added audioplayer contrib module

2017-11-25 16:05:32 +01:00
parent ff23c45e43
commit 0942e9a212
174 changed files with 21682 additions and 0 deletions
@@ -0,0 +1,108 @@
+import PeakCache from '../src/peakcache';
+
+describe('PeakCache:', function() {
+    var peakcache;
+    var test_length = 200;
+    var test_length2 = 300;
+    var test_start = 50;
+    var test_end = 100;
+    var test_start2 = 100;
+    var test_end2 = 120;
+    var test_start3 = 120;
+    var test_end3 = 150;
+
+    var window_size = 20;
+
+    function __createPeakCache() {
+        peakcache = new PeakCache();
+    }
+
+    beforeEach(function (done) {
+        __createPeakCache();
+        done();
+    });
+
+    /** @test {PeakCache#addRangeToPeakCache} */
+    it('empty cache returns full range', function() {
+        var newranges = peakcache.addRangeToPeakCache(test_length, test_start, test_end);
+        expect(newranges.length).toEqual(1);
+        expect(newranges[0][0]).toEqual(test_start);
+        expect(newranges[0][1]).toEqual(test_end);
+    });
+
+    /** @test {PeakCache#addRangeToPeakCache} */
+    it('different length clears cache', function() {
+        peakcache.addRangeToPeakCache(test_length, test_start, test_end);
+        var newranges = peakcache.addRangeToPeakCache(test_length2, test_start, test_end);
+        expect(newranges.length).toEqual(1);
+        expect(newranges[0][0]).toEqual(test_start);
+        expect(newranges[0][1]).toEqual(test_end);
+    });
+
+    /** @test {PeakCache#addRangeToPeakCache} */
+    it('consecutive calls return no ranges', function() {
+        peakcache.addRangeToPeakCache(test_length, test_start, test_end);
+        var newranges = peakcache.addRangeToPeakCache(test_length, test_start, test_end);
+        expect(newranges.length).toEqual(0);
+    });
+
+    /** @test {PeakCache#addRangeToPeakCache} */
+    it('sliding window returns window sized range', function() {
+        var newranges = peakcache.addRangeToPeakCache(test_length, test_start, test_end);
+        expect(newranges.length).toEqual(1);
+        expect(newranges[0][0]).toEqual(test_start);
+        expect(newranges[0][1]).toEqual(test_end);
+        var newranges = peakcache.addRangeToPeakCache(test_length, test_start + window_size, test_end + window_size);
+        expect(newranges.length).toEqual(1);
+        expect(newranges[0][0]).toEqual(test_end);
+        expect(newranges[0][1]).toEqual(test_end + window_size);
+        var newranges = peakcache.addRangeToPeakCache(test_length, test_start + window_size * 2, test_end + window_size * 2);
+        expect(newranges.length).toEqual(1);
+        expect(newranges[0][0]).toEqual(test_end + window_size);
+        expect(newranges[0][1]).toEqual(test_end + window_size * 2);
+    });
+
+    /** @test {PeakCache#addRangeToPeakCache} */
+    /** @test {PeakCache#getCacheRanges} */
+    it('disjoint set creates two ranges', function() {
+        peakcache.addRangeToPeakCache(test_length, test_start, test_end);
+        peakcache.addRangeToPeakCache(test_length, test_start3, test_end3);
+        var ranges = peakcache.getCacheRanges();
+        expect(ranges.length).toEqual(2);
+        expect(ranges[0][0]).toEqual(test_start);
+        expect(ranges[0][1]).toEqual(test_end);
+        expect(ranges[1][0]).toEqual(test_start3);
+        expect(ranges[1][1]).toEqual(test_end3);
+    });
+
+    /** @test {PeakCache#addRangeToPeakCache} */
+    /** @test {PeakCache#getCacheRanges} */
+    it('filling in disjoint sets coalesces', function() {
+        peakcache.addRangeToPeakCache(test_length, test_start, test_end);
+        peakcache.addRangeToPeakCache(test_length, test_start3, test_end3);
+        var newranges = peakcache.addRangeToPeakCache(test_length, test_start, test_end3);
+        expect(newranges.length).toEqual(1);
+        expect(newranges[0][0]).toEqual(test_end);
+        expect(newranges[0][1]).toEqual(test_start3);
+        var ranges = peakcache.getCacheRanges();
+        expect(ranges.length).toEqual(1);
+        expect(ranges[0][0]).toEqual(test_start);
+        expect(ranges[0][1]).toEqual(test_end3);
+    });
+
+    /** @test {PeakCache#addRangeToPeakCache} */
+    /** @test {PeakCache#getCacheRanges} */
+    it('filling in disjoint sets coalesces / edge cases', function() {
+        peakcache.addRangeToPeakCache(test_length, test_start, test_end);
+        peakcache.addRangeToPeakCache(test_length, test_start3, test_end3);
+        var newranges = peakcache.addRangeToPeakCache(test_length, test_start2, test_end2);
+        expect(newranges.length).toEqual(1);
+        expect(newranges[0][0]).toEqual(test_end);
+        expect(newranges[0][1]).toEqual(test_start3);
+        var ranges = peakcache.getCacheRanges();
+        expect(ranges.length).toEqual(1);
+        expect(ranges[0][0]).toEqual(test_start);
+        expect(ranges[0][1]).toEqual(test_end3);
+    });
+
+});