set up CI

.github/workflows/ci.yaml

@@ -0,0 +1,91 @@
+name: CI
+on:
+  push:
+    branches:
+      - "main"
+  pull_request:
+    branches:
+      - "main"
+  workflow_dispatch: # allows triggering manually
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  detect-ci-trigger:
+    name: detect ci trigger
+    runs-on: ubuntu-latest
+    if: |
+      github.repository == 'xarray-contrib/xarray-array-testing'
+      && (github.event_name == 'push' || github.event_name == 'pull_request')
+    outputs:
+      triggered: ${{ steps.detect-trigger.outputs.trigger-found }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+
+      - uses: xarray-contrib/ci-trigger@v1
+        id: detect-trigger
+        with:
+          keyword: "[skip-ci]"
+
+  test:
+    name: ${{ matrix.os }} py${{ matrix.python-version }}
+    runs-on: ${{ matrix.os }}
+    needs: detect-ci-trigger
+    if: needs.detect-ci-trigger.outputs.triggered == 'false'
+    env:
+      FORCE_COLOR: 3
+      CONDA_ENV_FILE: "ci/requirements/environment.yaml"
+    defaults:
+      run:
+        shell: bash -l {0}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ["ubuntu-latest", "macos-latest", "windows-latest"]
+        python-version: ["3.11", "3.12"]
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup micromamba
+        uses: mamba-org/setup-micromamba@v1
+        with:
+          environment-file: ci/requirements/environment.yaml
+          environment-name: tests
+          cache-environment: true
+          cache-environment-key: "${{runner.os}}-${{runner.arch}}-py${{matrix.python-version}}-${{env.TODAY}}-${{hashFiles(env.CONDA_ENV_FILE)}}"
+          create-args: >-
+            python=${{matrix.python-version}}
+            conda
+
+      - name: Install xarray-array-testing
+        run: |
+          python -m pip install --no-deps -e .
+
+      - name: Version info
+        run: |
+          conda info -a
+          conda list
+
+      - name: Import xarray-array-testing
+        run: |
+          python -c 'import xarray_array_testing'
+
+      - name: Restore cached hypothesis directory
+        uses: actions/cache@v4
+        with:
+          path: .hypothesis/
+          key: cache-hypothesis
+          enableCrossOsArchive: true
+          save-always: true
+
+      - name: Run tests
+        run: |
+          python -m pytest --cov=xarray_array_testing

ci/requirements/environment.yaml

@@ -7,3 +7,6 @@ dependencies:
   - pre-commit
   - pytest
   - pytest-reportlog
+  - hypothesis
+  - xarray
+  - numpy

pyproject.toml

@@ -2,7 +2,10 @@
 name = "xarray-array-testing"
 requires-python = ">= 3.12"
 license = {text = "Apache-2.0"}
-dependencies = []
+dependencies = [
+    "hypothesis",
+    "xarray",
+]
 dynamic = ["version"]
 
 [build-system]