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| author | littleblack111 <littleblack11111@gmail.com> | 2026-05-18 23:10:59 +0800 |
|---|---|---|
| committer | littleblack111 <littleblack11111@gmail.com> | 2026-05-18 23:41:44 +0800 |
| commit | fc87c009806dcc98867f6b58efe29b042aa01dee (patch) | |
| tree | 8f59b3f4a5b66e9dfef2d40c8d318e258a521228 /node_modules/dependency-graph/specs | |
| parent | 3336b2356ee6152d9c6ae59bd9b87ccbc0958407 (diff) | |
node: updatemain
Diffstat (limited to 'node_modules/dependency-graph/specs')
| -rwxr-xr-x | node_modules/dependency-graph/specs/dep_graph_spec.js | 542 |
1 files changed, 0 insertions, 542 deletions
diff --git a/node_modules/dependency-graph/specs/dep_graph_spec.js b/node_modules/dependency-graph/specs/dep_graph_spec.js deleted file mode 100755 index 07aa68e5..00000000 --- a/node_modules/dependency-graph/specs/dep_graph_spec.js +++ /dev/null @@ -1,542 +0,0 @@ -var dep_graph = require("../lib/dep_graph"); -var DepGraph = dep_graph.DepGraph; - -describe("DepGraph", function () { - it("should be able to add/remove nodes", function () { - var graph = new DepGraph(); - - graph.addNode("Foo"); - graph.addNode("Bar"); - - expect(graph.hasNode("Foo")).toBeTrue(); - expect(graph.hasNode("Bar")).toBeTrue(); - expect(graph.hasNode("NotThere")).toBeFalse(); - - graph.removeNode("Bar"); - - expect(graph.hasNode("Bar")).toBeFalse(); - }); - - it("should calculate its size", function () { - var graph = new DepGraph(); - - expect(graph.size()).toBe(0); - - graph.addNode("Foo"); - graph.addNode("Bar"); - - expect(graph.size()).toBe(2); - - graph.removeNode("Bar"); - - expect(graph.size()).toBe(1); - }); - - it("should treat the node data parameter as optional and use the node name as data if node data was not given", function () { - var graph = new DepGraph(); - - graph.addNode("Foo"); - - expect(graph.getNodeData("Foo")).toBe("Foo"); - }); - - it("should be able to associate a node name with data on node add", function () { - var graph = new DepGraph(); - - graph.addNode("Foo", "data"); - - expect(graph.getNodeData("Foo")).toBe("data"); - }); - - it("should be able to add undefined as node data", function () { - var graph = new DepGraph(); - - graph.addNode("Foo", undefined); - - expect(graph.getNodeData("Foo")).toBeUndefined(); - }); - - it("should return true when using hasNode with a node which has falsy data", function () { - var graph = new DepGraph(); - - var falsyData = ["", 0, null, undefined, false]; - graph.addNode("Foo"); - - falsyData.forEach(function (data) { - graph.setNodeData("Foo", data); - - expect(graph.hasNode("Foo")).toBeTrue(); - - // Just an extra check to make sure that the saved data is correct - expect(graph.getNodeData("Foo")).toBe(data); - }); - }); - - it("should be able to set data after a node was added", function () { - var graph = new DepGraph(); - - graph.addNode("Foo", "data"); - graph.setNodeData("Foo", "data2"); - - expect(graph.getNodeData("Foo")).toBe("data2"); - }); - - it("should throw an error if we try to set data for a non-existing node", function () { - var graph = new DepGraph(); - - expect(function () { - graph.setNodeData("Foo", "data"); - }).toThrow(new Error("Node does not exist: Foo")); - }); - - it("should throw an error if the node does not exists and we try to get data", function () { - var graph = new DepGraph(); - - expect(function () { - graph.getNodeData("Foo"); - }).toThrow(new Error("Node does not exist: Foo")); - }); - - it("should do nothing if creating a node that already exists", function () { - var graph = new DepGraph(); - - graph.addNode("a"); - graph.addNode("b"); - - graph.addDependency("a", "b"); - - graph.addNode("a"); - - expect(graph.dependenciesOf("a")).toEqual(["b"]); - }); - - it("should do nothing if removing a node that does not exist", function () { - var graph = new DepGraph(); - - graph.addNode("a"); - expect(graph.hasNode("a")).toBeTrue(); - - graph.removeNode("a"); - expect(graph.hasNode("Foo")).toBeFalse(); - - graph.removeNode("a"); - expect(graph.hasNode("Foo")).toBeFalse(); - }); - - it("should be able to add dependencies between nodes", function () { - var graph = new DepGraph(); - - graph.addNode("a"); - graph.addNode("b"); - graph.addNode("c"); - - graph.addDependency("a", "b"); - graph.addDependency("a", "c"); - - expect(graph.dependenciesOf("a")).toEqual(["b", "c"]); - }); - - it("should find entry nodes", function () { - var graph = new DepGraph(); - - graph.addNode("a"); - graph.addNode("b"); - graph.addNode("c"); - - graph.addDependency("a", "b"); - graph.addDependency("a", "c"); - - expect(graph.entryNodes()).toEqual(["a"]); - }); - - it("should throw an error if a node does not exist and a dependency is added", function () { - var graph = new DepGraph(); - - graph.addNode("a"); - - expect(function () { - graph.addDependency("a", "b"); - }).toThrow(new Error("Node does not exist: b")); - }); - - it("should detect cycles", function () { - var graph = new DepGraph(); - - graph.addNode("a"); - graph.addNode("b"); - graph.addNode("c"); - graph.addNode("d"); - - graph.addDependency("a", "b"); - graph.addDependency("b", "c"); - graph.addDependency("c", "a"); - graph.addDependency("d", "a"); - - expect(function () { - graph.dependenciesOf("b"); - }).toThrow(new dep_graph.DepGraphCycleError(["b", "c", "a", "b"])); - }); - - it("should allow cycles when configured", function () { - var graph = new DepGraph({ circular: true }); - - graph.addNode("a"); - graph.addNode("b"); - graph.addNode("c"); - graph.addNode("d"); - - graph.addDependency("a", "b"); - graph.addDependency("b", "c"); - graph.addDependency("c", "a"); - graph.addDependency("d", "a"); - - expect(graph.dependenciesOf("b")).toEqual(["a", "c"]); - expect(graph.overallOrder()).toEqual(["c", "b", "a", "d"]); - }); - - it( - "should include all nodes in overall order even from " + - "cycles in disconnected subgraphs when circular is true", - function () { - var graph = new DepGraph({ circular: true }); - - graph.addNode("2a"); - graph.addNode("2b"); - graph.addNode("2c"); - graph.addDependency("2a", "2b"); - graph.addDependency("2b", "2c"); - graph.addDependency("2c", "2a"); - - graph.addNode("1a"); - graph.addNode("1b"); - graph.addNode("1c"); - graph.addNode("1d"); - graph.addNode("1e"); - - graph.addDependency("1a", "1b"); - graph.addDependency("1a", "1c"); - graph.addDependency("1b", "1c"); - graph.addDependency("1c", "1d"); - - expect(graph.overallOrder()).toEqual([ - "1d", - "1c", - "1b", - "1a", - "1e", - "2c", - "2b", - "2a" - ]); - } - ); - - it("should detect cycles in overall order", function () { - var graph = new DepGraph(); - - graph.addNode("a"); - graph.addNode("b"); - graph.addNode("c"); - graph.addNode("d"); - - graph.addDependency("a", "b"); - graph.addDependency("b", "c"); - graph.addDependency("c", "a"); - graph.addDependency("d", "a"); - - expect(function () { - graph.overallOrder(); - }).toThrow(new dep_graph.DepGraphCycleError(["a", "b", "c", "a"])); - }); - - it("should detect cycles in overall order when all nodes have dependants (incoming edges)", function () { - var graph = new DepGraph(); - - graph.addNode("a"); - graph.addNode("b"); - graph.addNode("c"); - - graph.addDependency("a", "b"); - graph.addDependency("b", "c"); - graph.addDependency("c", "a"); - - expect(function () { - graph.overallOrder(); - }).toThrow(new dep_graph.DepGraphCycleError(["a", "b", "c", "a"])); - }); - - it( - "should detect cycles in overall order when there are several " + - "disconnected subgraphs (with one that does not have a cycle", - function () { - var graph = new DepGraph(); - - graph.addNode("a_1"); - graph.addNode("a_2"); - graph.addNode("b_1"); - graph.addNode("b_2"); - graph.addNode("b_3"); - - graph.addDependency("a_1", "a_2"); - graph.addDependency("b_1", "b_2"); - graph.addDependency("b_2", "b_3"); - graph.addDependency("b_3", "b_1"); - - expect(function () { - graph.overallOrder(); - }).toThrow( - new dep_graph.DepGraphCycleError(["b_1", "b_2", "b_3", "b_1"]) - ); - } - ); - - it("should retrieve dependencies and dependants in the correct order", function () { - var graph = new DepGraph(); - - graph.addNode("a"); - graph.addNode("b"); - graph.addNode("c"); - graph.addNode("d"); - - graph.addDependency("a", "d"); - graph.addDependency("a", "b"); - graph.addDependency("b", "c"); - graph.addDependency("d", "b"); - - expect(graph.dependenciesOf("a")).toEqual(["c", "b", "d"]); - expect(graph.dependenciesOf("b")).toEqual(["c"]); - expect(graph.dependenciesOf("c")).toEqual([]); - expect(graph.dependenciesOf("d")).toEqual(["c", "b"]); - - expect(graph.dependantsOf("a")).toEqual([]); - expect(graph.dependantsOf("b")).toEqual(["a", "d"]); - expect(graph.dependantsOf("c")).toEqual(["a", "d", "b"]); - expect(graph.dependantsOf("d")).toEqual(["a"]); - - // check the alias "dependentsOf" - expect(graph.dependentsOf("a")).toEqual([]); - expect(graph.dependentsOf("b")).toEqual(["a", "d"]); - expect(graph.dependentsOf("c")).toEqual(["a", "d", "b"]); - expect(graph.dependentsOf("d")).toEqual(["a"]); - }); - - it("should be able to retrieve direct dependencies/dependants", function () { - var graph = new DepGraph(); - - graph.addNode("a"); - graph.addNode("b"); - graph.addNode("c"); - graph.addNode("d"); - - graph.addDependency("a", "d"); - graph.addDependency("a", "b"); - graph.addDependency("b", "c"); - graph.addDependency("d", "b"); - - expect(graph.directDependenciesOf("a")).toEqual(["d", "b"]); - expect(graph.directDependenciesOf("b")).toEqual(["c"]); - expect(graph.directDependenciesOf("c")).toEqual([]); - expect(graph.directDependenciesOf("d")).toEqual(["b"]); - - expect(graph.directDependantsOf("a")).toEqual([]); - expect(graph.directDependantsOf("b")).toEqual(["a", "d"]); - expect(graph.directDependantsOf("c")).toEqual(["b"]); - expect(graph.directDependantsOf("d")).toEqual(["a"]); - - // check the alias "directDependentsOf" - expect(graph.directDependentsOf("a")).toEqual([]); - expect(graph.directDependentsOf("b")).toEqual(["a", "d"]); - expect(graph.directDependentsOf("c")).toEqual(["b"]); - expect(graph.directDependentsOf("d")).toEqual(["a"]); - }); - - it("should be able to resolve the overall order of things", function () { - var graph = new DepGraph(); - - graph.addNode("a"); - graph.addNode("b"); - graph.addNode("c"); - graph.addNode("d"); - graph.addNode("e"); - - graph.addDependency("a", "b"); - graph.addDependency("a", "c"); - graph.addDependency("b", "c"); - graph.addDependency("c", "d"); - - expect(graph.overallOrder()).toEqual(["d", "c", "b", "a", "e"]); - }); - - it('should be able to only retrieve the "leaves" in the overall order', function () { - var graph = new DepGraph(); - - graph.addNode("a"); - graph.addNode("b"); - graph.addNode("c"); - graph.addNode("d"); - graph.addNode("e"); - - graph.addDependency("a", "b"); - graph.addDependency("a", "c"); - graph.addDependency("b", "c"); - graph.addDependency("c", "d"); - - expect(graph.overallOrder(true)).toEqual(["d", "e"]); - }); - - it("should be able to give the overall order for a graph with several disconnected subgraphs", function () { - var graph = new DepGraph(); - - graph.addNode("a_1"); - graph.addNode("a_2"); - graph.addNode("b_1"); - graph.addNode("b_2"); - graph.addNode("b_3"); - - graph.addDependency("a_1", "a_2"); - graph.addDependency("b_1", "b_2"); - graph.addDependency("b_2", "b_3"); - - expect(graph.overallOrder()).toEqual(["a_2", "a_1", "b_3", "b_2", "b_1"]); - }); - - it("should give an empty overall order for an empty graph", function () { - var graph = new DepGraph(); - - expect(graph.overallOrder()).toEqual([]); - }); - - it("should still work after nodes are removed", function () { - var graph = new DepGraph(); - - graph.addNode("a"); - graph.addNode("b"); - graph.addNode("c"); - graph.addDependency("a", "b"); - graph.addDependency("b", "c"); - - expect(graph.dependenciesOf("a")).toEqual(["c", "b"]); - - graph.removeNode("c"); - - expect(graph.dependenciesOf("a")).toEqual(["b"]); - }); - - it("should clone an empty graph", function () { - var graph = new DepGraph(); - expect(graph.size()).toEqual(0); - var cloned = graph.clone(); - expect(cloned.size()).toEqual(0); - - expect(graph === cloned).toBeFalse(); - }); - - it("should clone a non-empty graph", function () { - var graph = new DepGraph(); - - graph.addNode("a"); - graph.addNode("b"); - graph.addNode("c"); - graph.addDependency("a", "b"); - graph.addDependency("b", "c"); - - var cloned = graph.clone(); - - expect(graph === cloned).toBeFalse(); - expect(cloned.hasNode("a")).toBeTrue(); - expect(cloned.hasNode("b")).toBeTrue(); - expect(cloned.hasNode("c")).toBeTrue(); - expect(cloned.dependenciesOf("a")).toEqual(["c", "b"]); - expect(cloned.dependantsOf("c")).toEqual(["a", "b"]); - - // Changes to the original graph shouldn't affect the clone - graph.removeNode("c"); - expect(graph.dependenciesOf("a")).toEqual(["b"]); - expect(cloned.dependenciesOf("a")).toEqual(["c", "b"]); - - graph.addNode("d"); - graph.addDependency("b", "d"); - expect(graph.dependenciesOf("a")).toEqual(["d", "b"]); - expect(cloned.dependenciesOf("a")).toEqual(["c", "b"]); - }); - - it("should only be a shallow clone", function () { - var graph = new DepGraph(); - - var data = { a: 42 }; - graph.addNode("a", data); - - var cloned = graph.clone(); - expect(graph === cloned).toBeFalse(); - expect(graph.getNodeData("a") === cloned.getNodeData("a")).toBeTrue(); - - graph.getNodeData("a").a = 43; - expect(cloned.getNodeData("a").a).toBe(43); - - cloned.setNodeData("a", { a: 42 }); - expect(cloned.getNodeData("a").a).toBe(42); - expect(graph.getNodeData("a") === cloned.getNodeData("a")).toBeFalse(); - }); -}); - -describe("DepGraph Performance", function () { - it("should not exceed max call stack with a very deep graph", function () { - var g = new DepGraph(); - var expected = []; - for (var i = 0; i < 100000; i++) { - var istr = i.toString(); - g.addNode(istr); - expected.push(istr); - if (i > 0) { - g.addDependency(istr, (i - 1).toString()); - } - } - var order = g.overallOrder(); - expect(order).toEqual(expected); - }); - - it("should run an a reasonable amount of time for a very large graph", function () { - var randInt = function (min, max) { - return Math.floor(Math.random() * (max - min + 1)) + min; - }; - var g = new DepGraph(); - var nodes = []; - // Create a graph with 100000 nodes in it with 10 random connections to - // lower numbered nodes - for (var i = 0; i < 100000; i++) { - nodes.push(i.toString()); - g.addNode(i.toString()); - for (var j = 0; j < 10; j++) { - var dep = randInt(0, i); - if (i !== dep) { - g.addDependency(i.toString(), dep.toString()); - } - } - } - var start = new Date().getTime(); - g.overallOrder(); - var end = new Date().getTime(); - expect(start - end).toBeLessThan(1000); - }); -}); - -describe("DepGraphCycleError", function () { - var DepGraphCycleError = dep_graph.DepGraphCycleError; - - it("should have a message", function () { - var err = new DepGraphCycleError(["a", "b", "c", "a"]); - expect(err.message).toEqual("Dependency Cycle Found: a -> b -> c -> a"); - }); - - it("should be an instanceof DepGraphCycleError", function () { - var err = new DepGraphCycleError(["a", "b", "c", "a"]); - expect(err instanceof DepGraphCycleError).toBeTrue(); - expect(err instanceof Error).toBeTrue(); - }); - - it("should have a cyclePath", function () { - var cyclePath = ["a", "b", "c", "a"]; - var err = new DepGraphCycleError(cyclePath); - expect(err.cyclePath).toEqual(cyclePath); - }); -}); |
