feat: support --fake for aerich upgrade (#398)

* feat: support `--fake` for aerich upgrade

* Add `--fake` to downgrade

* tests: check --fake result for aerich upgrade and downgrade

* Update readme

* Fix unittest failed because of `db_field_types` changed

* refactor: improve type hints and document

.github/workflows/ci.yml

@@ -25,20 +25,20 @@ jobs:
           - tortoise021
           - tortoise022
           - tortoise023
-          - tortoisedev
+          - tortoise024
     steps:
       - name: Start MySQL
         run: sudo systemctl start mysql.service
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
       - uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('**/poetry.lock') }}
           restore-keys: |
             ${{ runner.os }}-pip-
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
-        with:
-          python-version: ${{ matrix.python-version }}
       - name: Install and configure Poetry
         run: |
           pip install -U pip poetry
@@ -54,11 +54,23 @@ jobs:
       - name: Install TortoiseORM v0.23
         if: matrix.tortoise-orm == 'tortoise023'
         run: poetry run pip install --upgrade "tortoise-orm>=0.23,<0.24"
+      - name: Install TortoiseORM v0.24
+        if: matrix.tortoise-orm == 'tortoise024'
+        run: |
+          if [[ "${{ matrix.python-version }}" == "3.8" ]]; then
+            echo "Skip test for tortoise v0.24 as it does not support Python3.8"
+          else
+            poetry run pip install --upgrade "tortoise-orm>=0.24,<0.25"
+          fi
       - name: Install TortoiseORM develop branch
         if: matrix.tortoise-orm == 'tortoisedev'
         run: |
-          poetry run pip uninstall -y tortoise-orm
-          poetry run pip install --upgrade "git+https://github.com/tortoise/tortoise-orm"
+          if [[ "${{ matrix.python-version }}" == "3.8" ]]; then
+            echo "Skip test for tortoise develop branch as it does not support Python3.8"
+          else
+            poetry run pip uninstall -y tortoise-orm
+            poetry run pip install --upgrade "git+https://github.com/tortoise/tortoise-orm"
+          fi
       - name: CI
         env:
           MYSQL_PASS: root