Make tests runnable under node

test/driver.js

@@ -1,58 +1,61 @@
-var tests = [];
+(function(exports) {
+  var tests = [];
+  var acorn = typeof require == "undefined" ? window.acorn : require("../acorn.js");
 
-function test(code, ast, options) {
-  tests.push({code: code, ast: ast, options: options});
-}
-function testFail(code, message, options) {
-  tests.push({code: code, error: message, options: options});
-}
+  exports.test = function(code, ast, options) {
+    tests.push({code: code, ast: ast, options: options});
+  };
+  exports.testFail = function(code, message, options) {
+    tests.push({code: code, error: message, options: options});
+  };
 
-function runTests(callback) {
-  var opts = {linePositions: true};
-  for (var i = 0; i < tests.length; ++i) {
-    var test = tests[i];
-    try {
-      var ast = acorn.parse(test.code, test.options || opts);
-      if (test.error) callback("fail", test.code,
-                               "Expected error message: " + test.error + "\nBut parsing succeeded.");
-      else {
-        var mis = misMatch(test.ast, ast);
-        if (!mis) callback("ok", test.code);
-        else callback("fail", test.code, mis);
+  exports.runTests = function(callback) {
+    var opts = {linePositions: true};
+    for (var i = 0; i < tests.length; ++i) {
+      var test = tests[i];
+      try {
+        var ast = acorn.parse(test.code, test.options || opts);
+        if (test.error) callback("fail", test.code,
+                                 "Expected error message: " + test.error + "\nBut parsing succeeded.");
+        else {
+          var mis = misMatch(test.ast, ast);
+          if (!mis) callback("ok", test.code);
+          else callback("fail", test.code, mis);
+        }
+      } catch(e) {
+        if (test.error && e instanceof SyntaxError) {
+          if (e.message == test.error) callback("ok", test.code);
+          else callback("fail", test.code,
+                        "Expected error message: " + test.error + "\nGot error message: " + e.message);
+        } else {
+          callback("error", test.code, e.message || e.toString());
+        }
       }
-    } catch(e) {
-      if (test.error && e instanceof SyntaxError) {
-        if (e.message == test.error) callback("ok", test.code);
-        else callback("fail", test.code,
-                      "Expected error message: " + test.error + "\nGot error message: " + e.message);
-      } else {
-        callback("error", test.code, e.message || e.toString());
+    }
+  };
+
+  function ppJSON(v) { return JSON.stringify(v, null, 2); }
+  function addPath(str, pt) {
+    if (str.charAt(str.length-1) == ")")
+      return str.slice(0, str.length-1) + "/" + pt + ")";
+    return str + " (" + pt + ")";
+  }
+
+  function misMatch(exp, act) {
+    if (!exp || !act || (typeof exp != "object") || (typeof act != "object")) {
+      if (exp !== act) return ppJSON(exp) + " !== " + ppJSON(act);
+    } else if (exp.splice) {
+      if (!act.slice) return ppJSON(exp) + " != " + ppJSON(act);
+      if (act.length != exp.length) return "array length mismatch " + exp.length + " != " + act.length;
+      for (var i = 0; i < act.length; ++i) {
+        var mis = misMatch(exp[i], act[i]);
+        if (mis) return addPath(mis, i);
+      }
+    } else {
+      for (var prop in exp) {
+        var mis = misMatch(exp[prop], act[prop]);
+        if (mis) return addPath(mis, prop);
       }
     }
   }
-}
-
-function ppJSON(v) { return JSON.stringify(v, null, 2); }
-function addPath(str, pt) {
-  if (str.charAt(str.length-1) == ")")
-    return str.slice(0, str.length-1) + "/" + pt + ")";
-  return str + " (" + pt + ")";
-}
-
-function misMatch(exp, act) {
-  if (!exp || !act || (typeof exp != "object") || (typeof act != "object")) {
-    if (exp !== act) return ppJSON(exp) + " !== " + ppJSON(act);
-  } else if (exp.splice) {
-    if (!act.slice) return ppJSON(exp) + " != " + ppJSON(act);
-    if (act.length != exp.length) return "array length mismatch " + exp.length + " != " + act.length;
-    for (var i = 0; i < act.length; ++i) {
-      var mis = misMatch(exp[i], act[i]);
-      if (mis) return addPath(mis, i);
-    }
-  } else {
-    for (var prop in exp) {
-      var mis = misMatch(exp[prop], act[prop]);
-      if (mis) return addPath(mis, prop);
-    }
-  }
-}
+})(typeof exports == "undefined" ? window : exports);

test/run.js

@@ -0,0 +1,14 @@
+var driver = require("./driver.js");
+require("./tests.js");
+
+var testsRun = 0, failed = 0;
+function report(state, code, message) {
+  if (state != "ok") {++failed; console.log(code, message);}
+  ++testsRun;
+}
+
+var t0 = +new Date;
+driver.runTests(report);
+console.log(testsRun + " tests run in " + (+new Date - t0) + "ms");
+if (failed) console.log(failed + " failures.");
+else console.log("All passed.");

test/tests.js

@@ -1,6 +1,11 @@
 // Tests largely based on those of Esprima
 // (http://esprima.org/test/)
 
+if (typeof exports != "undefined") {
+  var test = require("./driver.js").test;
+  var testFail = require("./driver.js").testFail;
+}
+
 test("this\n", {
   type: "Program",
   start: {