test: improved context mocking on TestProvider (#7433)

Author: jordanl17

packages/sanity/test/testUtils/TestProvider.tsx

@@ -1,6 +1,8 @@
 import {type SanityClient} from '@sanity/client'
 import {LayerProvider, studioTheme, ThemeProvider, ToastProvider} from '@sanity/ui'
+import {noop} from 'lodash'
 import {type ReactNode} from 'react'
+import {AddonDatasetContext} from 'sanity/_singletons'
 
 import {
   CopyPasteProvider,
@@ -14,9 +16,10 @@ import {
 } from '../../src/core'
 import {studioDefaultLocaleResources} from '../../src/core/i18n/bundles/studio'
 import {prepareI18n} from '../../src/core/i18n/i18nConfig'
+import {route, RouterProvider} from '../../src/router'
 import {getMockWorkspace} from './getMockWorkspaceFromConfig'
 
-interface TestProviderOptions {
+export interface TestProviderOptions {
   config?: SingleWorkspace
   client?: SanityClient
   resources?: LocaleResourceBundle[]
@@ -37,25 +40,40 @@ export async function createTestProvider({
     i18n: {bundles: resources},
   })
 
+  const router = route.create('/')
+
   await i18next.init()
 
   function TestProvider({children}: {children: ReactNode}) {
     return (
-      <ThemeProvider theme={studioTheme}>
-        <LocaleProviderBase locales={locales} i18next={i18next} projectId="test" sourceId="test">
-          <ToastProvider>
-            <LayerProvider>
-              <WorkspaceProvider workspace={workspace}>
-                <SourceProvider source={workspace.unstable_sources[0]}>
-                  <CopyPasteProvider>
-                    <ResourceCacheProvider>{children}</ResourceCacheProvider>
-                  </CopyPasteProvider>
-                </SourceProvider>
-              </WorkspaceProvider>
-            </LayerProvider>
-          </ToastProvider>
-        </LocaleProviderBase>
-      </ThemeProvider>
+      <RouterProvider router={router} state={{}} onNavigate={noop}>
+        <ThemeProvider theme={studioTheme}>
+          <LocaleProviderBase locales={locales} i18next={i18next} projectId="test" sourceId="test">
+            <ToastProvider>
+              <LayerProvider>
+                <WorkspaceProvider workspace={workspace}>
+                  <SourceProvider source={workspace.unstable_sources[0]}>
+                    <CopyPasteProvider>
+                      <ResourceCacheProvider>
+                        <AddonDatasetContext.Provider
+                          value={{
+                            createAddonDataset: async () => Promise.resolve(null),
+                            isCreatingDataset: false,
+                            client: null,
+                            ready: true,
+                          }}
+                        >
+                          {children}
+                        </AddonDatasetContext.Provider>
+                      </ResourceCacheProvider>
+                    </CopyPasteProvider>
+                  </SourceProvider>
+                </WorkspaceProvider>
+              </LayerProvider>
+            </ToastProvider>
+          </LocaleProviderBase>
+        </ThemeProvider>
+      </RouterProvider>
     )
   }