Merge 2485dff into e2cd66a

test/LICENSE

@@ -1,3 +1,30 @@
+Some of the tests for this project are based on the cheerio-advanced-selectors project.
+License information below.
+
+The MIT License (MIT)
+
+Copyright (c) 2015-2018 Thomas Watson Steen
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+===
+
 Some of the tests for this project are based on the Sizzle project.
 License information below.
 

test/advanced-selectors.spec.ts

@@ -0,0 +1,82 @@
+import { select } from "../src";
+import { parseDocument } from "htmlparser2";
+import { innerText } from "domutils";
+
+const testCases: [
+    name: string,
+    html: string,
+    selector: string,
+    text: string
+][] = [
+    ["Non-advanced selector", "<div>foo</div><div>bar</div>", "div", "foobar"],
+    [
+        "Simple selector ending in :first()",
+        "<div>foo</div><div>bar</div>",
+        "div:first",
+        "foo",
+    ],
+    [
+        "Simple selector ending in :last()",
+        "<div>foo</div><div>bar</div>",
+        "div:last",
+        "bar",
+    ],
+    [
+        "Simple selector ending in :first-child()",
+        "<div><span>foo</span><span>bar</span></div>",
+        "div span:first-child",
+        "foo",
+    ],
+    [
+        "Simple selector ending in :last-child()",
+        "<div><span>foo</span><span>bar</span></div>",
+        "div span:last-child",
+        "bar",
+    ],
+    [
+        "Simple selector ending in :eq()",
+        "<div>foo</div><div>bar</div>",
+        "div:eq(1)",
+        "bar",
+    ],
+    [
+        "Simple selector with :eq() in the middle",
+        "<div><span>foo</span></div><div><span>bar</span></div>",
+        "div:eq(0) span",
+        "foo",
+    ],
+    [
+        "Complex selector",
+        "<div><span><h1>foo</h1></span><span><h1>bar</h1></span></div>",
+        "div:first span:eq(1) h1",
+        "bar",
+    ],
+];
+
+describe("cheerio-advanced-selectors — #find()", () => {
+    for (const [name, html, selector, text] of testCases) {
+        it(name, () => {
+            const document = parseDocument(html);
+            const result = select(selector, document);
+            expect(innerText(result)).toBe(text);
+        });
+    }
+
+    it("Custom context", () => {
+        const document = parseDocument("<div>foo</div><div>bar</div>");
+        const result = select("div:eq(1)", document, {
+            context: document.children[0],
+        });
+        expect(innerText(result)).toBe("bar");
+    });
+
+    it("Custom root", () => {
+        const document = parseDocument(
+            "<div><span>foo</span></div><div><span>bar</span></div>"
+        );
+        const result = select("span:eq(1)", document, {
+            root: document,
+        });
+        expect(innerText(result)).toBe("bar");
+    });
+});