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author | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
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committer | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
commit | 13d05bc8458758ee39cb829098241e89616717ee (patch) | |
tree | 22a4d1ce65f15952f07a3df5af4b462b4697cb3a /framework/src/onos/web/gui/src/main/webapp/tests/app/fw/util/random-spec.js | |
parent | 6139282e1e93c2322076de4b91b1c85d0bc4a8b3 (diff) |
ONOS checkin based on commit tag e796610b1f721d02f9b0e213cf6f7790c10ecd60
Change-Id: Ife8810491034fe7becdba75dda20de4267bd15cd
Diffstat (limited to 'framework/src/onos/web/gui/src/main/webapp/tests/app/fw/util/random-spec.js')
-rw-r--r-- | framework/src/onos/web/gui/src/main/webapp/tests/app/fw/util/random-spec.js | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/framework/src/onos/web/gui/src/main/webapp/tests/app/fw/util/random-spec.js b/framework/src/onos/web/gui/src/main/webapp/tests/app/fw/util/random-spec.js new file mode 100644 index 00000000..c4c61f1a --- /dev/null +++ b/framework/src/onos/web/gui/src/main/webapp/tests/app/fw/util/random-spec.js @@ -0,0 +1,110 @@ +/* + * Copyright 2014,2015 Open Networking Laboratory + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* + ONOS GUI -- Util -- Random Service - Unit Tests + */ +describe('factory: fw/util/random.js', function() { + var rnd, $log, fs; + + beforeEach(module('onosUtil')); + + beforeEach(inject(function (RandomService, _$log_, FnService) { + rnd = RandomService; + $log = _$log_; + fs = FnService; + })); + + // interesting use of a custom matcher... + beforeEach(function () { + jasmine.addMatchers({ + toBeWithinOf: function () { + return { + compare: function (actual, distance, base) { + var lower = base - distance, + upper = base + distance, + result = {}; + + result.pass = Math.abs(actual - base) <= distance; + + if (result.pass) { + // for negation with ".not" + result.message = 'Expected ' + actual + + ' to be outside ' + lower + ' and ' + + upper + ' (inclusive)'; + } else { + result.message = 'Expected ' + actual + + ' to be between ' + lower + ' and ' + + upper + ' (inclusive)'; + } + return result; + } + } + } + }); + }); + + it('should define RandomService', function () { + expect(rnd).toBeDefined(); + }); + + it('should define api functions', function () { + expect(fs.areFunctions(rnd, [ + 'spread', 'randDim' + ])).toBeTruthy(); + }); + + // really, can only do this heuristically.. hope this doesn't break + it('should spread results across the range', function () { + var load = 1000, + s = 12, + low = 0, + high = 0, + i, res, + which = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], + minCount = load / s * 0.5; // generous error + + for (i=0; i<load; i++) { + res = rnd.spread(s); + if (res < low) low = res; + if (res > high) high = res; + which[res + s/2]++; + } + expect(low).toBe(-6); + expect(high).toBe(5); + + // check we got a good number of hits in each bucket + for (i=0; i<s; i++) { + expect(which[i]).toBeGreaterThan(minCount); + } + }); + + // really, can only do this heuristically.. hope this doesn't break + it('should choose results across the dimension', function () { + var load = 1000, + dim = 100, + low = 999, + high = 0, + i, res; + + for (i=0; i<load; i++) { + res = rnd.randDim(dim); + if (res < low) low = res; + if (res > high) high = res; + expect(res).toBeWithinOf(36, 50); + } + }); +}); |