Jackson Morgan
9 months ago
parent
637a517b4b
commit
665511f2f0
@ -1,19 +1,152 @@ |
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import { BrokenAvatarTransformer } from "./AvatarBrokenTransformer"; |
import type { |
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import { AvatarErroringTransformer } from "./AvatarErroringTransformer"; |
TraverserDefinitions, |
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import { aang } from "./sampleData"; |
ValidateTraverserTypes, |
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} from "../../../src"; |
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import { InstanceGraph } from "../../../src/instanceGraph/instanceGraph"; |
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describe("Avatar", () => { |
describe("AvatarExample", () => { |
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it("Throws an error before entering an infinite loop", async () => { |
/** |
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await expect( |
* Types |
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BrokenAvatarTransformer.transform(aang, "Bender", undefined), |
*/ |
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).rejects.toThrow( |
type Element = "Water" | "Earth" | "Fire" | "Air"; |
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`Circular dependency found. Use the 'setReturnPointer' function. The loop includes the 'Bender' type`, |
interface Bender { |
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); |
name: string; |
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element: Element; |
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friends: Person[]; |
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} |
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interface NonBender { |
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name: string; |
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friends: Person[]; |
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} |
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type Person = Bender | NonBender; |
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/** |
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* Raw Data to Traverse |
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*/ |
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const aang: Bender = { |
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name: "Aang", |
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element: "Air", |
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friends: [], |
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}; |
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const sokka: NonBender = { |
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name: "Sokka", |
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friends: [], |
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}; |
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const katara: Bender = { |
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name: "Katara", |
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element: "Water", |
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friends: [], |
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}; |
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aang.friends.push(sokka, katara); |
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sokka.friends.push(aang, katara); |
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katara.friends.push(aang, sokka); |
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/** |
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* Traverser Types |
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*/ |
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type AvatarTraverserTypes = ValidateTraverserTypes<{ |
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Element: { |
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kind: "primitive"; |
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type: Element; |
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}; |
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Bender: { |
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kind: "interface"; |
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type: Bender; |
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properties: { |
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element: "Element"; |
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friends: "Person"; |
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}; |
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}; |
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NonBender: { |
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kind: "interface"; |
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type: NonBender; |
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properties: { |
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friends: "Person"; |
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}; |
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}; |
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Person: { |
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kind: "union"; |
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type: Person; |
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typeNames: "Bender" | "NonBender"; |
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}; |
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}>; |
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/** |
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* Create the traverser definition |
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*/ |
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const avatarTraverserDefinition: TraverserDefinitions<AvatarTraverserTypes> = |
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{ |
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Element: { |
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kind: "primitive", |
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}, |
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Bender: { |
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kind: "interface", |
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properties: { |
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element: "Element", |
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friends: "Person", |
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}, |
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}, |
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NonBender: { |
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kind: "interface", |
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properties: { |
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friends: "Person", |
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}, |
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}, |
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Person: { |
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kind: "union", |
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selector: (item) => { |
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return (item as Bender).element ? "Bender" : "NonBender"; |
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}, |
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}, |
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}; |
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it("returns child nodes when child methods are called.", () => { |
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const graph = new InstanceGraph(avatarTraverserDefinition); |
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const aangBender = graph.getNodeFor(aang, "Bender"); |
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expect(aangBender.typeName).toBe("Bender"); |
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expect(aangBender.instance.name).toBe("Aang"); |
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// child
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const aangElement = aangBender.child("element"); |
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expect(aangElement.instance).toBe("Air"); |
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expect(aangElement.typeName).toBe("Element"); |
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const aangFriends = aangBender.child("friends"); |
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expect(aangFriends.length).toBe(2); |
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const sokkaPerson = aangFriends[0]; |
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const kataraPerson = aangFriends[1]; |
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expect(sokkaPerson.instance.name).toBe("Sokka"); |
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expect(kataraPerson.instance.name).toBe("Katara"); |
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expect(sokkaPerson.typeName).toBe("Person"); |
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expect(kataraPerson.typeName).toBe("Person"); |
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const sokkaNonBender = sokkaPerson.child(); |
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expect(sokkaNonBender.instance.name).toBe("Sokka"); |
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expect(sokkaNonBender.typeName).toBe("NonBender"); |
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if (sokkaNonBender.typeName === "NonBender") { |
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const aangPerson = sokkaNonBender.child("friends")[0]; |
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const aangBender2 = aangPerson.child(); |
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expect(aangBender2).toBe(aangBender); |
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} |
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// allChildren
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const [childElemement, childSokka, childKatara] = aangBender.allChildren(); |
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expect(childElemement.instance).toBe("Air"); |
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expect((childSokka.instance as NonBender).name).toBe("Sokka"); |
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expect((childKatara.instance as Bender).name).toBe("Katara"); |
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const childOfSokkaPerson = sokkaPerson.allChildren(); |
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expect(childOfSokkaPerson.length).toBe(1); |
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expect(childOfSokkaPerson[0].instance.name).toBe("Sokka"); |
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}); |
}); |
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it("Bubbles errors", async () => { |
it("returns parent nodes when parent methods are called.", () => { |
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await expect( |
const graph = new InstanceGraph(avatarTraverserDefinition); |
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AvatarErroringTransformer.transform(aang, "Bender", undefined), |
const aangBender = graph.getNodeFor(aang, "Bender"); |
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).rejects.toThrow("No Non Benders Allowed"); |
// parent
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const [aangPerson] = aangBender.parent("Person"); |
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expect(aangPerson.instance.name).toBe("Aang"); |
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expect(aangPerson.typeName).toBe("Person"); |
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const [sokkaNonBender] = aangPerson.parent("NonBender", "friends"); |
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const [kataraBender] = aangPerson.parent("Bender", "friends"); |
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expect(sokkaNonBender.typeName).toBe("NonBender"); |
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expect(sokkaNonBender.instance.name).toBe("Sokka"); |
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expect(kataraBender.typeName).toBe("Bender"); |
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expect(kataraBender.instance.name).toBe("Katara"); |
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}); |
}); |
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}); |
}); |
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@ -0,0 +1,19 @@ |
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import { BrokenAvatarTransformer } from "./AvatarBrokenTransformer"; |
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import { AvatarErroringTransformer } from "./AvatarErroringTransformer"; |
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import { aang } from "./sampleData"; |
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describe("Avatar", () => { |
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it("Throws an error before entering an infinite loop", async () => { |
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await expect( |
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BrokenAvatarTransformer.transform(aang, "Bender", undefined), |
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).rejects.toThrow( |
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`Circular dependency found. Use the 'setReturnPointer' function. The loop includes the 'Bender' type`, |
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); |
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}); |
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it("Bubbles errors", async () => { |
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await expect( |
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AvatarErroringTransformer.transform(aang, "Bender", undefined), |
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).rejects.toThrow("No Non Benders Allowed"); |
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}); |
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}); |
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@ -1,7 +1,7 @@ |
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{ |
{ |
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"extends": "../../tsconfig.base.json", |
"extends": "../../tsconfig.base.json", |
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"compilerOptions": { |
"compilerOptions": { |
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"outDir": "./dist" |
"outDir": "./dist", |
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}, |
}, |
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"include": ["./src"] |
"include": ["./src"] |
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} |
} |
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