refactor: new codebase structure (#139)

* refactor: re-organize structure

* test: fix failed tests

* feat: add integration tests

* fix: explicit encoding file io

* chore: more dry tests

* chore: explicit error exceptions and other enhancements

* fix: Python 3.9 incompatibility with PEP 604

* docs: update docs site

* chore:  add ban import in functions

---------

Co-authored-by: Dat Nguyen <dat@infinitelambda.com>

Author: datnguye

.github/workflows/ci_pr.yml

@@ -3,6 +3,12 @@ name: CI PR
 on:
   pull_request:
     branches: [ main ]
+    paths:
+      - "dbterd/**"
+      - "tests/**"
+      - "pyproject.toml"
+      - "uv.lock"
+      - ".github/workflows/ci_pr.yml"
 
 permissions: read-all
 
@@ -12,7 +18,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
       - uses: actions/checkout@v4
@@ -41,17 +47,18 @@ jobs:
         run: |
           uv run poe lint
 
-      - name: Run tests
+      - name: Run unit tests
         run: |
           uv run poe test-cov
 
-      - name: Generate coverage report
-        run: |
-          uv run coverage xml -o coverage.xml
-
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           file: ./coverage.xml
           fail_ci_if_error: true
+
+      - name: Run integration tests
+        if: matrix.python-version == '3.10'
+        run: |
+          uv run poe test-integration

README.md

@@ -12,7 +12,7 @@ Transform your dbt artifact files or metadata into stunning Entity Relationship
 [![PyPI version](https://badge.fury.io/py/dbterd.svg)](https://pypi.org/project/dbterd/)
 ![python-cli](https://img.shields.io/badge/CLI-Python-FFCE3E?labelColor=14354C&logo=python&logoColor=white)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
-[![python](https://img.shields.io/badge/Python-3.9|3.10|3.11|3.12-3776AB.svg?style=flat&logo=python&logoColor=white)](https://www.python.org)
+[![python](https://img.shields.io/badge/Python-3.9|3.10|3.11|3.12|3.13-3776AB.svg?style=flat&logo=python&logoColor=white)](https://www.python.org)
 [![codecov](https://codecov.io/gh/datnguye/dbterd/graph/badge.svg?token=N7DMQBLH4P)](https://codecov.io/gh/datnguye/dbterd)
 
 [![dbterd stars](https://img.shields.io/github/stars/datnguye/dbterd.svg?logo=github&style=for-the-badge&label=Star%20this%20repo)](https://github.com/datnguye/dbterd)