fix: test for wire invocation order

Author: jhefferman-sfdc

packages/@lwc/engine-server/src/__tests__/fixtures/wire/invocation-sequence/config.json

@@ -0,0 +1,3 @@
+{
+    "entry": "x/wire"
+}

packages/@lwc/engine-server/src/__tests__/fixtures/wire/invocation-sequence/error.txt

@@ -0,0 +1,10 @@
+<fixture-test>
+  <template shadowrootmode="open">
+    <div>
+      Wire adapter invocation sequence: 1. connect 2. update
+    </div>
+    <div>
+      Wired prop: true
+    </div>
+  </template>
+</fixture-test>

packages/@lwc/engine-server/src/__tests__/fixtures/wire/invocation-sequence/expected.html

@@ -0,0 +1,18 @@
+export let invocationSequence = [];
+
+export class adapter {
+    constructor(dataCallback) {
+        this.dc = dataCallback;
+    }
+
+    connect() {
+        invocationSequence.push('connect');
+    }
+
+    update() {
+        invocationSequence.push('update');
+        this.dc(true);
+    }
+
+    disconnect() {}
+}

packages/@lwc/engine-server/src/__tests__/fixtures/wire/invocation-sequence/modules/x/wire/adapter.js

@@ -0,0 +1,4 @@
+<template>
+    <div>Wire adapter invocation sequence: {invocationSequence}</div>
+    <div>Wired prop: {wiredProp}</div>
+</template>

packages/@lwc/engine-server/src/__tests__/fixtures/wire/invocation-sequence/modules/x/wire/wire.html

@@ -0,0 +1,12 @@
+import { LightningElement, wire } from 'lwc';
+
+import { adapter, invocationSequence } from './adapter';
+
+export default class Wire extends LightningElement {
+    @wire(adapter)
+    wiredProp;
+
+    get invocationSequence() {
+        return invocationSequence.map((invocation, i) => `${i + 1}. ${invocation}`).join(' ');
+    }
+}