Add coverage to build.yaml

Author: alex268

.github/workflows/build.yaml

@@ -80,3 +80,72 @@ jobs:
       - name: Build with Maven
         run: mvn $MAVEN_ARGS package
 
+  coverage:
+    name: Coverage JDBC Driver
+    runs-on: ubuntu-latest
+
+    env:
+        MAVEN_ARGS: --batch-mode --update-snapshots -Dstyle.color=always
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set up JDK
+        uses: actions/setup-java@v3
+        with:
+          java-version: 8
+          distribution: 'temurin'
+          cache: 'maven'
+
+      - name: Extract SDK version
+        run: |
+          VERSION=$(mvn help:evaluate -Dexpression=ydb.sdk.version -q -DforceStdout)
+          echo "SDK_VERSION=$VERSION" >> "$GITHUB_ENV"
+
+      - name: Check SDK version
+        run: |
+          echo "NEED_SDK=${{ endsWith(env.SDK_VERSION, 'SNAPSHOT') }}" >> "$GITHUB_ENV"
+
+      - name: Checkout YDB Java SDK
+        if: env.NEED_SDK == 'true'
+        uses: actions/checkout@v3
+        with:
+          repository: ydb-platform/ydb-java-sdk
+          ref: develop
+          path: ydb-java-sdk
+
+      - name: Build YDB Java SDK
+        working-directory: ./ydb-java-sdk
+        if: env.NEED_SDK == 'true'
+        run: mvn $MAVEN_ARGS install
+
+      - name: Remove YDB Java SDK
+        if: env.NEED_SDK == 'true'
+        run: rm -rf ydb-java-sdk
+
+      - name: Checkout YC Auth provider
+        if: env.NEED_SDK == 'true'
+        uses: actions/checkout@v3
+        with:
+          repository: ydb-platform/ydb-java-yc
+          ref: develop
+          path: yc
+
+      - name: Build YC Auth provider
+        working-directory: ./yc
+        if: env.NEED_SDK == 'true'
+        run: mvn $MAVEN_ARGS install
+
+      - name: Remove YC Auth provider
+        if: env.NEED_SDK == 'true'
+        run: rm -rf yc
+
+      - name: Download dependencies
+        run: mvn $MAVEN_ARGS dependency:resolve-plugins dependency:go-offline
+
+      - name: Build with Maven
+        run: mvn $MAVEN_ARGS test
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v3