From 1a30dec3e751228f133a9fcf63ad2a61bf6a1bb3 Mon Sep 17 00:00:00 2001
From: Nolan Lawson <nlawson@salesforce.com>
Date: Tue, 22 Oct 2024 08:47:16 -0700
Subject: [PATCH] test(ssr): add basic slot tests (#4675)

---
 .../slots-basic/fallback/light/error.txt      |  0
 .../slots-basic/fallback/light/expected.html  | 13 ++++++++++++
 .../slots-basic/fallback/light/index.js       |  3 +++
 .../fallback/light/modules/x/inner/inner.html |  7 +++++++
 .../fallback/light/modules/x/inner/inner.js   |  5 +++++
 .../fallback/light/modules/x/outer/outer.html |  3 +++
 .../fallback/light/modules/x/outer/outer.js   |  5 +++++
 .../slots-basic/fallback/shadow/error.txt     |  0
 .../slots-basic/fallback/shadow/expected.html | 17 +++++++++++++++
 .../slots-basic/fallback/shadow/index.js      |  3 +++
 .../shadow/modules/x/inner/inner.html         |  7 +++++++
 .../fallback/shadow/modules/x/inner/inner.js  |  4 ++++
 .../shadow/modules/x/outer/outer.html         |  3 +++
 .../fallback/shadow/modules/x/outer/outer.js  |  4 ++++
 .../slots-basic/slotted/light/error.txt       |  0
 .../slots-basic/slotted/light/expected.html   | 15 +++++++++++++
 .../slots-basic/slotted/light/index.js        |  3 +++
 .../slotted/light/modules/x/inner/inner.html  |  7 +++++++
 .../slotted/light/modules/x/inner/inner.js    |  5 +++++
 .../slotted/light/modules/x/outer/outer.html  |  6 ++++++
 .../slotted/light/modules/x/outer/outer.js    |  5 +++++
 .../slots-basic/slotted/shadow/error.txt      |  0
 .../slots-basic/slotted/shadow/expected.html  | 21 +++++++++++++++++++
 .../slots-basic/slotted/shadow/index.js       |  3 +++
 .../slotted/shadow/modules/x/inner/inner.html |  7 +++++++
 .../slotted/shadow/modules/x/inner/inner.js   |  4 ++++
 .../slotted/shadow/modules/x/outer/outer.html |  6 ++++++
 .../slotted/shadow/modules/x/outer/outer.js   |  4 ++++
 28 files changed, 160 insertions(+)
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/error.txt
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/expected.html
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/index.js
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/modules/x/inner/inner.html
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/modules/x/inner/inner.js
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/modules/x/outer/outer.html
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/modules/x/outer/outer.js
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/error.txt
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/expected.html
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/index.js
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/modules/x/inner/inner.html
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/modules/x/inner/inner.js
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/modules/x/outer/outer.html
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/modules/x/outer/outer.js
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/error.txt
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/expected.html
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/index.js
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/modules/x/inner/inner.html
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/modules/x/inner/inner.js
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/modules/x/outer/outer.html
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/modules/x/outer/outer.js
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/error.txt
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/expected.html
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/index.js
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/modules/x/inner/inner.html
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/modules/x/inner/inner.js
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/modules/x/outer/outer.html
 create mode 100644 packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/modules/x/outer/outer.js

diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/error.txt b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/error.txt
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/expected.html b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/expected.html
new file mode 100644
index 0000000000..cab2f97a97
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/expected.html
@@ -0,0 +1,13 @@
+<x-outer>
+  <x-inner>
+    a
+    <!---->
+    fallback for default
+    <!---->
+    b
+    <!---->
+    fallback for foo
+    <!---->
+    c
+  </x-inner>
+</x-outer>
\ No newline at end of file
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/index.js b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/index.js
new file mode 100644
index 0000000000..17a015b5ea
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/index.js
@@ -0,0 +1,3 @@
+export const tagName = 'x-outer';
+export { default } from 'x/outer';
+export * from 'x/outer';
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/modules/x/inner/inner.html b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/modules/x/inner/inner.html
new file mode 100644
index 0000000000..64e26167b6
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/modules/x/inner/inner.html
@@ -0,0 +1,7 @@
+<template lwc:render-mode="light">
+    a
+    <slot>fallback for default</slot>
+    b
+    <slot name=foo>fallback for foo</slot>
+    c
+</template>
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/modules/x/inner/inner.js b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/modules/x/inner/inner.js
new file mode 100644
index 0000000000..2104845f74
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/modules/x/inner/inner.js
@@ -0,0 +1,5 @@
+import { LightningElement} from 'lwc';
+
+export default class extends LightningElement {
+  static renderMode = 'light'
+}
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/modules/x/outer/outer.html b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/modules/x/outer/outer.html
new file mode 100644
index 0000000000..ef2c586c58
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/modules/x/outer/outer.html
@@ -0,0 +1,3 @@
+<template lwc:render-mode="light">
+    <x-inner></x-inner>
+</template>
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/modules/x/outer/outer.js b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/modules/x/outer/outer.js
new file mode 100644
index 0000000000..2104845f74
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/light/modules/x/outer/outer.js
@@ -0,0 +1,5 @@
+import { LightningElement} from 'lwc';
+
+export default class extends LightningElement {
+  static renderMode = 'light'
+}
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/error.txt b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/error.txt
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/expected.html b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/expected.html
new file mode 100644
index 0000000000..569fbf11fd
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/expected.html
@@ -0,0 +1,17 @@
+<x-outer>
+  <template shadowrootmode="open">
+    <x-inner>
+      <template shadowrootmode="open">
+        a
+        <slot>
+          fallback for default
+        </slot>
+        b
+        <slot name="foo">
+          fallback for foo
+        </slot>
+        c
+      </template>
+    </x-inner>
+  </template>
+</x-outer>
\ No newline at end of file
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/index.js b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/index.js
new file mode 100644
index 0000000000..17a015b5ea
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/index.js
@@ -0,0 +1,3 @@
+export const tagName = 'x-outer';
+export { default } from 'x/outer';
+export * from 'x/outer';
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/modules/x/inner/inner.html b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/modules/x/inner/inner.html
new file mode 100644
index 0000000000..24813d03b0
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/modules/x/inner/inner.html
@@ -0,0 +1,7 @@
+<template>
+    a
+    <slot>fallback for default</slot>
+    b
+    <slot name=foo>fallback for foo</slot>
+    c
+</template>
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/modules/x/inner/inner.js b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/modules/x/inner/inner.js
new file mode 100644
index 0000000000..a12e9aa6b0
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/modules/x/inner/inner.js
@@ -0,0 +1,4 @@
+import { LightningElement} from 'lwc';
+
+export default class extends LightningElement {
+}
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/modules/x/outer/outer.html b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/modules/x/outer/outer.html
new file mode 100644
index 0000000000..8716cac921
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/modules/x/outer/outer.html
@@ -0,0 +1,3 @@
+<template>
+    <x-inner></x-inner>
+</template>
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/modules/x/outer/outer.js b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/modules/x/outer/outer.js
new file mode 100644
index 0000000000..a12e9aa6b0
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/fallback/shadow/modules/x/outer/outer.js
@@ -0,0 +1,4 @@
+import { LightningElement} from 'lwc';
+
+export default class extends LightningElement {
+}
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/error.txt b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/error.txt
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/expected.html b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/expected.html
new file mode 100644
index 0000000000..f45b9a6e77
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/expected.html
@@ -0,0 +1,15 @@
+<x-outer>
+  <x-inner>
+    a
+    <!---->
+    I am default slot
+    <!---->
+    b
+    <!---->
+    <div>
+      I am the foo slot
+    </div>
+    <!---->
+    c
+  </x-inner>
+</x-outer>
\ No newline at end of file
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/index.js b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/index.js
new file mode 100644
index 0000000000..17a015b5ea
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/index.js
@@ -0,0 +1,3 @@
+export const tagName = 'x-outer';
+export { default } from 'x/outer';
+export * from 'x/outer';
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/modules/x/inner/inner.html b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/modules/x/inner/inner.html
new file mode 100644
index 0000000000..64e26167b6
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/modules/x/inner/inner.html
@@ -0,0 +1,7 @@
+<template lwc:render-mode="light">
+    a
+    <slot>fallback for default</slot>
+    b
+    <slot name=foo>fallback for foo</slot>
+    c
+</template>
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/modules/x/inner/inner.js b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/modules/x/inner/inner.js
new file mode 100644
index 0000000000..2104845f74
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/modules/x/inner/inner.js
@@ -0,0 +1,5 @@
+import { LightningElement} from 'lwc';
+
+export default class extends LightningElement {
+  static renderMode = 'light'
+}
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/modules/x/outer/outer.html b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/modules/x/outer/outer.html
new file mode 100644
index 0000000000..e6479b1b01
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/modules/x/outer/outer.html
@@ -0,0 +1,6 @@
+<template lwc:render-mode="light">
+    <x-inner>
+        I am default slot
+        <div slot="foo">I am the foo slot</div>
+    </x-inner>
+</template>
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/modules/x/outer/outer.js b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/modules/x/outer/outer.js
new file mode 100644
index 0000000000..2104845f74
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/light/modules/x/outer/outer.js
@@ -0,0 +1,5 @@
+import { LightningElement} from 'lwc';
+
+export default class extends LightningElement {
+  static renderMode = 'light'
+}
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/error.txt b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/error.txt
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/expected.html b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/expected.html
new file mode 100644
index 0000000000..4c95c428f8
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/expected.html
@@ -0,0 +1,21 @@
+<x-outer>
+  <template shadowrootmode="open">
+    <x-inner>
+      <template shadowrootmode="open">
+        a
+        <slot>
+          fallback for default
+        </slot>
+        b
+        <slot name="foo">
+          fallback for foo
+        </slot>
+        c
+      </template>
+      I am default slot
+      <div slot="foo">
+        I am the foo slot
+      </div>
+    </x-inner>
+  </template>
+</x-outer>
\ No newline at end of file
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/index.js b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/index.js
new file mode 100644
index 0000000000..17a015b5ea
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/index.js
@@ -0,0 +1,3 @@
+export const tagName = 'x-outer';
+export { default } from 'x/outer';
+export * from 'x/outer';
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/modules/x/inner/inner.html b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/modules/x/inner/inner.html
new file mode 100644
index 0000000000..24813d03b0
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/modules/x/inner/inner.html
@@ -0,0 +1,7 @@
+<template>
+    a
+    <slot>fallback for default</slot>
+    b
+    <slot name=foo>fallback for foo</slot>
+    c
+</template>
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/modules/x/inner/inner.js b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/modules/x/inner/inner.js
new file mode 100644
index 0000000000..a12e9aa6b0
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/modules/x/inner/inner.js
@@ -0,0 +1,4 @@
+import { LightningElement} from 'lwc';
+
+export default class extends LightningElement {
+}
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/modules/x/outer/outer.html b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/modules/x/outer/outer.html
new file mode 100644
index 0000000000..03c77e467f
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/modules/x/outer/outer.html
@@ -0,0 +1,6 @@
+<template>
+    <x-inner>
+        I am default slot
+        <div slot="foo">I am the foo slot</div>
+    </x-inner>
+</template>
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/modules/x/outer/outer.js b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/modules/x/outer/outer.js
new file mode 100644
index 0000000000..a12e9aa6b0
--- /dev/null
+++ b/packages/@lwc/engine-server/src/__tests__/fixtures/slots-basic/slotted/shadow/modules/x/outer/outer.js
@@ -0,0 +1,4 @@
+import { LightningElement} from 'lwc';
+
+export default class extends LightningElement {
+}