tests: adding runner for ROOT

[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

.github/workflows/ci.yml

@@ -26,6 +26,7 @@ jobs:
   checks:
     name: Check Python ${{ matrix.python-version }} on ${{ matrix.runs-on }}
     runs-on: ${{ matrix.runs-on }}
+    needs: [pre-commit]
     strategy:
       fail-fast: false
       matrix:
@@ -36,7 +37,6 @@ jobs:
         - python-version: pypy-3.7
           runs-on: ubuntu-latest
 
-
     steps:
     - uses: actions/checkout@v2
 
@@ -47,16 +47,41 @@ jobs:
     - name: Install package
       run: python -m pip install .[test]
 
-    - name: Test package
+    - name: Test
       run: python -m pytest -ra
 
+  root:
+    name: ROOT test
+    runs-on: ubuntu-latest
+    needs: [pre-commit]
+    defaults:
+      run:
+        shell: bash -l {0}
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - uses: conda-incubator/setup-miniconda@v2
+      with:
+        miniforge-variant: Mambaforge
+        use-mamba: true
+        environment-file: environment.yml
+
+    - name: Install package
+      run: pip install .
+
+    - name: Test root
+      run: pytest -ra tests/test_root.py
+
+
 
   dist:
     name: Distribution build
     runs-on: ubuntu-latest
+    needs: [pre-commit]
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
 
     - name: Build sdist and wheel
       run: pipx run build

environment.yml

@@ -0,0 +1,9 @@
+name: uhi
+channels:
+  - conda-forge
+dependencies:
+  - pip
+  - pytest
+  - root
+  - pytest
+  - boost-histogram

noxfile.py

@@ -17,7 +17,7 @@ def lint(session):
     Run the linter.
     """
     session.install("pre-commit")
-    session.run("pre-commit", "run", "--all-files")
+    session.run("pre-commit", "run", "--all-files", *session.posargs)
 
 
 @nox.session(python=ALL_PYTHONS)
@@ -26,7 +26,7 @@ def tests(session):
     Run the unit and regular tests.
     """
     session.install(".[test]")
-    session.run("pytest")
+    session.run("pytest", *session.posargs)
 
 
 @nox.session
@@ -63,3 +63,14 @@ def build(session):
 
     session.install("build")
     session.run("python", "-m", "build")
+
+
+@nox.session(venv_backend="conda")
+def root_tests(session):
+    """
+    Test against ROOT.
+    """
+
+    session.conda_install("--channel=conda-forge", "ROOT", "pytest", "boost-histogram")
+    session.install(".")
+    session.run("pytest", "tests/test_root.py")

tests/test_root.py

@@ -0,0 +1,7 @@
+import pytest
+
+ROOT = pytest.importorskip("ROOT")
+
+
+def test_root_imported():
+    assert ROOT.TString("hi") == "hi"