Setup CI/CD for the main branch

.github/workflows/main.yaml

@@ -0,0 +1,29 @@
+name: SQLMesh Main
+
+on:
+  pull_request:
+    branches: [ main ]
+jobs:
+  style-and-unit-tests:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        make install-dev
+    - name: Run linters and code style checks
+      run: |
+        make style
+    - name: Run unit tests
+      run: |
+        make unit-test
+    - name: Run doc tests
+      run: |
+        make doc-test

tests/utils/test_metaprogramming.py

@@ -1,3 +1,4 @@
+import sys
 import typing as t
 
 import pandas as pd
@@ -104,6 +105,8 @@ def test_serialize_env() -> None:
     build_env(main_func, env=env, name="MAIN", module="tests")
     env = serialize_env(env, module="tests", prefix="PREFIX ")  # type: ignore
 
+    lambda_no_args_padding = " " if sys.version_info < (3, 11) else ""
+
     assert env == {
         "MAIN": """PREFIX def main_func(y):
     sqlglot.parse_one('1')
@@ -133,7 +136,7 @@ def baz(self):
         return KLASS_Z""",
         "pd": "PREFIX import pandas as pd",
         "sqlglot": "PREFIX import sqlglot",
-        "my_lambda": "PREFIX my_lambda = lambda : print('z')",
+        "my_lambda": f"PREFIX my_lambda = lambda{lambda_no_args_padding}: print('z')",
         "other_func": """PREFIX def other_func(a):
     import sqlglot
     sqlglot.parse_one('1')
@@ -165,7 +168,7 @@ def test_fun():
 
     expected_message = f"""Traceback (most recent call last):
 
-  File "{__file__}", line 162, in test_print_exception
+  File "{__file__}", line 165, in test_print_exception
     eval("test_fun()", env)
 
   File "<string>", line 1, in <module>