api/backup: add unit test for creating a new backup when initialzed

Author: benma

src/rust/bitbox02-rust/src/hww/api/backup.rs

@@ -179,6 +179,7 @@ mod tests {
 
         let mut mock_hal = TestingHal::new();
         mock_hal.sd.inserted = Some(true);
+        bitbox02::securechip::fake_event_counter_reset();
         assert_eq!(
             block_on(create(
                 &mut mock_hal,
@@ -189,6 +190,7 @@ mod tests {
             )),
             Ok(Response::Success(pb::Success {}))
         );
+        assert_eq!(bitbox02::securechip::fake_event_counter(), 1);
         assert_eq!(EXPECTED_TIMESTMAP, bitbox02::memory::get_seed_birthdate());
         assert_eq!(
             mock_hal.ui.screens,
@@ -216,6 +218,68 @@ mod tests {
         );
     }
 
+    /// Test backup creation on a initialized keystore. The sdcard does not contain the backup yet.
+    #[test]
+    pub fn test_create_initialized_new() {
+        const TIMESTMAP: u32 = 1601281809;
+
+        mock_memory();
+
+        let seed = hex::decode("cb33c20cea62a5c277527e2002da82e6e2b37450a755143a540a54cea8da9044")
+            .unwrap();
+        bitbox02::keystore::encrypt_and_store_seed(&seed, "password").unwrap();
+        bitbox02::memory::set_initialized().unwrap();
+
+        let mut password_entered: bool = false;
+
+        let mut mock_hal = TestingHal::new();
+        mock_hal.sd.inserted = Some(true);
+        mock_hal.ui.set_enter_string(Box::new(|_params| {
+            password_entered = true;
+            Ok("password".into())
+        }));
+        bitbox02::securechip::fake_event_counter_reset();
+        assert_eq!(
+            block_on(create(
+                &mut mock_hal,
+                &pb::CreateBackupRequest {
+                    timestamp: TIMESTMAP,
+                    timezone_offset: 18000,
+                }
+            )),
+            Ok(Response::Success(pb::Success {}))
+        );
+        assert_eq!(bitbox02::securechip::fake_event_counter(), 6);
+        assert_eq!(
+            mock_hal.ui.screens,
+            vec![
+                Screen::Confirm {
+                    title: "Is today?".into(),
+                    body: "Mon 2020-09-28".into(),
+                    longtouch: false
+                },
+                Screen::Status {
+                    title: "Backup created".into(),
+                    success: true
+                }
+            ]
+        );
+
+        mock_hal.ui.remove_enter_string(); // no more password entry needed
+        assert_eq!(
+            block_on(check(
+                &mut mock_hal,
+                &pb::CheckBackupRequest { silent: true }
+            )),
+            Ok(Response::CheckBackup(pb::CheckBackupResponse {
+                id: backup::id(&seed),
+            }))
+        );
+
+        drop(mock_hal); // to remove mutable borrow of `password_entered`
+        assert!(password_entered);
+    }
+
     /// Use backup file fixtures generated using firmware v9.12.0 and perform tests on it. This
     /// should catch regressions when changing backup loading/verification in the firmware code.
     #[test]

src/rust/bitbox02-rust/src/hww/api/show_mnemonic.rs

@@ -139,10 +139,13 @@ mod tests {
 
         bitbox02::memory::set_initialized().unwrap();
 
+        let mut password_entered: bool = false;
+
         let mut mock_hal = TestingHal::new();
-        mock_hal
-            .ui
-            .set_enter_string(Box::new(|_params| Ok("password".into())));
+        mock_hal.ui.set_enter_string(Box::new(|_params| {
+            password_entered = true;
+            Ok("password".into())
+        }));
 
         bitbox02::securechip::fake_event_counter_reset();
         assert_eq!(
@@ -173,6 +176,9 @@ mod tests {
                 },
             ]
         );
+
+        drop(mock_hal); // to remove mutable borrow of `password_entered`
+        assert!(password_entered);
     }
 
     /// When initialized, a password check is prompted before displaying the mnemonic.

src/rust/bitbox02-rust/src/workflow/testing.rs

@@ -206,4 +206,8 @@ impl<'a> TestingWorkflows<'a> {
     pub fn set_enter_string(&mut self, cb: EnterStringCb<'a>) {
         self._enter_string = Some(cb);
     }
+
+    pub fn remove_enter_string(&mut self) {
+        self._enter_string = None;
+    }
 }