1 files changed, 116 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/estraverse-fb/test.js b/tools/eslint/node_modules/estraverse-fb/test.js
new file mode 100644
index 0000000000..e0fca88a01
--- /dev/null
+++ b/tools/eslint/node_modules/estraverse-fb/test.js
@@ -0,0 +1,116 @@
+var assert = require('chai').assert;
+var parse = require('esprima-fb').parse;
+var originalKeys = require('./keys');
+
+describe('works', function () {
+	var code = ['class MyClass{',
+		'x: number;',
+		'y: number;',
+		'constructor(x: number, y: number){',
+			'this.x = x;',
+			'this.y = y;',
+		'}',
+		'render(){',
+			'return <namespace:tag textAttr="value" exprAttr={expr} {...spreadAttr}><object.prop>!</object.prop>{}</namespace:tag>',
+		'}',
+	'}'].join('\n');
+
+	var ast = parse(code);
+
+	var expectedKeys = [
+		'ClassProperty',
+		'TypeAnnotation',
+		'NumberTypeAnnotation',
+		'ClassProperty',
+		'TypeAnnotation',
+		'NumberTypeAnnotation',
+		'XJSElement',
+		'XJSOpeningElement',
+		'XJSNamespacedName',
+		'XJSIdentifier',
+		'XJSIdentifier',
+		'XJSAttribute',
+		'XJSIdentifier',
+		'XJSAttribute',
+		'XJSIdentifier',
+		'XJSExpressionContainer',
+		'XJSSpreadAttribute',
+		'XJSClosingElement',
+		'XJSNamespacedName',
+		'XJSIdentifier',
+		'XJSIdentifier',
+		'XJSElement',
+		'XJSOpeningElement',
+		'XJSMemberExpression',
+		'XJSIdentifier',
+		'XJSIdentifier',
+		'XJSClosingElement',
+		'XJSMemberExpression',
+		'XJSIdentifier',
+		'XJSIdentifier',
+		'XJSExpressionContainer',
+		'XJSEmptyExpression'
+	];
+
+	beforeEach(function () {
+		for (var key in require.cache) {
+			delete require.cache[key];
+		}
+	});
+
+	it('directly from dependency', function () {
+		var traverse = require('./').traverse;
+		var actualKeys = [];
+		var actualTypeKeys = [];
+
+		traverse(ast, {
+			enter: function (node) {
+				if (originalKeys[node.type] != null) {
+					actualKeys.push(node.type);
+				}
+			}
+		});
+
+		assert.deepEqual(actualKeys, expectedKeys);
+	});
+
+	it('in injected mode', function () {
+		require('./');
+		var traverse = require('estraverse').traverse;
+		var actualKeys = [];
+
+		traverse(ast, {
+			enter: function (node) {
+				if (originalKeys[node.type] != null) {
+					actualKeys.push(node.type);
+				}
+			}
+		});
+
+		assert.deepEqual(actualKeys, expectedKeys);
+	});
+
+	it('in single-pass mode', function () {
+		var traverse = require('estraverse').traverse;
+		var keys = require('./keys');
+
+		var actualKeys = [];
+
+		traverse(ast, {
+			enter: function (node) {
+				if (originalKeys[node.type] != null) {
+					actualKeys.push(node.type);
+				}
+			},
+			keys: keys
+		});
+
+		assert.throws(function () {
+			traverse(ast, {
+				enter: function () {}
+			});
+		});
+
+		assert.deepEqual(actualKeys, expectedKeys);
+	});
+});