Add CI and pre-commit config

.github/workflows/tests.yml

@@ -0,0 +1,37 @@
+name: tests
+
+on:
+  push:
+    branches: [ main ]
+    paths:
+    - '**.py'
+    - '.github/workflows/tests.yml'
+  pull_request:
+    branches: [ main ]
+    paths:
+    - '**.py'
+    - '.github/workflows/tests.yml'
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.8"]
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: python3 -m pip install '.[test]'
+    - name: Lint with ruff
+      run: |
+        python -m pip install ruff
+        python -m ruff check .
+    - name: Test with unittest
+      run: |
+        python -m unittest

.pre-commit-config.yaml

@@ -0,0 +1,15 @@
+repos:
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.3.0
+  hooks:
+  - id: check-yaml
+  - id: end-of-file-fixer
+  - id: trailing-whitespace
+- repo: https://github.com/astral-sh/ruff-pre-commit
+  rev: v0.1.6
+  hooks:
+    # Run the linter.
+    - id: ruff
+      args: [ --fix ]
+    # Run the formruatter.
+    - id: ruff-format

pyproject.toml

@@ -16,10 +16,13 @@ readme = "README.md"
 classifiers = ["License :: OSI Approved :: MIT License"]
 
 [project.optional-dependencies]
-test = ["fastjsonschema==2.19.0"]
+test = ["fastjsonschema==2.19.0", "coverage[toml]"]
 
 [project.urls]
 Home = "https://github.com/abhidg/infer-schema"
 
 [project.scripts]
 infer-schema = "infer_schema:main"
+
+[tool.coverage.run]
+omit = ["tests/*", "test_*"]

test_infer_schema.py

@@ -85,7 +85,7 @@ def validate_csv(file: str, jsonschema_file: str, explicit_nulls: bool = False)
         for row in reader:
             try:
                 validate(
-                    crow := casted_row(
+                    casted_row(
                         row,
                         integer_columns,
                         numeric_columns,