Add dev requirements in pyproject.toml

Deprecate requirements-dev.txt

.github/workflows/continuous-integration.yml

@@ -31,8 +31,8 @@ jobs:
             -   name: Install dependencies
                 run: |
                     python -m pip install --upgrade pip
-                    if [ -f requirements_dev.txt ]; then pip install -r requirements_dev.txt; fi
                     pip install .
+                    pip install .[test]
             -   name: Lint with flake8
                 run: |
                     make lint

pyproject.toml

@@ -34,7 +34,13 @@ dependencies = [
 [project.scripts]
 mrdataset = "MRdataset.cli:cli"
 mrds = "MRdataset.cli:cli"
-
+[project.optional-dependencies]
+test = [
+    "pytest~=7.1.2",
+    "hypothesis>=6.97.1",
+    "flake8",
+    "coverage"
+]
 [project.urls]
 Homepage = "https://github.com/Open-Minds-Lab/MRdataset"
 Documentation = "https://open-minds-lab.github.io/MRdataset/"