test [nfc]: Add streams and eg.selfUser to store in several tests

Adding these is necessary for the next commit(s), otherwise these
tests will fail.

Author: sm-sayedi

test/widgets/action_sheet_test.dart

@@ -47,7 +47,7 @@ Future<void> setupToMessageActionSheet(WidgetTester tester, {
 
   await testBinding.globalStore.add(eg.selfAccount, eg.initialSnapshot());
   store = await testBinding.globalStore.perAccount(eg.selfAccount.id);
-  await store.addUser(eg.user(userId: message.senderId));
+  await store.addUsers([eg.selfUser, eg.user(userId: message.senderId)]);
   if (message is StreamMessage) {
     final stream = eg.stream(streamId: message.streamId);
     await store.addStream(stream);

test/widgets/autocomplete_test.dart

@@ -77,10 +77,12 @@ Future<Finder> setupToTopicInput(WidgetTester tester, {
   addTearDown(testBinding.reset);
   await testBinding.globalStore.add(eg.selfAccount, eg.initialSnapshot());
   final store = await testBinding.globalStore.perAccount(eg.selfAccount.id);
+  await store.addUser(eg.selfUser);
   final connection = store.connection as FakeApiConnection;
 
   // prepare message list data
   final stream = eg.stream();
+  await store.addStream(stream);
   final message = eg.streamMessage(stream: stream, sender: eg.selfUser);
   connection.prepare(json: GetMessagesResult(
     anchor: message.id,

test/widgets/compose_box_test.dart

@@ -39,14 +39,22 @@ void main() {
   final contentInputFinder = find.byWidgetPredicate(
     (widget) => widget is TextField && widget.controller is ComposeContentController);
 
-  Future<GlobalKey<ComposeBoxController>> prepareComposeBox(WidgetTester tester,
-      {required Narrow narrow, List<User> users = const []}) async {
+  Future<GlobalKey<ComposeBoxController>> prepareComposeBox(WidgetTester tester, {
+    required Narrow narrow,
+    List<User> users = const [],
+    List<ZulipStream> streams = const [],
+  }) async {
+    if (narrow case ChannelNarrow(:var streamId) || TopicNarrow(: var streamId)) {
+      assert(streams.any((stream) => stream.streamId == streamId),
+        'Add a channel with "streamId" the same as of $narrow.streamId to the store.');
+    }
     addTearDown(testBinding.reset);
     await testBinding.globalStore.add(eg.selfAccount, eg.initialSnapshot());
 
     store = await testBinding.globalStore.perAccount(eg.selfAccount.id);
 
     await store.addUsers([eg.selfUser, ...users]);
+    await store.addStreams(streams);
     connection = store.connection as FakeApiConnection;
 
     final controllerKey = GlobalKey<ComposeBoxController>();
@@ -205,15 +213,17 @@ void main() {
     }
 
     testWidgets('_StreamComposeBox', (tester) async {
+      final channel = eg.stream();
       final key = await prepareComposeBox(tester,
-        narrow: ChannelNarrow(eg.stream().streamId));
+        narrow: ChannelNarrow(channel.streamId), streams: [channel]);
       checkComposeBoxTextFields(tester, controllerKey: key,
         expectTopicTextField: true);
     });
 
     testWidgets('_FixedDestinationComposeBox', (tester) async {
+      final channel = eg.stream();
       final key = await prepareComposeBox(tester,
-        narrow: TopicNarrow.ofMessage(eg.streamMessage()));
+        narrow: TopicNarrow(channel.streamId, 'topic'), streams: [channel]);
       checkComposeBoxTextFields(tester, controllerKey: key,
         expectTopicTextField: false);
     });
@@ -382,7 +392,8 @@ void main() {
       addTearDown(TypingNotifier.debugReset);
 
       final zulipLocalizations = GlobalLocalizations.zulipLocalizations;
-      await prepareComposeBox(tester, narrow: const TopicNarrow(123, 'some topic'));
+      await prepareComposeBox(tester, narrow: const TopicNarrow(123, 'some topic'),
+        streams: [eg.stream(streamId: 123)]);
 
       await tester.enterText(contentInputFinder, 'hello world');
 
@@ -447,8 +458,10 @@ void main() {
         TypingNotifier.debugEnable = false;
         addTearDown(TypingNotifier.debugReset);
 
-        final narrow = ChannelNarrow(eg.stream().streamId);
-        final controllerKey = await prepareComposeBox(tester, narrow: narrow);
+        final channel = eg.stream();
+        final narrow = ChannelNarrow(channel.streamId);
+        final controllerKey = await prepareComposeBox(tester,
+          narrow: narrow, streams: [channel]);
         final composeBoxController = controllerKey.currentState!;
 
         // (When we check that the send button looks disabled, it should be because
@@ -507,8 +520,10 @@ void main() {
         TypingNotifier.debugEnable = false;
         addTearDown(TypingNotifier.debugReset);
 
-        final narrow = ChannelNarrow(eg.stream().streamId);
-        final controllerKey = await prepareComposeBox(tester, narrow: narrow);
+        final channel = eg.stream();
+        final narrow = ChannelNarrow(channel.streamId);
+        final controllerKey = await prepareComposeBox(tester,
+          narrow: narrow, streams: [channel]);
         final composeBoxController = controllerKey.currentState!;
 
         // (When we check that the send button looks disabled, it should be because

test/widgets/message_list_test.dart

@@ -104,6 +104,7 @@ void main() {
     testWidgets('MessageListPageState.narrow', (tester) async {
       final stream = eg.stream();
       await setupMessageListPage(tester, narrow: ChannelNarrow(stream.streamId),
+        streams: [stream],
         messages: [eg.streamMessage(stream: stream, content: "<p>a message</p>")]);
       final state = MessageListPage.ancestorOf(tester.element(find.text("a message")));
       check(state.narrow).equals(ChannelNarrow(stream.streamId));
@@ -112,6 +113,7 @@ void main() {
     testWidgets('composeBoxController finds compose box', (tester) async {
       final stream = eg.stream();
       await setupMessageListPage(tester, narrow: ChannelNarrow(stream.streamId),
+        streams: [stream],
         messages: [eg.streamMessage(stream: stream, content: "<p>a message</p>")]);
       final state = MessageListPage.ancestorOf(tester.element(find.text("a message")));
       check(state.composeBoxController).isNotNull();