CI improvements (#159)

Author: britto

.github/workflows/main.yml

@@ -10,17 +10,19 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - otp: 23.0
+          - otp: 24.0
+            elixir: 1.12.1
+            lint: true
+            integration: true
+          - otp: 23.3
             elixir: 1.11.4
             lint: true
-          - otp: 23.0
-            elixir: 1.10.3
+          - otp: 23.3
+            elixir: 1.10.4
+          - otp: 22.3
+            elixir: 1.10.4
           - otp: 22.3
-            elixir: 1.10.3
-          - otp: 22.1
             elixir: 1.9.4
-          - otp: 21.3
-            elixir: 1.8.2
     env:
       MIX_ENV: test
     steps:
@@ -43,4 +45,21 @@ jobs:
         run: mix deps.compile
 
       - name: Run tests
-        run: mix test.integration --trace
+        run: mix test --trace
+
+      - name: Install protoc
+        if: ${{matrix.integration}}
+        run: |
+          wget https://github.com/protocolbuffers/protobuf/releases/download/v3.12.3/protoc-3.12.3-linux-x86_64.zip
+          unzip protoc-3.12.3-linux-x86_64.zip
+          echo "./bin" >> $GITHUB_PATH
+
+      - name: Compile .proto files to Elixir with protoc
+        if: ${{matrix.integration}}
+        run: |
+          make clean
+          make gen-protos
+
+      - name: Run integration tests
+        if: ${{matrix.integration}}
+        run: mix test --only integration

.travis.yml

@@ -17,8 +17,6 @@ defmodule Protobuf.Mixfile do
       escript: escript(),
       description: description(),
       package: package(),
-      aliases: aliases(),
-      preferred_cli_env: ["test.integration": :test],
       docs: docs()
     ]
   end
@@ -69,22 +67,4 @@ defmodule Protobuf.Mixfile do
       source_ref: "v#{@version}"
     ]
   end
-
-  defp aliases do
-    ["test.integration": &run_integration_tests/1]
-  end
-
-  defp run_integration_tests(args) do
-    IO.puts("==> make clean")
-    Mix.shell().cmd("make clean")
-
-    IO.puts("==> make gen-protos")
-    Mix.shell().cmd("make gen-protos")
-
-    args = ["--only", "integration" | args]
-    args = if IO.ANSI.enabled?(), do: ["--color" | args], else: ["--no-color" | args]
-
-    IO.puts("==> mix test #{Enum.join(args, " ")}")
-    Mix.Task.run("test", args)
-  end
 end