fix ci (#226)

Author: ruslandoga

compose.yml

@@ -0,0 +1,11 @@
+services:
+  clickhouse:
+    image: clickhouse/clickhouse-server:latest-alpine
+    ports:
+      - 8123:8123
+    environment:
+      - CLICKHOUSE_SKIP_USER_SETUP=1
+    ulimits:
+      nofile:
+        soft: 262144
+        hard: 262144

mix.exs

@@ -22,9 +22,7 @@ defmodule EctoCh.MixProject do
 
   # Run "mix help compile.app" to learn about applications.
   def application do
-    [
-      extra_applications: [:logger]
-    ]
+    [extra_applications: extra_applications(Mix.env())]
   end
 
   # Specifies which paths to compile per environment.
@@ -35,6 +33,9 @@ defmodule EctoCh.MixProject do
   defp test_paths(nil), do: ["test"]
   defp test_paths(_any), do: ["integration_test"]
 
+  defp extra_applications(:test), do: [:logger, :inets]
+  defp extra_applications(_), do: [:logger]
+
   # Run "mix help deps" to learn about dependencies.
   defp deps do
     [

test/ecto/integration/clickhouse_joins_test.exs

@@ -237,7 +237,7 @@ defmodule Ecto.Integration.ClickHouseJoinsTest do
            ]
   end
 
-  # https://github.com/ClickHouse/ClickHouse/blob/master/tests/queries/0_stateless/00976_asof_join_on.sql
+  # https://github.com/ClickHouse/ClickHouse/blob/master/tests/queries/0_stateless/00976_asof_join_on.sql.j2
   # https://github.com/ClickHouse/ClickHouse/blob/master/tests/queries/0_stateless/00976_asof_join_on.reference
   test "00976_asof_join_on" do
     TestRepo.query!("CREATE TABLE 00976_A(a UInt32, t UInt32) ENGINE = Memory")
@@ -411,8 +411,17 @@ defmodule Ecto.Integration.ClickHouseJoinsTest do
       )
     end
 
+    [[ch_version]] = TestRepo.query!("select version()").rows
+
+    expected_error =
+      if ch_version >= "25.2" do
+        ~r/INVALID_JOIN_ON_EXPRESSION/
+      else
+        ~r/NOT_IMPLEMENTED/
+      end
+
     # SELECT A.a, A.t, B.b, B.t FROM A ASOF JOIN B ON A.a == B.b AND A.t < B.t OR A.a == B.b + 1 ORDER BY (A.a, A.t); -- { serverError 48 }
-    assert_raise Ch.Error, ~r/NOT_IMPLEMENTED/, fn ->
+    assert_raise Ch.Error, expected_error, fn ->
       TestRepo.all(
         from a in "00976_A",
           join: b in "00976_B",

test/test_helper.exs

@@ -12,6 +12,23 @@ Application.put_env(:ecto_ch, TestRepo,
   show_sensitive_data_on_connection_error: true
 )
 
+clickhouse_available? =
+  case :httpc.request(:get, {~c"http://localhost:8123/ping", []}, [], []) do
+    {:ok, {{_version, _status = 200, _reason}, _headers, ~c"Ok.\n"}} ->
+      true
+
+    {:error, {:failed_connect, [{:to_address, _to_address}, {:inet, [:inet], :econnrefused}]}} ->
+      false
+  end
+
+unless clickhouse_available? do
+  Mix.shell().error("""
+  ClickHouse is not detected! Please start the local container with the following command:
+
+      docker compose up -d clickhouse
+  """)
+end
+
 {:ok, _} = Ecto.Adapters.ClickHouse.ensure_all_started(TestRepo.config(), :temporary)
 
 _ = Ecto.Adapters.ClickHouse.storage_down(TestRepo.config())