Setup CI (#1)

.github/workflows/test.yml

@@ -0,0 +1,54 @@
+name: Test
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        julia-version:
+          - '1'
+          # - '1.6'
+          - 'nightly'
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.julia-version }}
+      - uses: julia-actions/julia-runtest@v1
+      - uses: julia-actions/julia-processcoverage@v1
+      - uses: codecov/codecov-action@v1
+        with:
+          file: ./lcov.info
+          flags: Pkg.test
+          name: codecov-umbrella
+  check:
+    if: always() && github.event.pull_request
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+      - name: "Dump jobs' conclusion"
+        run: |
+          gh api repos/tkf/Try.jl/actions/runs/${{ github.run_id }}/jobs \
+            --jq '.jobs[] | select(.conclusion != null) | { name, conclusion }'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        shell: bash
+      - name: "Check test matrix"
+        run: |
+          num_non_successes="$(
+            gh api repos/tkf/Try.jl/actions/runs/${{ github.run_id }}/jobs \
+              --jq '[.jobs[] | select(.conclusion != null) | .conclusion | select(. != "success")] | length' \
+          )"
+
+          echo "num_non_successes = $num_non_successes"
+          [ "$num_non_successes" = 0 ]
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        shell: bash