Exceptions in refresh are handled properly and 401s prompt a retry

.github/workflows/coverage.yaml

@@ -0,0 +1,42 @@
+name: Coverage
+on: 
+  pull_request:
+
+jobs:
+  test:
+    runs-on: [self-hosted, internal-linux]
+
+    steps:
+      - uses: actions/checkout@v4
+        name: Checkout
+
+      - name: Setup LCOV
+        uses: hrishikesh-kadam/setup-lcov@v1
+
+      - name: Install correct version of flutter
+        run: |
+          dart pub global activate fvm
+          fvm install
+
+      - name: Clean
+        run: |
+          fvm flutter clean
+
+      - name: Install project dependencies
+        run: |
+          fvm flutter pub get
+
+      - name: Run code generation
+        run: |
+          fvm flutter pub run build_runner build --delete-conflicting-outputs
+
+      - name: Run tests
+        run: fvm flutter test --coverage --test-randomize-ordering-seed random
+
+      - name: Report code coverage
+        uses: zgosalvez/github-actions-report-lcov@v3
+        with:
+          coverage-files: coverage/lcov.info
+          minimum-coverage: 100
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          update-comment: true

CHANGELOG.md

@@ -1,3 +1,8 @@
+## 2.3.0
+
+- Token refresh failures no longer throw an exception
+- Refresh is automatically called when a 401 is recieved
+
 ## 2.2.1
 
 - Updated flutter_secure_storage to 9.2.4

README.md

@@ -65,3 +65,7 @@ class CustomGrantType implements OAuthGrantType {
     }
 }
 ```
+
+### Interceptor flowchart
+
+![Flow chart showing interceptor logic](documentation/request_flow.drawio.svg)