fix if tests are in own module

.pre-commit-config.yaml

@@ -0,0 +1,74 @@
+repos:
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v2.5.0
+    hooks:
+    -   id: check-yaml
+    -   id: check-toml
+    -   id: fix-encoding-pragma
+-   repo: https://github.com/psf/black
+    rev: 19.10b0
+    hooks:
+    -   id: black
+- repo: local
+  hooks:
+  - id: flynt
+    name: flynt
+    entry: flynt
+    args: [--fail-on-change]
+    types: [python]
+    language: python
+    additional_dependencies:
+       - flynt
+#-   repo: local
+#    hooks:
+#    -  id: isort
+#       name: run isort
+#       entry: isort
+#       args: [-yq]
+#       language: python
+#       additional_dependencies:
+#         - isort
+#         - toml
+#- repo: local
+#  hooks:
+#  - id: tests
+#    name: run tests
+#    entry: pytest -s
+#    language: python
+#    types: [python]
+#    stages: [push]
+#    additional_dependencies:
+#      - pytest
+#      - pytest-cov
+#- repo: local
+#  hooks:
+#  - id: pydocstyle
+#    name: pydocstyle
+#    description: 'Check for adherence to python docstring conventions.'
+#    entry: pydocstyle
+#    language: python
+#    types: [python]
+#    additional_dependencies:
+#      - pydocstyle
+#- repo: https://github.com/pre-commit/mirrors-pylint
+#  rev: v2.5.2
+#  hooks:
+#    - id: pylint
+#- repo: local
+#  hooks:
+#  - id: bandit
+#    name: bandit
+#    description: 'Find common security issues in Python code'
+#    entry: bandit
+#    language: python
+#    types: [python]
+#- repo: local
+#  hooks:
+#  - id: poetry-dynamic-versioning
+#    name: update version from SCM tags
+#    entry: poetry-dynamic-versioning
+#    always_run: true
+#    exclude: .*
+#    language: python
+#    additional_dependencies:
+#      - poetry-dynamic-versioning

.travis.yml

@@ -1,12 +1,12 @@
 sudo: false
 language: python
 python:
-- '3.7'
+- '3.8'
 before_install:
   - pip install poetry
 install:
   - poetry install -v
 script:
-  - poetry run pytest -s
+  - poetry run nox -s tests
 after_success:
   - bash <(curl -s https://codecov.io/bash) -X gcov

noxfile.py

@@ -0,0 +1,47 @@
+# -*- coding: utf-8 -*-
+"""Nox testing environment defs."""
+# cribbed from https://cjolowicz.github.io/posts/hypermodern-python-03-linting/
+
+# standard library imports
+import tempfile
+
+# third-party imports
+import nox
+
+CODE_LOCATIONS = (
+    "pytest_datadir_mgr",
+    "tests",
+    "noxfile.py",
+)
+
+
+def install_with_constraints(session, *args, **kwargs):
+    """Get dependencies from poetry."""
+    with tempfile.NamedTemporaryFile() as requirements:
+        session.run(
+            "poetry",
+            "export",
+            "--dev",
+            "--format=requirements.txt",
+            f"--output={requirements.name}",
+            external=True,
+        )
+        session.install(f"--constraint={requirements.name}", *args, **kwargs)
+
+
+@nox.session(python=["3.8"])
+def tests(session):
+    """Run tests with pytest and pytest-cov."""
+    args = session.posargs or ["--cov"]
+    session.run("poetry", "install", "--no-dev", external=True)
+    install_with_constraints(session, "coverage[toml]", "pytest", "pytest-cov")
+    session.run("pytest", *args)
+
+
+@nox.session(python=["3.8"])
+def lint_pylint(session):
+    """Run lint on all code."""
+    args = session.posargs or CODE_LOCATIONS
+    session.run("poetry", "install", "--no-dev", external=True)
+    install_with_constraints(session, "pylint", "nox")
+    session.run("pylint", *args)