From 7295fe17b7e4182ba95367b648a4dc32666f3a4d Mon Sep 17 00:00:00 2001
From: Steven Silvester <steven.silvester@ieee.org>
Date: Wed, 21 Aug 2024 14:28:55 -0500
Subject: [PATCH] PYTHON-4226 Add Projection with aggregation expressions
 example (#1803)

---
 test/test_examples.py | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/test/test_examples.py b/test/test_examples.py
index 02b178586..296283db2 100644
--- a/test/test_examples.py
+++ b/test/test_examples.py
@@ -866,6 +866,38 @@ class TestSampleShellCommands(IntegrationTest):
         )
         # End Aggregation Example 4
 
+    @client_context.require_version_min(4, 4)
+    def test_aggregate_projection_example(self):
+        db = self.db
+
+        # Start Aggregation Projection Example 1
+        db.inventory.find(
+            {},
+            {
+                "_id": 0,
+                "item": 1,
+                "status": {
+                    "$switch": {
+                        "branches": [
+                            {"case": {"$eq": ["$status", "A"]}, "then": "Available"},
+                            {"case": {"$eq": ["$status", "D"]}, "then": "Discontinued"},
+                        ],
+                        "default": "No status found",
+                    }
+                },
+                "area": {
+                    "$concat": [
+                        {"$toString": {"$multiply": ["$size.h", "$size.w"]}},
+                        " ",
+                        "$size.uom",
+                    ]
+                },
+                "reportNumber": {"$literal": 1},
+            },
+        )
+
+        # End Aggregation Projection Example 1
+
     def test_commands(self):
         db = self.db
         db.restaurants.insert_one({})