ci: fix codecov workflow - projects and targets inferred from nx graph

Author: matejchalk

.github/workflows/code-coverage.yml

@@ -1,29 +1,69 @@
 name: Code Coverage
 
-on:
-  push:
-    branches: [main]
+# TODO: revert
+on: push
+# on:
+#   push:
+#     branches: [main]
 
 env:
   NX_NON_NATIVE_HASHER: true
   NX_CLOUD_ACCESS_TOKEN: ${{ secrets.NX_CLOUD_ACCESS_TOKEN }}
 
 jobs:
+  list-packages:
+    name: List packages
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v4
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: .nvmrc
+          cache: npm
+      - name: Install dependencies
+        run: npm ci
+      - name: List packages using Nx CLI
+        id: project
+        run: |
+          packages=$(npx nx show projects --projects="packages/*" | sort)
+          printf "All packages:\n$packages\n\n"
+          packages_with_unit_tests=$(npx nx show projects --with-target=unit-test --projects="packages/*" | sort)
+          packages_with_int_tests=$(npx nx show projects --with-target=int-test --projects="packages/*" | sort)
+          printf "Packages with unit tests:\n$packages_with_unit_tests\n\n"
+          printf "Packages with integration tests:\n$packages_with_int_tests\n\n"
+          array2json () {
+            echo "$1" | sed 's/ /\n/g' | sed '/^$/d' | jq -R | jq -s -c
+          }
+          project=$(array2json $packages)
+          echo "project=$project" >> $GITHUB_OUTPUT
+          printf "GitHub output:\nproject=$project\n\n"
+      - name: Exclude package tests with missing target
+        id: exclude
+        run: |
+          packages_without_unit_tests=$(comm -23 <(echo $packages) <(echo $packages_with_unit_tests))
+          packages_without_int_tests=$(comm -23 <(echo $packages) <(echo $packages_with_int_tests))
+          printf "Packages without unit tests:\n$packages_without_unit_tests\n\n"
+          printf "Packages without integration tests:\n$packages_without_int_tests\n\n"
+          exclude_unit_tests=$(array2json $packages_without_unit_tests | jq 'map({ "project": ., "target": "unit-test" })')
+          exclude_int_tests=$(array2json $packages_without_int_tests | jq 'map({ "project": ., "target": "int-test" })')
+          exclude=$(echo "$exclude_unit_tests\n$exclude_int_tests" | jq -s -c add)
+          echo "exclude=$exclude" >> $GITHUB_OUTPUT
+          printf "GitHub output:\nexclude=$exclude\n\n"
+    outputs:
+      project: ${{ steps.project.outputs.project }}
+      exclude: ${{ steps.exclude.outputs.exclude }}
+
   coverage:
+    needs: [list-packages]
     strategy:
       fail-fast: false
       matrix:
-        lib:
-          - cli
-          - core
-          - models
-          - utils
-          - plugin-eslint
-          - plugin-coverage
-          - plugin-js-packages
-          - plugin-lighthouse
-        scope: [unit, int]
-    name: Update code coverage
+        project: ${{ fromJson(needs.list-packages.outputs.project) }}
+        target: [unit-test, int-test]
+        exclude: ${{ fromJson(needs.list-packages.outputs.exclude) }}
+    name: Collect code coverage
     runs-on: ubuntu-latest
     steps:
       - name: Checkout the repository
@@ -35,13 +75,13 @@ jobs:
           cache: npm
       - name: Install dependencies
         run: npm ci
-      - name: Execute all tests and generate coverage reports
-        run: npx nx run ${{ matrix.lib }}:${{ matrix.scope }}-test --coverage.enabled
+      - name: Execute tests with coverage
+        run: npx nx run ${{ matrix.project }}:${{ matrix.target }} --coverage.enabled
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v4
         with:
-          directory: coverage/${{ matrix.lib }}/${{ matrix.scope }}-tests/
+          directory: coverage/${{ matrix.project }}/${{ matrix.target }}s/
           files: ./lcov.info
-          flags: ${{ matrix.lib }}-${{ matrix.scope }}
+          flags: ${{ matrix.project }}-${{ matrix.target }}
           token: ${{ secrets.CODECOV_TOKEN }}
           fail_ci_if_error: true