refactor(spec): add uint8 for int encoding and templatize (Azure#711)

- .net generator doesn't support `uint32` yet, so add a `uint8` test case
- templatize int encoding test cases

---------

Co-authored-by: Mingzhe Huang (from Dev Box) <[email protected]>

.changeset/lemon-walls-attend.md

@@ -0,0 +1,5 @@
+---
+"@azure-tools/cadl-ranch-specs": patch
+---
+
+refactor(spec): add uint8 for int encoding and templatize

packages/cadl-ranch-specs/cadl-ranch-summary.md

@@ -2442,6 +2442,27 @@ Expected response body:
 }
 ```
 
+### Encode_Numeric_Property_uint8AsString
+
+- Endpoint: `post /encode/numeric/property/uint8`
+
+Test operation with request and response model contains property of uint8 type with string encode.
+Expected request body:
+
+```json
+{
+  "value": "255"
+}
+```
+
+Expected response body:
+
+```json
+{
+  "value": "255"
+}
+```
+
 ### Parameters_Basic_ExplicitBody_simple
 
 - Endpoint: `put /parameters/basic/explicit-body/simple`

packages/cadl-ranch-specs/http/encode/numeric/main.tsp

@@ -13,53 +13,60 @@ namespace Encode.Numeric;
 @operationGroup
 @route("/property")
 namespace Property {
+  alias SendSafeIntAsString = SendIntAsString<safeint, "10000000000", SafeintAsStringProperty>;
+
   @route("/safeint")
-  @scenario
-  @scenarioDoc("""
-    Test operation with request and response model contains property of safeint type with string encode.
-    Expected request body:
-    ```json
-    {
-      "value": "10000000000"
-    }
-    ```
-    Expected response body:
-    ```json
-    {
-      "value": "10000000000"
-    }
-    ```
-    """)
-  @post
-  op safeintAsString(@body body: SafeintAsStringProperty): SafeintAsStringProperty;
+  op safeintAsString is SendSafeIntAsString.sendIntAsString;
 
   model SafeintAsStringProperty {
     @encode(string)
     value: safeint;
   }
 
+  alias SendUint32AsString = SendIntAsString<uint32, "1", Uint32AsStringProperty>;
+
   @route("/uint32")
-  @scenario
-  @scenarioDoc("""
-    Test operation with request and response model contains property of uint32 type with string encode.
-    Expected request body:
-    ```json
-    {
-      "value": "1"
-    }
-    ```
-    Expected response body:
-    ```json
-    {
-      "value": "1"
-    }
-    ```
-    """)
-  @post
-  op uint32AsStringOptional(@body body: Uint32AsStringProperty): Uint32AsStringProperty;
+  op uint32AsStringOptional is SendUint32AsString.sendIntAsString;
 
   model Uint32AsStringProperty {
     @encode(string)
     value?: uint32;
   }
+
+  alias SendUint8AsString = SendIntAsString<uint8, "255", Uint8AsStringProperty>;
+
+  @route("/uint8")
+  op uint8AsString is SendUint8AsString.sendIntAsString;
+
+  model Uint8AsStringProperty {
+    @encode(string)
+    value: uint8;
+  }
+
+  interface SendIntAsString<IntType extends integer, StringValue extends string, Payload> {
+    @scenario
+    @scenarioDoc(
+      """
+        Test operation with request and response model contains property of {type} type with string encode.
+        Expected request body:
+        ```json
+        {
+          "value": "{value}"
+        }
+        ```
+        Expected response body:
+        ```json
+        {
+          "value": "{value}"
+        }
+        ```
+        """,
+      {
+        type: IntType,
+        value: StringValue,
+      }
+    )
+    @post
+    sendIntAsString(@body value: Payload): Payload;
+  }
 }

packages/cadl-ranch-specs/http/encode/numeric/mockapi.ts

@@ -17,3 +17,5 @@ function createPropertyMockApis(route: string, value: string): MockApi {
 Scenarios.Encode_Numeric_Property_safeintAsString = passOnSuccess(createPropertyMockApis("safeint", "10000000000"));
 
 Scenarios.Encode_Numeric_Property_uint32AsStringOptional = passOnSuccess(createPropertyMockApis("uint32", "1"));
+
+Scenarios.Encode_Numeric_Property_uint8AsString = passOnSuccess(createPropertyMockApis("uint8", "255"));