[IMP] components: add test for template string in props

tests/components/__snapshots__/props.test.ts.snap

@@ -251,3 +251,27 @@ exports[`basics t-set works  2`] = `
   }
 }"
 `;
+
+exports[`basics template string in prop 1`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component } = bdom;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber, safeOutput } = helpers;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return text(\`\`);
+  }
+}"
+`;
+
+exports[`basics template string in prop 2`] = `
+"function anonymous(bdom, helpers
+) {
+  let { text, createBlock, list, multi, html, toggler, component } = bdom;
+  let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber, safeOutput } = helpers;
+  
+  return function template(ctx, node, key = \\"\\") {
+    return component(\`Child\`, {propName: \`1\${ctx['someVal']}3\`}, key + \`__1\`, node, ctx);
+  }
+}"
+`;

tests/components/props.test.ts

@@ -158,4 +158,21 @@ describe("basics", () => {
     }
     await mount(Parent, fixture);
   });
+
+  test("template string in prop", async () => {
+    expect.assertions(3);
+    class Child extends Component {
+      static template = xml``;
+      setup() {
+        expect(this.props.propName).toBe("123");
+      }
+    }
+
+    class Parent extends Component {
+      static template = xml({ raw: ['<Child propName="`1${someVal}3`"/>'] });
+      static components = { Child };
+      someVal = 2;
+    }
+    await mount(Parent, fixture);
+  });
 });