From 5e029670eb8707ca7e1e3b59df93faaeb62c9317 Mon Sep 17 00:00:00 2001
From: Joao P Dubas <joao.dubas+gitea@gmail.com>
Date: Mon, 7 Oct 2024 12:16:07 +0000
Subject: [PATCH] feat: execute test with docker compose (#101)

When we changed the application to be executed as distributed nodes (PR #96), performing tests with `docker-compose` became impossible.

To fix this situation in this PR, two new targets are added to `Makefile`:

* `compose_test`
* `compose_test_shell`

These new targets allow one to execute tests and enter the container shell responsible for running these tests.

Reviewed-on: https://gitea.dubas.dev/joao.dubas/ex_trainer/pulls/101
Co-authored-by: Joao P Dubas <joao.dubas+gitea@gmail.com>
Co-committed-by: Joao P Dubas <joao.dubas+gitea@gmail.com>
---
 Makefile           | 24 ++++++++++++++++--------
 docker-compose.yml | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 50 insertions(+), 8 deletions(-)

diff --git a/Makefile b/Makefile
index 9e7f75f..9034144 100644
--- a/Makefile
+++ b/Makefile
@@ -28,14 +28,6 @@ static_code_analysis: check_format credo dialyzer  ## run static code analysis
 test:  ## run tests
 	@mix test --cover --trace --slowest 10
 
-.PHONY: compose_up
-compose_up:  ## start containers for this service
-	@$(COMPOSE) up -d
-
-.PHONY: compose_watch
-compose_watch:  ## start containers for this service watching for updates in filesystem
-	@$(COMPOSE) up -w
-
 .PHONY: compose_database_create
 compose_database_create:
 	@$(COMPOSE) run --rm --entrypoint mix app ecto.create
@@ -55,6 +47,22 @@ compose_ps:  ## status of containers
 compose_remote:  ## connect to remote node
 	@$(COMPOSE) exec app ./priv/docker/service/docker-remote.sh
 
+.PHONY: compose_test
+compose_test:  ## execute test on docker environment
+	@$(COMPOSE) --profile test run --rm test
+
+.PHONY: compose_test_shell
+compose_test_shell:  ## enter test environment shell
+	@$(COMPOSE) --profile test run --rm --entrypoint bash test -c bash
+
+.PHONY: compose_up
+compose_up:  ## start containers for this service
+	@$(COMPOSE) up -d
+
+.PHONY: compose_watch
+compose_watch:  ## start containers for this service watching for updates in filesystem
+	@$(COMPOSE) up -w
+
 .PHONY: help
 help:
 	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
diff --git a/docker-compose.yml b/docker-compose.yml
index 21b55ec..2ca1931 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -19,6 +19,7 @@ services:
       context: .
       args:
         BUILD_MIX_ENV: dev
+    pull_policy: never
     hostname: &app_host ex_trainer
     depends_on:
       - db
@@ -53,6 +54,39 @@ services:
     scale: 3
     entrypoint: ./priv/docker/service/docker-entrypoint.sh
     command: local-cookie
+  test:
+    image: 'joaodubas/ex_trainer:test'
+    build:
+      target: builder
+      context: .
+      args:
+        BUILD_MIX_ENV: test
+    pull_policy: never
+    profiles:
+      - test
+    hostname: ex_trainer_test
+    depends_on:
+      - db
+    init: true
+    volumes:
+      - './mix.exs:/opt/app/mix.exs:ro'
+      - './mix.lock:/opt/app/mix.lock:ro'
+      - './students.csv:/opt/app/students.csv:ro'
+      - './config:/opt/app/config'
+      - './cover:/opt/app/cover'
+      - './lib:/opt/app/lib'
+      - './priv:/opt/app/priv'
+      - './report:/opt/app/report'
+      - './test:/opt/app/test'
+    environment:
+      POSTGRES_HOST: *db_host
+      POSTGRES_USER: *db_user
+      POSTGRES_PASS: *db_pass
+      POSTGRES_NAME: wabanex_test
+    working_dir: /opt/app
+    restart: never
+    entrypoint: mix test
+    command: --trace --cover --slowest 10
 
 volumes:
   db_data: {}