[IMP] templates: can load multiple at once and also from XMLDocument

tests/compiler/template_set.test.ts

@@ -0,0 +1,70 @@
+import { snapshotEverything, TestContext } from "../helpers";
+
+snapshotEverything();
+
+describe("loading templates", () => {
+  test("can initialize qweb with a string", () => {
+    const templates = `<?xml version="1.0" encoding="UTF-8"?>
+      <templates id="template" xml:space="preserve">
+        <div t-name="hey">jupiler</div>
+      </templates>`;
+    const context = new TestContext();
+    context.addTemplates(templates);
+    expect(context.renderToString("hey")).toBe("<div>jupiler</div>");
+  });
+
+  test("can initialize qweb with an XMLDocument", () => {
+    const data = `<?xml version="1.0" encoding="UTF-8"?>
+      <templates id="template" xml:space="preserve">
+        <div t-name="hey">jupiler</div>
+      </templates>`;
+    const xml = new DOMParser().parseFromString(data, "text/xml");
+    const context = new TestContext();
+    context.addTemplates(xml);
+    expect(context.renderToString("hey")).toBe("<div>jupiler</div>");
+  });
+
+  test("can load a few templates from a xml string", () => {
+    const data = `<?xml version="1.0" encoding="UTF-8"?>
+      <templates id="template" xml:space="preserve">
+
+        <t t-name="items"><li>ok</li><li>foo</li></t>
+
+        <ul t-name="main"><t t-call="items"/></ul>
+      </templates>`;
+    const context = new TestContext();
+    context.addTemplates(data);
+    const result = context.renderToString("main");
+    expect(result).toBe("<ul><li>ok</li><li>foo</li></ul>");
+  });
+
+  test("can load a few templates from an XMLDocument", () => {
+    const data = `<?xml version="1.0" encoding="UTF-8"?>
+      <templates id="template" xml:space="preserve">
+
+        <t t-name="items"><li>ok</li><li>foo</li></t>
+
+        <ul t-name="main"><t t-call="items"/></ul>
+      </templates>`;
+    const xml = new DOMParser().parseFromString(data, "text/xml");
+    const context = new TestContext();
+    context.addTemplates(xml);
+    const result = context.renderToString("main");
+    expect(result).toBe("<ul><li>ok</li><li>foo</li></ul>");
+  });
+
+  test("does not crash if string does not have templates", () => {
+    const data = "";
+    const context = new TestContext();
+    context.addTemplates(data);
+    expect(Object.keys(context.rawTemplates)).toEqual([]);
+  });
+
+  test("does not crash if XMLDocument does not have templates", () => {
+    const data = "";
+    const xml = new DOMParser().parseFromString(data, "text/xml");
+    const context = new TestContext();
+    context.addTemplates(xml);
+    expect(Object.keys(context.rawTemplates)).toEqual([]);
+  });
+});