ts-simple-ast/dist/tests/createWrappedNodeTests.js

TypeScript compiler wrapper for AST navigation and code generation.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const chai_1 = require("chai");
const ts = require("typescript");
const createWrappedNode_1 = require("./../createWrappedNode");
const errors = require("./../errors");
describe("createWrappedNode", () => {
    it("should throw an exception if passing in a node not created with setParentNodes set to true.", () => {
        const sourceFile = ts.createSourceFile("file.ts", "class MyClass {}", ts.ScriptTarget.ES2016, false);
        let child;
        ts.forEachChild(sourceFile, node => child = node);
        chai_1.expect(child.parent).to.equal(undefined);
        chai_1.expect(() => {
            createWrappedNode_1.createWrappedNode(child);
        }).to.throw(errors.InvalidOperationError, "Please ensure the node was created from a source file with 'setParentNodes' set to 'true'.");
    });
    it("should get a wrapped node", () => {
        const compilerSourceFile = ts.createSourceFile("file.ts", "class MyClass {}", ts.ScriptTarget.ES2016, true);
        const child = compilerSourceFile.getChildren()[0];
        const node = createWrappedNode_1.createWrappedNode(child);
        const sourceFile = node.getSourceFile();
        chai_1.expect(node.getKind()).to.equal(ts.SyntaxKind.SyntaxList);
        chai_1.expect(sourceFile.getClasses().length).to.equal(1);
    });
    it("should get a wrapped node when also providing the source file", () => {
        const compilerSourceFile = ts.createSourceFile("file.ts", "class MyClass {}", ts.ScriptTarget.ES2016, true);
        const child = compilerSourceFile.getChildren()[0];
        const node = createWrappedNode_1.createWrappedNode(child, compilerSourceFile);
        const sourceFile = node.getSourceFile();
        // testing for something arbitrary
        chai_1.expect(sourceFile.getClasses().length).to.equal(1);
    });
    it("should get a wrapped node when also providing the wrapped source file", () => {
        const sourceFile = createWrappedNode_1.createWrappedNode(ts.createSourceFile("file.ts", "class MyClass {}", ts.ScriptTarget.ES2016, true));
        const firstClass = sourceFile.getClasses()[0];
        const node = createWrappedNode_1.createWrappedNode(firstClass.compilerNode, sourceFile);
        chai_1.expect(node).to.equal(firstClass);
        chai_1.expect(node.getSourceFile()).to.equal(sourceFile);
    });
});

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