ci: attempt to fix coverage

Author: codeadict

.github/codecov.yml

@@ -0,0 +1,21 @@
+# See https://docs.codecov.com/docs/commit-status
+coverage:
+  status:
+    # The whole project must reach a coverage of 80% for the `codecov/project`
+    # check to succeed.
+    project:
+      default:
+        target: 80%
+        threshold: 5% # How much the coverage can decrease.
+        paths:
+          - "!.github/"
+
+    # The patch itself (i.e. the modified lines) must be 80% covered by tests
+    # for the `codecov/patch` check to succeed.
+    patch:
+      default:
+        target: 80%
+        threshold: 5%
+        paths:
+          - "!.github/"
+        informational: true

.github/workflows/ci.yml

@@ -86,12 +86,15 @@ jobs:
 
       - name: Generate coverage report
         if: ${{ matrix.coverage }}
-        run: rebar3 cover --verbose
+        run: rebar3 as test covertool generate
 
       - name: Upload coverage to Codecov
         if: ${{ matrix.coverage }}
         uses: codecov/codecov-action@v4
         with:
-          files: _build/test/cover/eunit.coverdata,_build/test/cover/ct.coverdata,_build/test/cover/proper.coverdata
+          files: _build/test/covertool/gen_http.covertool.xml
           fail_ci_if_error: false
+          flags: erlang-${{ matrix.otp }},os-${{ matrix.os }}
+          name: Erlang/OTP ${{ matrix.otp }} on ${{ matrix.os }}
+          verbose: true # optional (default = false)
           token: ${{ secrets.CODECOV_TOKEN }}

rebar.config

@@ -14,6 +14,7 @@
 ]}.
 
 {project_plugins, [
+    covertool,
     {rebar3_lint, "~> 4.2"},
     {erlfmt, "~> 1.7"},
     {rebar3_proper, "~> 0.12"}
@@ -93,10 +94,15 @@
 
 {cover_enabled, true}.
 {cover_opts, [verbose]}.
+{cover_print_enabled, true}.
+{cover_export_enabled, true}.
+{covertool, [{coverdata_files, ["eunit.coverdata",
+                                "proper.coverdata",
+                                "ct.coverdata"]}]}.
 
 {alias, [
     {test, [
-        eunit, ct, proper, {cover, "-v"}
+        eunit, ct, proper, {cover, "-v --min_coverage=75"}
     ]}
 ]}.