rt/flow/src/test/java/org/apidesign/bck2brwsr/flow/TestVM.java
branchflow
changeset 1815 fbe883b5a793
parent 1812 4fef6b767f61
child 1817 c1fd23f4e0ae
     1.1 --- a/rt/flow/src/test/java/org/apidesign/bck2brwsr/flow/TestVM.java	Wed Mar 11 18:58:39 2015 +0100
     1.2 +++ b/rt/flow/src/test/java/org/apidesign/bck2brwsr/flow/TestVM.java	Thu Mar 12 12:07:54 2015 +0100
     1.3 @@ -42,16 +42,15 @@
     1.4  import static org.testng.Assert.*;
     1.5  
     1.6  public final class TestVM {
     1.7 -    private final Invocable code;
     1.8 +    private final ScriptEngine js;
     1.9 +    private Invocable code;
    1.10      private final CharSequence codeSeq;
    1.11 -    private final Object bck2brwsr;
    1.12 +    private Object bck2brwsr;
    1.13      
    1.14      
    1.15 -    private TestVM(Invocable code, CharSequence codeSeq) throws ScriptException, NoSuchMethodException {
    1.16 -        this.code = code;
    1.17 +    private TestVM(ScriptEngine js, CharSequence codeSeq) throws ScriptException, NoSuchMethodException {
    1.18 +        this.js = js;
    1.19          this.codeSeq = codeSeq;
    1.20 -        this.bck2brwsr = ((ScriptEngine)code).eval("bck2brwsr(function(n) { return loader.get(n); })");
    1.21 -        ((ScriptEngine)code).getContext().setAttribute("loader", this, ScriptContext.ENGINE_SCOPE);
    1.22      }
    1.23      
    1.24      public Object execCode(
    1.25 @@ -60,11 +59,11 @@
    1.26      ) throws Exception {
    1.27          Object ret = null;
    1.28          try {
    1.29 -            ret = code.invokeMethod(bck2brwsr, "loadClass", clazz.getName());
    1.30 +            ret = getCode().invokeMethod(bck2brwsr, "loadClass", clazz.getName());
    1.31              List<Object> ma = new ArrayList<Object>();
    1.32              ma.add(method);
    1.33              ma.addAll(Arrays.asList(args));
    1.34 -            ret = code.invokeMethod(ret, "invoke", ma.toArray());
    1.35 +            ret = getCode().invokeMethod(ret, "invoke", ma.toArray());
    1.36          } catch (ScriptException ex) {
    1.37              fail("Execution failed in " + dumpJS(codeSeq) + ": " + ex.getMessage(), ex);
    1.38          } catch (NoSuchMethodException ex) {
    1.39 @@ -80,11 +79,11 @@
    1.40              // in case of Long it is necessary convert it to number
    1.41              // since the Long is represented by two numbers in JavaScript
    1.42              try {
    1.43 -                final Object toFP = ((ScriptEngine)code).eval("Number.prototype.toFP");
    1.44 +                final Object toFP = ((ScriptEngine)getCode()).eval("Number.prototype.toFP");
    1.45                  if (ret instanceof Long) {
    1.46 -                    ret = code.invokeMethod(toFP, "call", ret);
    1.47 +                    ret = getCode().invokeMethod(toFP, "call", ret);
    1.48                  }
    1.49 -                ret = code.invokeFunction("Number", ret);
    1.50 +                ret = getCode().invokeFunction("Number", ret);
    1.51              } catch (ScriptException ex) {
    1.52                  fail("Conversion to number failed in " + dumpJS(codeSeq) + ": " + ex.getMessage(), ex);
    1.53              } catch (NoSuchMethodException ex) {
    1.54 @@ -144,96 +143,7 @@
    1.55              eng[0] = js;
    1.56          }
    1.57          try {
    1.58 -            Object res = js.eval(sb.toString());
    1.59 -            assertTrue(js instanceof Invocable, "It is invocable object: " + res);
    1.60 -            return new TestVM((Invocable) js, sb);
    1.61 -        } catch (Exception ex) {
    1.62 -            if (sb.length() > 2000) {
    1.63 -                sb = dumpJS(sb);
    1.64 -            }
    1.65 -            fail("Could not evaluate:" + ex.getClass() + ":" + ex.getMessage() + "\n" + sb, ex);
    1.66 -            return null;
    1.67 -        }
    1.68 -    }
    1.69 -    
    1.70 -    static TestVM compileClassAsExtension(
    1.71 -        StringBuilder sb, ScriptEngine[] eng, 
    1.72 -        String name, final String resourceName, final String resourceContent
    1.73 -    ) throws ScriptException, IOException {
    1.74 -        return compileClassesAsExtension(sb, eng, resourceName, resourceContent, name);
    1.75 -    }
    1.76 -    static TestVM compileClassesAsExtension(
    1.77 -        StringBuilder sb, ScriptEngine[] eng, 
    1.78 -        final String resourceName, final String resourceContent, String... names
    1.79 -    ) throws ScriptException, IOException {
    1.80 -        if (sb == null) {
    1.81 -            sb = new StringBuilder();
    1.82 -        }
    1.83 -        if (eng[0] == null) {
    1.84 -            ScriptEngineManager sem = new ScriptEngineManager();
    1.85 -            ScriptEngine js = sem.getEngineByExtension("js");
    1.86 -            eng[0] = js;
    1.87 -            Bck2Brwsr.newCompiler().resources(new EmulationResources())
    1.88 -                .obfuscation(ObfuscationLevel.NONE).generate(sb);
    1.89 -        }
    1.90 -        Set<String> exp = new HashSet<String>();
    1.91 -        for (String n : names) {
    1.92 -            int last = n.lastIndexOf('/');
    1.93 -            exp.add(n.substring(0, last + 1));
    1.94 -        }
    1.95 -        Bck2Brwsr b2b = Bck2Brwsr.newCompiler().
    1.96 -            resources(new EmulationResources() {
    1.97 -                @Override
    1.98 -                public InputStream get(String name) throws IOException {
    1.99 -                    if (name.equals(resourceName)) {
   1.100 -                        return new ByteArrayInputStream(resourceContent.getBytes("UTF-8"));
   1.101 -                    }
   1.102 -                    return super.get(name);
   1.103 -                }
   1.104 -            }).
   1.105 -            addClasses(names).
   1.106 -            addResources("org/apidesign/vm4brwsr/obj.js").
   1.107 -            addExported(exp.toArray(new String[0])).
   1.108 -            obfuscation(ObfuscationLevel.FULL).
   1.109 -            library();
   1.110 -        if (resourceName != null) {
   1.111 -            b2b = b2b.addResources(resourceName);
   1.112 -        }
   1.113 -        b2b.generate(sb);
   1.114 -        try {
   1.115 -            defineAtoB(eng[0]);
   1.116 -            Object res = eng[0].eval(sb.toString());
   1.117 -            assertTrue(eng[0] instanceof Invocable, "It is invocable object: " + res);
   1.118 -            return new TestVM((Invocable) eng[0], sb);
   1.119 -        } catch (Exception ex) {
   1.120 -            if (sb.length() > 2000) {
   1.121 -                sb = dumpJS(sb);
   1.122 -            }
   1.123 -            fail("Could not evaluate:" + ex.getClass() + ":" + ex.getMessage() + "\n" + sb, ex);
   1.124 -            return null;
   1.125 -        }
   1.126 -    }
   1.127 -    
   1.128 -    static TestVM compileClassAndResources(StringBuilder sb, ScriptEngine[] eng, String name, String... resources) throws ScriptException, IOException {
   1.129 -        if (sb == null) {
   1.130 -            sb = new StringBuilder();
   1.131 -        }
   1.132 -        Bck2Brwsr b2b = Bck2Brwsr.newCompiler().
   1.133 -            resources(new EmulationResources()).
   1.134 -            addRootClasses(name).
   1.135 -            addResources(resources);
   1.136 -        b2b.generate(sb);
   1.137 -        ScriptEngineManager sem = new ScriptEngineManager();
   1.138 -        ScriptEngine js = sem.getEngineByExtension("js");
   1.139 -        if (eng != null) {
   1.140 -            eng[0] = js;
   1.141 -        }
   1.142 -        try {
   1.143 -            defineAtoB(js);
   1.144 -            
   1.145 -            Object res = js.eval(sb.toString());
   1.146 -            assertTrue(js instanceof Invocable, "It is invocable object: " + res);
   1.147 -            return new TestVM((Invocable) js, sb);
   1.148 +            return new TestVM(js, sb);
   1.149          } catch (Exception ex) {
   1.150              if (sb.length() > 2000) {
   1.151                  sb = dumpJS(sb);
   1.152 @@ -243,20 +153,16 @@
   1.153          }
   1.154      }
   1.155  
   1.156 -    private static void defineAtoB(ScriptEngine js) throws ScriptException {
   1.157 -        js.eval("atob = function(s) { return new String(org.apidesign.vm4brwsr.ResourcesTest.parseBase64Binary(s)); }");
   1.158 -    }
   1.159 -
   1.160      Object loadClass(String loadClass, String name) throws ScriptException, NoSuchMethodException {
   1.161 -        return code.invokeMethod(bck2brwsr, "loadClass", LoopControl.class.getName());
   1.162 +        return getCode().invokeMethod(bck2brwsr, "loadClass", LoopControl.class.getName());
   1.163      }
   1.164      
   1.165      Object invokeMethod(Object obj, String method, Object... params) throws ScriptException, NoSuchMethodException {
   1.166 -        return code.invokeMethod(obj, method, params);
   1.167 +        return getCode().invokeMethod(obj, method, params);
   1.168      }
   1.169  
   1.170      Object invokeFunction(String methodName, Object... args) throws ScriptException, NoSuchMethodException {
   1.171 -        return code.invokeFunction(methodName, args);
   1.172 +        return getCode().invokeFunction(methodName, args);
   1.173      }
   1.174  
   1.175      static StringBuilder dumpJS(CharSequence sb) throws IOException {
   1.176 @@ -279,6 +185,19 @@
   1.177      final CharSequence codeSeq() {
   1.178          return codeSeq;
   1.179      }
   1.180 +
   1.181 +    /**
   1.182 +     * @return the code
   1.183 +     */
   1.184 +    private Invocable getCode() throws ScriptException {
   1.185 +        if (code == null) {
   1.186 +            Object res = js.eval(code.toString());
   1.187 +            code = (Invocable) js;
   1.188 +            this.bck2brwsr = ((ScriptEngine)code).eval("bck2brwsr(function(n) { return loader.get(n); })");
   1.189 +            ((ScriptEngine)code).getContext().setAttribute("loader", this, ScriptContext.ENGINE_SCOPE);
   1.190 +        }
   1.191 +        return (Invocable)code;
   1.192 +    }
   1.193      
   1.194      private static class EmulationResources implements Bck2Brwsr.Resources {
   1.195          @Override