Remove many small, obsolete, old browser hacks

[mirror_novnc.git] / tests / assertions.js

diff --git a/tests/assertions.js b/tests/assertions.js
index 92b11d1f112c7b41c12a24c6176f915afeeb9910..c33c81ec531ebdbad558252ee6a72c5caeb26b35 100644 (file)
--- a/tests/assertions.js
+++ b/tests/assertions.js
@@ -1,24 +1,102 @@
-// some useful assertions for noVNC
+// noVNC specific assertions
 chai.use(function (_chai, utils) {
-    _chai.Assertion.addMethod('displayed', function (target_data) {
-        var obj = this._obj;
-        var data_cl = obj._drawCtx.getImageData(0, 0, obj._viewportLoc.w, obj._viewportLoc.h).data;
-        // NB(directxman12): PhantomJS 1.x doesn't implement Uint8ClampedArray, so work around that
-        var data = new Uint8Array(data_cl);
-        this.assert(utils.eql(data, target_data),
-            "expected #{this} to have displayed the image #{exp}, but instead it displayed #{act}",
-            "expected #{this} not to have displayed the image #{act}",
-            target_data,
-            data);
+    function _equal(a, b) {
+        return a === b;
+    }
+    _chai.Assertion.addMethod('displayed', function (targetData, cmp=_equal) {
+        const obj = this._obj;
+        const ctx = obj._target.getContext('2d');
+        const data = ctx.getImageData(0, 0, obj._target.width, obj._target.height).data;
+        const len = data.length;
+        new chai.Assertion(len).to.be.equal(targetData.length, "unexpected display size");
+        let same = true;
+        for (let i = 0; i < len; i++) {
+            if (!cmp(data[i], targetData[i])) {
+                same = false;
+                break;
+            }
+        }
+        if (!same) {
+            // eslint-disable-next-line no-console
+            console.log("expected data: %o, actual data: %o", targetData, data);
+        }
+        this.assert(same,
+                    "expected #{this} to have displayed the image #{exp}, but instead it displayed #{act}",
+                    "expected #{this} not to have displayed the image #{act}",
+                    targetData,
+                    data);
     });
 
-    _chai.Assertion.addMethod('sent', function (target_data) {
-        var obj = this._obj;
-        var data = obj._websocket._get_sent_data();
-        this.assert(utils.eql(data, target_data),
-            "expected #{this} to have sent the data #{exp}, but it actually sent #{act}",
-            "expected #{this} not to have sent the data #{act}",
-            target_data,
-            data);
+    _chai.Assertion.addMethod('sent', function (targetData) {
+        const obj = this._obj;
+        obj.inspect = () => {
+            const res = { _websocket: obj._websocket, rQi: obj._rQi, _rQ: new Uint8Array(obj._rQ.buffer, 0, obj._rQlen),
+                          _sQ: new Uint8Array(obj._sQ.buffer, 0, obj._sQlen) };
+            res.prototype = obj;
+            return res;
+        };
+        const data = obj._websocket._getSentData();
+        let same = true;
+        if (data.length != targetData.length) {
+            same = false;
+        } else {
+            for (let i = 0; i < data.length; i++) {
+                if (data[i] != targetData[i]) {
+                    same = false;
+                    break;
+                }
+            }
+        }
+        if (!same) {
+            // eslint-disable-next-line no-console
+            console.log("expected data: %o, actual data: %o", targetData, data);
+        }
+        this.assert(same,
+                    "expected #{this} to have sent the data #{exp}, but it actually sent #{act}",
+                    "expected #{this} not to have sent the data #{act}",
+                    Array.prototype.slice.call(targetData),
+                    Array.prototype.slice.call(data));
+    });
+
+    _chai.Assertion.addProperty('array', function () {
+        utils.flag(this, 'array', true);
+    });
+
+    _chai.Assertion.overwriteMethod('equal', function (_super) {
+        return function assertArrayEqual(target) {
+            if (utils.flag(this, 'array')) {
+                const obj = this._obj;
+
+                let same = true;
+
+                if (utils.flag(this, 'deep')) {
+                    for (let i = 0; i < obj.length; i++) {
+                        if (!utils.eql(obj[i], target[i])) {
+                            same = false;
+                            break;
+                        }
+                    }
+
+                    this.assert(same,
+                                "expected #{this} to have elements deeply equal to #{exp}",
+                                "expected #{this} not to have elements deeply equal to #{exp}",
+                                Array.prototype.slice.call(target));
+                } else {
+                    for (let i = 0; i < obj.length; i++) {
+                        if (obj[i] != target[i]) {
+                            same = false;
+                            break;
+                        }
+                    }
+
+                    this.assert(same,
+                                "expected #{this} to have elements equal to #{exp}",
+                                "expected #{this} not to have elements equal to #{exp}",
+                                Array.prototype.slice.call(target));
+                }
+            } else {
+                _super.apply(this, arguments);
+            }
+        };
     });
 });