fix: add basic codecov.yml (#1812)

* fix: add basic codecov.yml

Basic config makes the project/patch status check informational only for
now.

* fix: output junit.xml report and upload to codecov

* chore: retry failing test 2 times.

This should help with the windows and macos flaky tests

Author: diogomatsubara

.codecov.yml

@@ -0,0 +1,9 @@
+---
+coverage:
+  status:
+    project:
+      default:
+        informational: true
+    patch:
+      default:
+        informational: true

.config/nextest.toml

@@ -1,8 +1,11 @@
 # By default, retry a few times until pass the test within the specified timeout
 [profile.default]
-retries = 1
+retries = 2
 slow-timeout = { period = "60s", terminate-after = 2 }
 
+[profile.default.junit]
+path = "junit.xml"
+
 # Run the following tests exclusively with longer timeout
 [[profile.default.overrides]]
 filter = """

.github/workflows/ci.yml

@@ -179,6 +179,12 @@ jobs:
         if: ${{ matrix.os == 'ubuntu-latest' }}
         run: cargo nextest run -p zenohd --no-default-features
 
+      - name: Upload test results to Codecov
+        if: ${{ !cancelled() }}
+        uses: codecov/test-results-action@v1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+
   valgrind:
     name: Memory leak checks
     runs-on: ubuntu-latest