first commit

codemirror/test/driver.js

@@ -0,0 +1,134 @@
+var tests = [], debug = null, debugUsed = new Array(), allNames = [];
+
+function Failure(why) {this.message = why;}
+Failure.prototype.toString = function() { return this.message; };
+
+function indexOf(collection, elt) {
+  if (collection.indexOf) return collection.indexOf(elt);
+  for (var i = 0, e = collection.length; i < e; ++i)
+    if (collection[i] == elt) return i;
+  return -1;
+}
+
+function test(name, run, expectedFail) {
+  // Force unique names
+  var originalName = name;
+  var i = 2; // Second function would be NAME_2
+  while (indexOf(allNames, name) !== -1){
+    name = originalName + "_" + i;
+    i++;
+  }
+  allNames.push(name);
+  // Add test
+  tests.push({name: name, func: run, expectedFail: expectedFail});
+  return name;
+}
+function testCM(name, run, opts, expectedFail) {
+  return test("core_" + name, function() {
+    var place = document.getElementById("testground"), cm = CodeMirror(place, opts);
+    var successful = false;
+    try {
+      run(cm);
+      successful = true;
+    } finally {
+      if ((debug && !successful) || verbose) {
+        place.style.visibility = "visible";
+      } else {
+        place.removeChild(cm.getWrapperElement());
+      }
+    }
+  }, expectedFail);
+}
+
+function runTests(callback) {
+  if (debug) {
+    if (indexOf(debug, "verbose") === 0) {
+      verbose = true;
+      debug.splice(0, 1);
+    }
+    if (debug.length < 1) {
+      debug = null;
+    } else {
+      if (totalTests > debug.length) {
+        totalTests = debug.length;
+      }
+    }
+  }
+  var totalTime = 0;
+  function step(i) {
+    if (i === tests.length){
+      running = false;
+      return callback("done");
+    }
+    var test = tests[i], expFail = test.expectedFail, startTime = +new Date;
+    if (debug !== null) {
+      var debugIndex = indexOf(debug, test.name);
+      if (debugIndex !== -1) {
+        // Remove from array for reporting incorrect tests later
+        debug.splice(debugIndex, 1);
+      } else {
+        var wildcardName = test.name.split("_").shift() + "_*";
+        debugIndex = indexOf(debug, wildcardName);
+        if (debugIndex !== -1) {
+          // Remove from array for reporting incorrect tests later
+          debug.splice(debugIndex, 1);
+          debugUsed.push(wildcardName);
+        } else {
+          debugIndex = indexOf(debugUsed, wildcardName);
+          if (debugIndex !== -1) {
+            totalTests++;
+          } else {
+            return step(i + 1);
+          }
+        }
+      }
+    }
+    var threw = false;
+    try {
+      var message = test.func();
+    } catch(e) {
+      threw = true;
+      if (expFail) callback("expected", test.name);
+      else if (e instanceof Failure) callback("fail", test.name, e.message);
+      else {
+        var pos = /\bat .*?([^\/:]+):(\d+):/.exec(e.stack);
+        callback("error", test.name, e.toString() + (pos ? " (" + pos[1] + ":" + pos[2] + ")" : ""));
+      }
+    }
+    if (!threw) {
+      if (expFail) callback("fail", test.name, message || "expected failure, but succeeded");
+      else callback("ok", test.name, message);
+    }
+    if (!quit) { // Run next test
+      var delay = 0;
+      totalTime += (+new Date) - startTime;
+      if (totalTime > 500){
+        totalTime = 0;
+        delay = 50;
+      }
+      setTimeout(function(){step(i + 1);}, delay);
+    } else { // Quit tests
+      running = false;
+      return null;
+    }
+  }
+  step(0);
+}
+
+function label(str, msg) {
+  if (msg) return str + " (" + msg + ")";
+  return str;
+}
+function eq(a, b, msg) {
+  if (a != b) throw new Failure(label(a + " != " + b, msg));
+}
+function eqPos(a, b, msg) {
+  function str(p) { return "{line:" + p.line + ",ch:" + p.ch + "}"; }
+  if (a == b) return;
+  if (a == null) throw new Failure(label("comparing null to " + str(b)));
+  if (b == null) throw new Failure(label("comparing " + str(a) + " to null"));
+  if (a.line != b.line || a.ch != b.ch) throw new Failure(label(str(a) + " != " + str(b), msg));
+}
+function is(a, msg) {
+  if (!a) throw new Failure(label("assertion failed", msg));
+}