Use codecov for coverage reports (#6941)

Author: DonJayamanne

CONTRIBUTING.md

@@ -7,7 +7,7 @@
 
 | `release` branch | `master` branch | Nightly CI | coverage (`master` branch) |
 |-|-|-|-|
-| [![Build Status](https://dev.azure.com/ms/vscode-python/_apis/build/status/CI?branchName=release)](https://dev.azure.com/ms/vscode-python/_build/latest?definitionId=88&branchName=release) | [![Build Status](https://dev.azure.com/ms/vscode-python/_apis/build/status/CI?branchName=master)](https://dev.azure.com/ms/vscode-python/_build/latest?definitionId=88&branchName=master) | [![Build Status](https://dev.azure.com/ms/vscode-python/_apis/build/status/Nightly%20Build?branchName=master)](https://dev.azure.com/ms/vscode-python/_build/latest?definitionId=85&branchName=master) | [![Coverage Status](https://coveralls.io/repos/github/microsoft/vscode-python/badge.svg?branch=master)](https://coveralls.io/github/microsoft/vscode-python?branch=master) |
+| [![Build Status](https://dev.azure.com/ms/vscode-python/_apis/build/status/CI?branchName=release)](https://dev.azure.com/ms/vscode-python/_build/latest?definitionId=88&branchName=release) | [![Build Status](https://dev.azure.com/ms/vscode-python/_apis/build/status/CI?branchName=master)](https://dev.azure.com/ms/vscode-python/_build/latest?definitionId=88&branchName=master) | [![Build Status](https://dev.azure.com/ms/vscode-python/_apis/build/status/Nightly%20Build?branchName=master)](https://dev.azure.com/ms/vscode-python/_build/latest?definitionId=85&branchName=master) | [![codecov](https://codecov.io/gh/microsoft/vscode-python/branch/master/graph/badge.svg)](https://codecov.io/gh/microsoft/vscode-python) |
 
 [[Development build](https://pvsc.blob.core.windows.net/extension-builds/ms-python-insiders.vsix)]
 

build/ci/codecov.yml

@@ -0,0 +1,27 @@
+codecov:
+  notify:
+    require_ci_to_pass: yes
+
+coverage:
+  precision: 0
+  round: down
+  range: "70...100"
+
+  status:
+    project: yes
+    patch: yes
+    changes: no
+
+parsers:
+  gcov:
+    branch_detection:
+      conditional: yes
+      loop: yes
+      method: no
+      macro: no
+
+comment:
+  branch: !release*
+  layout: "header, diff, files"
+  behavior: default
+  require_changes: no

build/ci/templates/generate_upload_coverage.yml

@@ -15,21 +15,6 @@ steps:
         summaryFileLocation: "$(System.DefaultWorkingDirectory)/coverage/cobertura-coverage.xml"
         reportDirectory: "$(System.DefaultWorkingDirectory)/coverage"
 
-    - bash: cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js
-      displayName: 'Upload coverage to coveralls'
-      continueOnError: true
-      condition: contains(variables['TestsToRun'], 'testUnitTests')
-      failOnStderr: false
-      # Set necessary env variables for coveralls, as they don't support Azure Devops.
-      # Set variables based on documentation and the coveralls (npm package) source code. 😊.
-      env:
-          COVERALLS_SERVICE_JOB_ID: $(Build.BuildId)
-          COVERALLS_REPO_TOKEN: $(COVERALLS_REPO_TOKEN)
-          COVERALLS_SERVICE_NAME: $(COVERALLS_SERVICE_NAME)
-          COVERALLS_GIT_COMMIT: $(Build.SourceVersion)
-          COVERALLS_GIT_BRANCH: $(Build.SourceBranchName)
-          CI_PULL_REQUEST: $(System.PullRequest.PullRequestNumber)
-
     - bash: cat ./coverage/lcov.info | ./node_modules/.bin/codecov --pipe
       displayName: 'Upload coverage to codecov'
       continueOnError: true

news/3 Code Health/6938.md

@@ -0,0 +1 @@
+Upload coverage reports to [codecov](https://codecov.io/gh/microsoft/vscode-python).

package-lock.json

@@ -2545,8 +2545,8 @@
         "@types/glob": "^5.0.35",
         "@types/html-webpack-plugin": "^3.2.0",
         "@types/iconv-lite": "^0.0.1",
-        "@types/jsdom": "^11.12.0",
         "@types/jquery": "^1.10.35",
+        "@types/jsdom": "^11.12.0",
         "@types/loader-utils": "^1.1.3",
         "@types/lodash": "^4.14.104",
         "@types/md5": "^2.1.32",
@@ -2592,7 +2592,6 @@
         "codecov": "^3.5.0",
         "colors": "^1.2.1",
         "copy-webpack-plugin": "^4.6.0",
-        "coveralls": "^3.0.4",
         "cross-spawn": "^6.0.5",
         "css-loader": "^1.0.1",
         "cucumber-html-reporter": "^4.0.5",