Add elixir coverage

.github/workflows/elixir.yml

@@ -3,10 +3,10 @@ name: Elixir
 on:
   pull_request:
     branches:
-      - 'main'
+      - "main"
   push:
     branches:
-      - 'main'
+      - "main"
 
 jobs:
   format:
@@ -15,9 +15,9 @@ jobs:
       - uses: actions/checkout@v2
       - uses: erlef/setup-beam@v1
         with:
-          otp-version: '25.0'
-          elixir-version: '1.13.4'
-          version-type: 'strict'
+          otp-version: "25.0"
+          elixir-version: "1.13.4"
+          version-type: "strict"
       - uses: actions/cache@v2
         name: Cache
         with:
@@ -34,9 +34,9 @@ jobs:
     name: Test SDK on Elixir ${{ matrix.elixir_version }} (OTP ${{ matrix.otp_version }}) and ${{ matrix.os }}
     strategy:
       matrix:
-        otp_version: ['25.0.3', '24.1.2']
-        elixir_version: ['1.14', '1.13.4']
-        rebar3_version: ['3.20.0']
+        otp_version: ["25.0.3", "24.1.2"]
+        elixir_version: ["1.14", "1.13.4"]
+        rebar3_version: ["3.20.0"]
         os: [ubuntu-20.04]
     env:
       OTP_VERSION: ${{ matrix.otp_version }}
@@ -48,21 +48,35 @@ jobs:
           otp-version: ${{ matrix.otp_version }}
           elixir-version: ${{ matrix.elixir_version }}
           rebar3-version: ${{ matrix.rebar3_version }}
-          version-type: 'strict'
+          version-type: "strict"
       - run: mix local.rebar --force rebar3 /home/runner/work/_temp/.setup-beam/rebar3/bin/rebar3
+      - run: mix deps.get
+        name: Deps
       - name: Compile
         run: rebar3 as test compile
       - name: ExUnit
-        run: mix test --no-start test/otel_tests.exs test/otel_metric_tests.exs
+        run: mix test --no-start --cover test/otel_tests.exs test/otel_metric_tests.exs
+      - uses: codecov/codecov-action@v3
+        if: ${{ always() }}
+        with:
+          file: opentelemetry.covertool.xml
+          env_vars: OTP_VERSION,ELIXIR_VERSION
+          flags: sdk,elixir
+      - uses: codecov/codecov-action@v3
+        if: ${{ always() }}
+        with:
+          file: opentelemetry_api.covertool.xml
+          env_vars: OTP_VERSION,ELIXIR_VERSION
+          flags: api,elixir
 
   api_tests:
     runs-on: ${{ matrix.os }}
     name: Test API on Elixir ${{ matrix.elixir_version }} (OTP ${{ matrix.otp_version }}) and ${{ matrix.os }}
     strategy:
       matrix:
-        otp_version: ['25.0.3', '24.1.2']
-        elixir_version: ['1.14', '1.13.4']
-        rebar3_version: ['3.20.0']
+        otp_version: ["25.0.3", "24.1.2"]
+        elixir_version: ["1.14", "1.13.4"]
+        rebar3_version: ["3.20.0"]
         os: [ubuntu-20.04]
     env:
       OTP_VERSION: ${{ matrix.otp_version }}
@@ -77,7 +91,7 @@ jobs:
           otp-version: ${{ matrix.otp_version }}
           elixir-version: ${{ matrix.elixir_version }}
           rebar3-version: ${{ matrix.rebar3_version }}
-          version-type: 'strict'
+          version-type: "strict"
       - uses: actions/cache@v2
         name: Cache
         with:
@@ -104,8 +118,8 @@ jobs:
     name: Dialyze on Elixir ${{ matrix.elixir_version }} (OTP ${{ matrix.otp_version }}) and ${{ matrix.os }}
     strategy:
       matrix:
-        otp_version: ['25.0']
-        elixir_version: ['1.14']
+        otp_version: ["25.0"]
+        elixir_version: ["1.14"]
         os: [ubuntu-20.04]
     env:
       OTP_VERSION: ${{ matrix.otp_version }}
@@ -119,7 +133,7 @@ jobs:
         with:
           otp-version: ${{ matrix.otp_version }}
           elixir-version: ${{ matrix.elixir_version }}
-          version-type: 'strict'
+          version-type: "strict"
       - uses: actions/cache@v2
         name: Cache
         with:

mix.exs

@@ -6,12 +6,17 @@ defmodule OtelElixirTests.MixProject do
       app: :otel_elixir_tests,
       version: "0.1.0",
       deps: deps(),
-      elixirc_paths: elixirc_paths(Mix.env())
+      elixirc_paths: elixirc_paths(Mix.env()),
+      test_coverage: [tool: :covertool, include_apps: [:opentelemetry, :opentelemetry_api]]
     ]
   end
 
   def deps do
     [
+      {:covertool,
+       git: "https://github.com/albertored/covertool.git",
+       branch: "add-include-apps-mix",
+       only: :test},
       {:opentelemetry, path: "apps/opentelemetry", only: :test, override: true},
       {:opentelemetry_api, path: "apps/opentelemetry_api", only: :test, override: true},
       {:opentelemetry_semantic_conventions,

rebar.config

@@ -65,7 +65,7 @@
 
 {cover_enabled, true}.
 {cover_export_enabled, true}.
-{covertool, [{coverdata_files, ["ct.coverdata"]}]}.
+{covertool, [{coverdata_files, ["ct.coverdata", "eunit.coverdata"]}]}.
 {cover_excl_apps, [opentelemetry_api_experimental, opentelemetry_experimental]}.
 {cover_excl_mods, [opentelemetry_exporter_trace_service_pb, opentelemetry_trace_service,
                    opentelemetry_zipkin_pb, opentelemetry_exporter_metrics_service_pb,