From 5dbcb3e4ab2f540d1c726fc9a49f1df2c91c10ec Mon Sep 17 00:00:00 2001
From: Vitah Lin <vitahlin@gmail.com>
Date: Mon, 27 Jan 2025 21:04:11 +0800
Subject: [PATCH] Add codecov for automated code coverage (#13393)

This PR introduces Codecov to automate code coverage tracking for our
project's tests.
For more information about the Codecov platform, please refer to
https://docs.codecov.com/docs/quick-start

---------

Co-authored-by: debing.sun <debing.sun@redis.com>
---
 .github/workflows/codecov.yml | 24 ++++++++++++++++++++++++
 README.md                     |  2 ++
 codecov.yml                   | 19 +++++++++++++++++++
 src/Makefile                  |  3 ++-
 4 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100644 .github/workflows/codecov.yml
 create mode 100644 codecov.yml

diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
new file mode 100644
index 000000000..82656ac31
--- /dev/null
+++ b/.github/workflows/codecov.yml
@@ -0,0 +1,24 @@
+name: "Codecov"
+
+# Enabling on each push is to display the coverage changes in every PR, 
+# where each PR needs to be compared against the coverage of the head commit
+on: [push, pull_request]
+
+jobs:
+  code-coverage:
+    runs-on: ubuntu-22.04
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Install lcov and run test
+      run: |
+        sudo apt-get install lcov
+        make lcov
+
+    - name: Upload coverage reports to Codecov
+      uses: codecov/codecov-action@v4
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
+        file: ./src/redis.info
diff --git a/README.md b/README.md
index 4d6d7adb1..9038f0c0b 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+[![codecov](https://codecov.io/github/redis/redis/graph/badge.svg?token=6bVHb5fRuz)](https://codecov.io/github/redis/redis)
+
 This README is just a fast *quick start* document. You can find more detailed documentation at [redis.io](https://redis.io).
 
 What is Redis?
diff --git a/codecov.yml b/codecov.yml
new file mode 100644
index 000000000..05e315dcc
--- /dev/null
+++ b/codecov.yml
@@ -0,0 +1,19 @@
+coverage:
+  status:
+    patch:
+      default:
+        informational: true
+    project:
+      default:
+        informational: true
+
+comment:
+  require_changes: false
+  require_head: false
+  require_base: false
+  layout: "condensed_header, diff, files"
+  hide_project_coverage: false
+  behavior: default
+
+github_checks:
+  annotations: false
diff --git a/src/Makefile b/src/Makefile
index 4f394782d..0eb2cf41b 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -487,8 +487,9 @@ test-cluster: $(REDIS_SERVER_NAME) $(REDIS_CLI_NAME)
 check: test
 
 lcov:
+	@lcov --version
 	$(MAKE) gcov
-	@(set -e; cd ..; ./runtest --clients 1)
+	@(set -e; cd ..; ./runtest)
 	@geninfo -o redis.info .
 	@genhtml --legend -o lcov-html redis.info