c142bbc429
* Additional testcase and require->import refactorings * Removed duplicated getStatementParent function. Refactored all babel-traverse tests to use ESmodules
86 lines
3.1 KiB
JavaScript
86 lines
3.1 KiB
JavaScript
import traverse from "../lib";
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import assert from "assert";
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import { parse } from "babylon";
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describe("path/family", function () {
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describe("getBindingIdentifiers", function () {
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const ast = parse("var a = 1, {b} = c, [d] = e; function f() {}");
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let nodes = {}, paths = {}, outerNodes = {}, outerPaths = {};
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traverse(ast, {
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VariableDeclaration(path) {
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nodes = path.getBindingIdentifiers();
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paths = path.getBindingIdentifierPaths();
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},
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FunctionDeclaration(path) {
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outerNodes = path.getOuterBindingIdentifiers();
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outerPaths = path.getOuterBindingIdentifierPaths();
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},
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});
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it("should contain keys of nodes in paths", function () {
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Object.keys(nodes).forEach((id) => {
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assert.strictEqual(hop(paths, id), true, "Node's keys exists in paths");
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});
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});
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it("should contain outer bindings", function () {
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Object.keys(outerNodes).forEach((id) => {
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assert.strictEqual(hop(outerPaths, id), true, "Has same outer keys");
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});
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});
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it("should return paths", function () {
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Object.keys(paths).forEach((id) => {
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assert.strictEqual(!!paths[id].node, true, "Has a property node that's not falsy");
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assert.strictEqual(paths[id].type, paths[id].node.type, "type matches");
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});
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Object.keys(outerPaths).forEach((id) => {
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assert.strictEqual(!!outerPaths[id].node, true, "has property node");
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assert.strictEqual(outerPaths[id].type, outerPaths[id].node.type, "type matches");
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});
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});
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it("should match paths and nodes returned for the same ast", function () {
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Object.keys(nodes).forEach((id) => {
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assert.strictEqual(nodes[id], paths[id].node, "Nodes match");
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});
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});
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it("should match paths and nodes returned for outer Bindings", function () {
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Object.keys(outerNodes).forEach((id) => {
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assert.strictEqual(outerNodes[id], outerPaths[id].node, "nodes match");
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});
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});
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});
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describe("getSibling", function () {
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const ast = parse("var a = 1, {b} = c, [d] = e; function f() {} function g() {}");
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let sibling = {}, lastSibling = {};
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traverse(ast, {
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VariableDeclaration(path) {
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sibling = path.getSibling(path.key);
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lastSibling = sibling.getNextSibling().getNextSibling();
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},
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});
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it("should return traverse sibling nodes", function () {
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assert.ok(sibling.getNextSibling().node, "has property node");
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assert.ok(lastSibling.getPrevSibling().node, "has property node");
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assert.equal(!!sibling.getPrevSibling().node, false, "out of scope");
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assert.equal(!!lastSibling.getNextSibling().node, false, "out of scope");
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});
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it("should return all preceding and succeeding sibling nodes", function () {
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assert.ok(sibling.getAllNextSiblings().length, "Has next sibling");
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assert.ok(lastSibling.getAllPrevSiblings().length, "Has prev sibling");
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assert.equal(sibling.getAllNextSiblings().length, 2, "Has 2 succeeding sibling");
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assert.equal(lastSibling.getAllPrevSiblings().length, 2, "Has 2 preceeding sibling");
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});
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});
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});
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function hop(o, key) {
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return Object.hasOwnProperty.call(o, key);
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}
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