Merge common async/sync expectation stuff

src/core/Expector.js

@@ -0,0 +1,80 @@
+getJasmineRequireObj().Expector = function(j$) {
+  function Expector(options) {
+    this.util = options.util || { buildFailureMessage: function() {} };
+    this.customEqualityTesters = options.customEqualityTesters || [];
+    this.actual = options.actual;
+    this.addExpectationResult = options.addExpectationResult || function(){};
+    this.filters = new j$.ExpectationFilterChain();
+  }
+
+  Expector.prototype.instantiateMatcher = function(matcherName, matcherFactory, args) {
+    this.matcherName = matcherName;
+    this.args = Array.prototype.slice.call(args, 0);
+    this.expected = this.args.slice(0);
+
+    this.args.unshift(this.actual);
+
+    var matcher = matcherFactory(this.util, this.customEqualityTesters);
+    var comparisonFunc = this.filters.selectComparisonFunc(matcher);
+    return comparisonFunc || matcher.compare;
+  };
+
+  Expector.prototype.buildMessage = function(result) {
+    var self = this;
+
+    if (result.pass) {
+      return '';
+    }
+
+    var msg = this.filters.buildFailureMessage(result, this.matcherName, this.args, this.util, defaultMessage);
+    return this.filters.modifyFailureMessage(msg || defaultMessage());
+
+    function defaultMessage() {
+      if (!result.message) {
+        var args = self.args.slice();
+        args.unshift(false);
+        args.unshift(self.matcherName);
+        return self.util.buildFailureMessage.apply(null, args);
+      } else if (j$.isFunction_(result.message)) {
+        return result.message();
+      } else {
+        return result.message;
+      }
+    }
+  };
+
+  Expector.prototype.compare = function(matcherName, matcherFactory, args) {
+    var matcherCompare = this.instantiateMatcher(matcherName, matcherFactory, args);
+    return matcherCompare.apply(null, this.args);
+  };
+
+  Expector.prototype.addFilter = function(filter) {
+    var result = Object.create(this);
+    result.filters = this.filters.addFilter(filter);
+    return result;
+  };
+
+  Expector.prototype.processResult = function(result, errorForStack, actualOverride) {
+    this.args[0] = actualOverride || this.args[0];
+    var message = this.buildMessage(result);
+
+    if (this.expected.length === 1) {
+      this.expected = this.expected[0];
+    }
+
+    this.addExpectationResult(
+      result.pass,
+      {
+        matcherName: this.matcherName,
+        passed: result.pass,
+        message: message,
+        error: errorForStack ? undefined : result.error,
+        errorForStack: errorForStack || undefined,
+        actual: this.actual,
+        expected: this.expected // TODO: this may need to be arrayified/sliced
+      }
+    );
+  };
+
+  return Expector;
+};