[Azure Load Testing] Fixing Typespec for SDK Generation via DPG (Azur…

…e#31083)

* Move client customizations to clients file

* Merge Administration and Run Client

---------

Co-authored-by: Harshan B <Harshan01@gmail.com>

specification/loadtestservice/LoadTestService/client.tsp

@@ -8,6 +8,11 @@ using Microsoft.LoadTestService;
 @useDependency(APIVersions.v2024_05_01_preview)
 namespace Customizations;
 
+// Client customizations should be kept in this file only and not in other files
+// Model related customizations here (Ref: https://azure.github.io/typespec-azure/docs/howtos/DataPlane%20Generation%20-%20DPG/04renaming):
+@@clientName(MetricDimensionsRequest.metricname, "metric_name", "python");
+@@clientName(MetricDimensionsRequest.timespan, "time_interval", "python");
+
 #suppress "@azure-tools/typespec-azure-core/use-standard-operations"
 @client({
   name: "LoadTestAdministrationClient",
@@ -58,8 +63,10 @@ interface TestRunOperations {
   stop is LoadTestRun.stop;
 }
 
+// NOTE: `LoadTestAdministrationClient` will contain all administration operations and `LoadTestRunClient` will contain all run based operations
+// A separate interface is made to just segregate the operations by resource type
 @client({
-  name: "TestProfileAdministrationClient",
+  name: "LoadTestAdministrationClient",
   service: Microsoft.LoadTestService,
 })
 interface TestProfileAdministrationOperations {
@@ -70,7 +77,7 @@ interface TestProfileAdministrationOperations {
 }
 
 @client({
-  name: "TestProfileRunClient",
+  name: "LoadTestRunClient",
   service: Microsoft.LoadTestService,
 })
 interface TestProfileRunOperations {

specification/loadtestservice/LoadTestService/models.tsp

@@ -1,12 +1,10 @@
 import "@typespec/rest";
 import "@typespec/http";
 import "@azure-tools/typespec-azure-core";
-import "@azure-tools/typespec-client-generator-core";
 
 using TypeSpec.Rest;
 using TypeSpec.Http;
 using TypeSpec.Versioning;
-using Azure.ClientGenerator.Core;
 
 namespace Microsoft.LoadTestService;
 
@@ -1127,7 +1125,6 @@ model MetricDimensionsRequest {
     The timespan of the query. It is a string with the following format 'startDateTime_ISO/endDateTime_ISO'.
     """)
   @query
-  @clientName("time_interval", "python")
   timespan: string;
 }