023-08-08
+**
+** The author disclaims copyright to this source code.  In place of
+** a legal notice, here is a blessing:
+**
+**    May you do good and not evil.
+**    May you find forgiveness for yourself and forgive others.
+**    May you share freely, never taking more than you give.
+**
+*************************************************************************
+** This file contains the TestScript part of the SQLTester framework.
+*/
 package org.sqlite.jni.tester;
 import java.util.List;
 import java.util.ArrayList;
@@ -116,15 +129,30 @@ public class TestScript {
     final Matcher m = p.matcher(tmp);
     int ndxPrev = 0, pos = 0;
     String chunk;
+    int i = 0;
+    //verbose("Trimmed content:").verbose(tmp).verbose("<EOF>");
     while( m.find() ){
       pos = m.start();
       chunk = tmp.substring(ndxPrev, pos).trim();
-      if( !chunk.isEmpty() ) rc.add( chunk );
+      if( 0==ndxPrev && pos>ndxPrev ){
+        /* Initial chunk of non-command state. Skip it. */
+        ndxPrev = pos + 2;
+        continue;
+      }
+      if( !chunk.isEmpty() ){
+        ++i;
+        //verbose("CHUNK #"+i,""+ndxPrev,"..",""+pos,chunk);
+        rc.add( chunk );
+      }
       ndxPrev = pos + 2;
     }
-    if( ndxPrev != pos + 2 ){
+    if( ndxPrev < tmp.length() ){
       chunk = tmp.substring(ndxPrev, tmp.length()).trim();
-      if( !chunk.isEmpty() ) rc.add( chunk );
+      if( !chunk.isEmpty() ){
+        ++i;
+        //verbose("CHUNK #"+(++i),chunk);
+        rc.add( chunk );
+      }
     }
     return rc;
   }
@@ -133,16 +161,30 @@ public class TestScript {
      A debug-only function which dumps the content of the test script
      in some form or other (possibly mangled from its original).
   */
-  public void dump(){
+  public void run(SQLTester tester) throws Exception {
     if( null==chunks ){
       verbose("This contains content which forces it to be ignored.");
     }else{
       verbose("script commands:");
       int n = 0;
-      for(String c : chunks){
-        verbose("#"+(++n),c);
+      for(String chunk : chunks){
+        ++n;
+        //verbose("#"+n,c).verbose("<EOF>");
+        String[] parts = chunk.split("\\n", 2);
+        String[] argv = parts[0].split("\\s+");
+        Command cmd = CommandFactory.getCommandByName(tester, argv[0]);
+        verbose("Command #"+n,argv[0],":",
+                (null==cmd ? "null" : cmd.getClass().getName()));
+        if(null == cmd){
+          throw new IllegalArgumentException(
+            "No command handler found for '"+argv[0]+"'"
+          );
+        }
+        if( parts.length > 1 ){
+          verbose(parts[1]).verbose("<EOF>");
+        }
+        cmd.process(argv, parts.length>1 ? parts[1] : null);
       }
-      verbose("<EOF>");
     }
   }
 }

ext/jni/src/tests/000_first.test

@@ -2,6 +2,8 @@
 
 # this line is ignored
 
+junk
+
 --null NULL
 --- also ignored
 --testcase first