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Diffstat (limited to 'test/test_graphviz.lua')
| -rw-r--r-- | test/test_graphviz.lua | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/test_graphviz.lua b/test/test_graphviz.lua new file mode 100644 index 0000000..f0f15b2 --- /dev/null +++ b/test/test_graphviz.lua @@ -0,0 +1,38 @@ +require 'totem' +require 'graph' +require 'torch' +local tester = totem.Tester() +local tests = {} + +function tests.layout() + local g = graph.Graph() + local root = graph.Node(10) + local n1 = graph.Node(1) + local n2 = graph.Node(2) + g:add(graph.Edge(root, n1)) + g:add(graph.Edge(n1, n2)) + + local positions = graph.graphvizLayout(g, 'dot') + local xs = positions:select(2, 1) + local ys = positions:select(2, 2) + tester:assertlt(xs:add(-xs:mean()):norm(), 1e-3, + "x coordinates should be the same") + tester:assertTensorEq(ys, torch.sort(ys, true), 1e-3, + "y coordinates should be ordered") +end + + +function tests.testDotEscape() + tester:assert(graph._dotEscape('red') == 'red', 'Don\'t escape single words') + tester:assert(graph._dotEscape('My label') == '"My label"', + 'Use quotes for spaces') + tester:assert(graph._dotEscape('Non[an') == '"Non[an"', + 'Use quotes for non-alpha characters') + tester:assert(graph._dotEscape('My\nnewline') == '"My\\nnewline"', + 'Escape newlines') + tester:assert(graph._dotEscape('Say "hello"') == '"Say \\"hello\\""', + 'Escape quotes') +end + + +return tester:add(tests):run() |