feat: test coverage

Author: jhefferman-sfdc

packages/@lwc/engine-server/src/__tests__/fixtures/context-binding/duplicate-context/config.json

@@ -0,0 +1,7 @@
+{
+    "entry": "x/main",
+    "ssrFiles": {
+        "error": "error-ssr.txt",
+        "expected": "expected-ssr.html"
+    }
+}

packages/@lwc/engine-server/src/__tests__/fixtures/context-binding/duplicate-context/error-ssr.txt

@@ -0,0 +1 @@
+Attempted to connect to trusted context but received the following error: Multiple contexts of the same variety were provided.

packages/@lwc/engine-server/src/__tests__/fixtures/context-binding/duplicate-context/error.txt

@@ -0,0 +1,10 @@
+<fixture-test>
+  <template shadowrootmode="open">
+    <div>
+      context one value: context one
+    </div>
+    <div>
+      context two value: context two
+    </div>
+  </template>
+</fixture-test>

packages/@lwc/engine-server/src/__tests__/fixtures/context-binding/duplicate-context/expected-ssr.html

@@ -0,0 +1,33 @@
+class MockContextSignal {
+    connectProvidedComponent;
+    disconnectProvidedComponent;
+    providedContextSignal;
+
+    constructor(initialValue, contextDefinition, fromContext) {
+        this.value = initialValue;
+        this.contextDefinition = contextDefinition;
+        this.fromContext = fromContext;
+        trustedContext.add(this);
+    }
+    [connectContext](runtimeAdapter) {
+        this.connectProvidedComponent = runtimeAdapter.component;
+
+        runtimeAdapter.provideContext(this.contextDefinition, this);
+
+        if (this.fromContext) {
+            runtimeAdapter.consumeContext(this.fromContext, (providedContextSignal) => {
+                this.providedContextSignal = providedContextSignal;
+                this.value = providedContextSignal.value;
+            });
+        }
+    }
+    [disconnectContext](component) {
+        this.disconnectProvidedComponent = component;
+    }
+}
+
+export const defineContext = (fromContext) => {
+    const contextDefinition = (initialValue) =>
+        new MockContextSignal(initialValue, contextDefinition, fromContext);
+    return contextDefinition;
+};

packages/@lwc/engine-server/src/__tests__/fixtures/context-binding/duplicate-context/expected.html

@@ -0,0 +1,4 @@
+<template>
+    <div>context one value: {contextOne.value}</div>
+    <div>context two value: {contextTwo.value}</div>
+</template>

packages/@lwc/engine-server/src/__tests__/fixtures/context-binding/duplicate-context/modules/x/contextManager/contextManager.js

@@ -0,0 +1,7 @@
+import { LightningElement } from 'lwc';
+import { defineContext } from 'x/contextManager';
+const contextFactory = defineContext();
+export default class Main extends LightningElement {
+    contextOne = contextFactory('context one');
+    contextTwo = contextFactory('context two');
+}

packages/@lwc/engine-server/src/__tests__/fixtures/context-binding/duplicate-context/modules/x/main/main.html

@@ -0,0 +1,7 @@
+{
+    "entry": "x/main",
+    "ssrFiles": {
+        "error": "error-ssr.txt",
+        "expected": "expected-ssr.html"
+    }
+}

packages/@lwc/engine-server/src/__tests__/fixtures/context-binding/duplicate-context/modules/x/main/main.js

@@ -0,0 +1 @@
+Attempted to connect to trusted context but received the following error: le[contextfulKeys[i]][connectContext2] is not a function