Add 90% coverage enforcement and diff-cover for new changes

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: Abel Milash

.azdo/ci-pr.yaml

@@ -42,7 +42,7 @@ extends:
 
         - script: |
             python -m pip install --upgrade pip
-            python -m pip install flake8 black build
+            python -m pip install flake8 black build diff-cover
             python -m pip install -e .[dev]
           displayName: 'Install dependencies'
         
@@ -66,9 +66,14 @@ extends:
           displayName: 'Install wheel'
         
         - script: |
-            pytest --junitxml=test-results.xml --cov=PowerPlatform --cov-report=xml --cov-report=term-missing
+            pytest --junitxml=test-results.xml --cov=PowerPlatform --cov-report=xml --cov-report=term-missing --cov-fail-under=90
           displayName: 'Test with pytest'
-        
+
+        - script: |
+            git fetch origin main
+            diff-cover coverage.xml --compare-branch=origin/main --fail-under=90
+          displayName: 'Diff coverage (90% for new changes)'
+
         - task: PublishTestResults@2
           condition: succeededOrFailed()
           inputs:

.github/workflows/python-package.yml

@@ -27,7 +27,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install flake8 black build
+        python -m pip install flake8 black build diff-cover
         python -m pip install -e .[dev]
     
     - name: Check format with black
@@ -51,7 +51,12 @@ jobs:
     
     - name: Test with pytest
       run: |
-        pytest --junitxml=test-results.xml --cov=PowerPlatform --cov-report=xml --cov-report=term-missing
+        pytest --junitxml=test-results.xml --cov=PowerPlatform --cov-report=xml --cov-report=term-missing --cov-fail-under=90
+
+    - name: Diff coverage (90% for new changes)
+      run: |
+        git fetch origin ${{ github.base_ref }}
+        diff-cover coverage.xml --compare-branch=origin/${{ github.base_ref }} --fail-under=90
 
     - name: Upload test results
       if: always()