Example #1
0
    def test_projectPathBestCost(self, numPaths=100):
        for _ in range(numPaths):
            childrenDict, startNode = getDtwDag(randint(1, 10), randint(1, 10))
            path = getRandomDagPath(childrenDict, startNode)
            pathCosts = randn(len(path))

            yIndexSeq = dtw.projectPathBestCost(path, pathCosts)

            # (FIXME : code below is not very transparent)
            yIndicesSeq = dtw.projectPathAll(path)
            assert len(yIndexSeq) == len(yIndicesSeq)
            costsSeq = dtw.projectPathAll([
                (i, cost) for (i, j), cost in zip(path, pathCosts)
            ])
            assert len(costsSeq) == len(yIndicesSeq)
            for j, js, costs in zip(yIndexSeq, yIndicesSeq, costsSeq):
                minCost = min(costs)
                assert j in [
                    j2 for j2, cost in zip(js, costs) if cost == minCost
                ]
Example #2
0
    def test_projectPathAll(self, numPaths=100):
        for _ in range(numPaths):
            path = []
            for i in range(randint(1, 6)):
                for _ in range(randint(1, 4)):
                    path.append((i, randint(20)))

            yIndicesSeq = dtw.projectPathAll(path)

            pathAgain = [(i, j) for i, yIndices in enumerate(yIndicesSeq)
                         for j in yIndices]
            assert pathAgain == path
Example #3
0
    def test_projectPathBestCost(self, numPaths=100):
        for _ in range(numPaths):
            childrenDict, startNode = getDtwDag(randint(1, 10), randint(1, 10))
            path = getRandomDagPath(childrenDict, startNode)
            pathCosts = randn(len(path))

            yIndexSeq = dtw.projectPathBestCost(path, pathCosts)

            # (FIXME : code below is not very transparent)
            yIndicesSeq = dtw.projectPathAll(path)
            assert len(yIndexSeq) == len(yIndicesSeq)
            costsSeq = dtw.projectPathAll([
                (i, cost)
                for (i, j), cost in zip(path, pathCosts)
            ])
            assert len(costsSeq) == len(yIndicesSeq)
            for j, js, costs in zip(yIndexSeq, yIndicesSeq, costsSeq):
                minCost = min(costs)
                assert j in [
                    j2
                    for j2, cost in zip(js, costs)
                    if cost == minCost
                ]
Example #4
0
    def test_projectPathAll(self, numPaths=100):
        for _ in range(numPaths):
            path = []
            for i in range(randint(1, 6)):
                for _ in range(randint(1, 4)):
                    path.append((i, randint(20)))

            yIndicesSeq = dtw.projectPathAll(path)

            pathAgain = [
                (i, j)
                for i, yIndices in enumerate(yIndicesSeq)
                for j in yIndices
            ]
            assert pathAgain == path