| 1 | # These tests are auto-generated with test data from: | |
| 2 | # https://github.com/exercism/problem-specifications/tree/main/exercises/dot-dsl/canonical-data.json | |
| 3 | # File last updated on 2023-07-19 | |
| 4 | ||
| 5 | import unittest | |
| 6 | ||
| 7 | from main import ( | |
| 8 | Graph, | |
| 9 | Node, | |
| 10 | Edge, | |
| 11 | NODE, | |
| 12 | EDGE, | |
| 13 | ATTR | |
| 14 | ) | |
| 15 | ||
| 16 | ||
| 17 | class DotDslTest(unittest.TestCase): | |
| 18 | def test_empty_graph(self): | |
| 19 | g = Graph() | |
| 20 | self.assertEqual(g.nodes, []) | |
| 21 | self.assertEqual(g.edges, []) | |
| 22 | self.assertEqual(g.attrs, {}) | |
| 23 | ||
| 24 | def test_graph_with_one_node(self): | |
| 25 | g = Graph([ | |
| 26 | (NODE, "a", {}) | |
| 27 | ]) | |
| 28 | self.assertEqual(g.nodes, [Node("a", {})]) | |
| 29 | self.assertEqual(g.edges, []) | |
| 30 | self.assertEqual(g.attrs, {}) | |
| 31 | ||
| 32 | def test_graph_with_one_node_with_keywords(self): | |
| 33 | g = Graph([ | |
| 34 | (NODE, "a", {"color": "green"}) | |
| 35 | ]) | |
| 36 | self.assertEqual(g.nodes, [Node("a", {"color": "green"})]) | |
| 37 | self.assertEqual(g.edges, []) | |
| 38 | self.assertEqual(g.attrs, {}) | |
| 39 | ||
| 40 | def test_graph_with_one_edge(self): | |
| 41 | g = Graph([ | |
| 42 | (EDGE, "a", "b", {}) | |
| 43 | ]) | |
| 44 | self.assertEqual(g.nodes, []) | |
| 45 | self.assertEqual(g.edges, [Edge("a", "b", {})]) | |
| 46 | self.assertEqual(g.attrs, {}) | |
| 47 | ||
| 48 | def test_graph_with_one_attribute(self): | |
| 49 | g = Graph([ | |
| 50 | (ATTR, "foo", "1") | |
| 51 | ]) | |
| 52 | self.assertEqual(g.nodes, []) | |
| 53 | self.assertEqual(g.edges, []) | |
| 54 | self.assertEqual(g.attrs, {"foo": "1"}) | |
| 55 | ||
| 56 | def test_graph_with_attributes(self): | |
| 57 | g = Graph([ | |
| 58 | (ATTR, "foo", "1"), | |
| 59 | (ATTR, "title", "Testing Attrs"), | |
| 60 | (NODE, "a", {"color": "green"}), | |
| 61 | (NODE, "c", {}), | |
| 62 | (NODE, "b", {"label": "Beta!"}), | |
| 63 | (EDGE, "b", "c", {}), | |
| 64 | (EDGE, "a", "b", {"color": "blue"}), | |
| 65 | (ATTR, "bar", "true") | |
| 66 | ]) | |
| 67 | self.assertEqual(g.nodes, [ | |
| 68 | Node("a", {"color": "green"}), | |
| 69 | Node("c", {}), | |
| 70 | Node("b", {"label": "Beta!"}) | |
| 71 | ]) | |
| 72 | self.assertEqual(g.edges, [ | |
| 73 | Edge("b", "c", {}), | |
| 74 | Edge("a", "b", {"color": "blue"}) | |
| 75 | ]) | |
| 76 | self.assertEqual(g.attrs, { | |
| 77 | "foo": "1", | |
| 78 | "title": "Testing Attrs", | |
| 79 | "bar": "true" | |
| 80 | }) | |
| 81 | ||
| 82 | def test_malformed_graph(self): | |
| 83 | with self.assertRaises(TypeError) as err: | |
| 84 | Graph(1) | |
| 85 | self.assertEqual(type(err.exception), TypeError) | |
| 86 | self.assertEqual(err.exception.args[0], "Graph data malformed") | |
| 87 | ||
| 88 | def test_malformed_graph_item_tuple_too_short(self): | |
| 89 | with self.assertRaises(TypeError) as err: | |
| 90 | Graph([ | |
| 91 | () | |
| 92 | ]) | |
| 93 | self.assertEqual(type(err.exception), TypeError) | |
| 94 | self.assertEqual(err.exception.args[0], "Graph item incomplete") | |
| 95 | ||
| 96 | with self.assertRaises(TypeError) as err: | |
| 97 | Graph([ | |
| 98 | (ATTR, "a") | |
| 99 | ]) | |
| 100 | self.assertEqual(type(err.exception), TypeError) | |
| 101 | self.assertEqual(err.exception.args[0], "Graph item incomplete") | |
| 102 | ||
| 103 | with self.assertRaises(TypeError) as err: | |
| 104 | Graph([ | |
| 105 | (NODE, "a") | |
| 106 | ]) | |
| 107 | self.assertEqual(type(err.exception), TypeError) | |
| 108 | self.assertEqual(err.exception.args[0], "Graph item incomplete") | |
| 109 | ||
| 110 | with self.assertRaises(TypeError) as err: | |
| 111 | Graph([ | |
| 112 | (EDGE, "a", "b") | |
| 113 | ]) | |
| 114 | self.assertEqual(type(err.exception), TypeError) | |
| 115 | self.assertEqual(err.exception.args[0], "Graph item incomplete") | |
| 116 | ||
| 117 | def test_malformed_graph_item_tuple_too_long(self): | |
| 118 | with self.assertRaises(TypeError) as err: | |
| 119 | Graph([ | |
| 120 | (ATTR, "a", "b", "c") | |
| 121 | ]) | |
| 122 | self.assertEqual(type(err.exception), TypeError) | |
| 123 | self.assertEqual(err.exception.args[0], "Graph item invalid") | |
| 124 | ||
| 125 | with self.assertRaises(TypeError) as err: | |
| 126 | Graph([ | |
| 127 | (NODE, "a", {}, "c") | |
| 128 | ]) | |
| 129 | self.assertEqual(type(err.exception), TypeError) | |
| 130 | self.assertEqual(err.exception.args[0], "Graph item invalid") | |
| 131 | ||
| 132 | with self.assertRaises(TypeError) as err: | |
| 133 | Graph([ | |
| 134 | (EDGE, "a", "b", {}, "c") | |
| 135 | ]) | |
| 136 | self.assertEqual(type(err.exception), TypeError) | |
| 137 | self.assertEqual(err.exception.args[0], "Graph item invalid") | |
| 138 | ||
| 139 | def test_malformed_attr(self): | |
| 140 | with self.assertRaises(ValueError) as err: | |
| 141 | Graph([ | |
| 142 | (ATTR, "foo", 1) | |
| 143 | ]) | |
| 144 | self.assertEqual(type(err.exception), ValueError) | |
| 145 | self.assertEqual(err.exception.args[0], "Attribute is malformed") | |
| 146 | ||
| 147 | def test_malformed_node(self): | |
| 148 | with self.assertRaises(ValueError) as err: | |
| 149 | Graph([ | |
| 150 | (NODE, 1, {}) | |
| 151 | ]) | |
| 152 | self.assertEqual(type(err.exception), ValueError) | |
| 153 | self.assertEqual(err.exception.args[0], "Node is malformed") | |
| 154 | ||
| 155 | with self.assertRaises(ValueError) as err: | |
| 156 | Graph([ | |
| 157 | (NODE, "a", 1) | |
| 158 | ]) | |
| 159 | self.assertEqual(type(err.exception), ValueError) | |
| 160 | self.assertEqual(err.exception.args[0], "Node is malformed") | |
| 161 | ||
| 162 | def test_malformed_edge(self): | |
| 163 | with self.assertRaises(ValueError) as err: | |
| 164 | Graph([ | |
| 165 | (EDGE, 1, "b", {}) | |
| 166 | ]) | |
| 167 | self.assertEqual(type(err.exception), ValueError) | |
| 168 | self.assertEqual(err.exception.args[0], "Edge is malformed") | |
| 169 | ||
| 170 | with self.assertRaises(ValueError) as err: | |
| 171 | Graph([ | |
| 172 | (EDGE, "a", 1, {}) | |
| 173 | ]) | |
| 174 | self.assertEqual(type(err.exception), ValueError) | |
| 175 | self.assertEqual(err.exception.args[0], "Edge is malformed") | |
| 176 | ||
| 177 | with self.assertRaises(ValueError) as err: | |
| 178 | Graph([ | |
| 179 | (EDGE, "a", "b", 1) | |
| 180 | ]) | |
| 181 | self.assertEqual(type(err.exception), ValueError) | |
| 182 | self.assertEqual(err.exception.args[0], "Edge is malformed") | |
| 183 | ||
| 184 | def test_unknown_item(self): | |
| 185 | with self.assertRaises(ValueError) as err: | |
| 186 | Graph([ | |
| 187 | (99, "a", {}) | |
| 188 | ]) | |
| 189 | self.assertEqual(type(err.exception), ValueError) | |
| 190 | self.assertEqual(err.exception.args[0], "Unknown item") | |
| 191 | ||
| 192 | ||
| 193 | if __name__ == "__main__": | |
| 194 | unittest.main() |
| Test Name | Status |
|---|---|
test_malformed_EDGE | Fail |
test_empty_graph | Pass |
test_graph_with_attributes | Pass |
test_graph_with_one_attribute | Pass |
test_graph_with_one_edge | Pass |
test_graph_with_one_node | Pass |
test_graph_with_one_node_with_keywords | Pass |
test_malformed_attr | Skip |
test_malformed_graph | Skip |
test_malformed_graph_item | Skip |
test_malformed_node | Skip |
test_unknown_item | Skip |
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