Automate SQLite Version Testing (#210)

Co-authored-by: Greg Rychlewski <[email protected]>

Author: greg-rychlewski

.github/workflows/ci.yml

@@ -5,8 +5,6 @@ on:
     branches:
       - "*"
   pull_request:
-    types:
-      - opened
     branches:
       - "*"
 
@@ -37,6 +35,7 @@ jobs:
       - run: mix format --check-formatted
       - run: mix deps.unlock --check-unused
       - run: mix credo --all
+      - run: mix test_sqlite_version
 
   test:
     runs-on: ${{ matrix.os }}

bin/download_sqlite.sh

@@ -7,8 +7,6 @@ set -e
 # https://www.sqlite.org/src/timeline?r=version-3.36.0
 # VERSION consists of 7 digits, like:3350000 for "3.35.5" or 3360000 for "3.36.0"
 
-VERSION=3390200
-
 mkdir -p tmp
 pushd tmp
 

lib/mix/tasks/download_sqlite.ex

@@ -0,0 +1,19 @@
+defmodule Mix.Tasks.DownloadSqlite do
+  @moduledoc false
+
+  use Mix.Task
+
+  @shortdoc "Downloads the SQLite amalgamation version specified in mix.exs"
+  def run(_args) do
+    version = Exqlite.MixProject.sqlite_version() |> tarball_version()
+    System.cmd("sh", ["-c", "VERSION=#{version} bin/download_sqlite.sh"])
+  end
+
+  defp tarball_version(semantic_version) do
+    [major, minor, patch] = String.split(semantic_version, ".")
+    minor = String.pad_leading(minor, 2, "0")
+    patch = String.pad_leading(patch, 2, "0")
+
+    major <> minor <> patch <> "00"
+  end
+end

lib/mix/tasks/test_sqlite_version.ex

@@ -0,0 +1,22 @@
+defmodule Mix.Tasks.TestSqliteVersion do
+  @moduledoc false
+
+  use Mix.Task
+
+  @shortdoc "Tests that the SQLite amalgation version matches the SQLite version in mix.exs"
+  def run(_args) do
+    # Get mix SQLite version
+    mix_version = Exqlite.MixProject.sqlite_version()
+
+    # Get installed SQLite version
+    {:ok, conn} = Exqlite.Sqlite3.open(":memory:")
+    {:ok, stmt} = Exqlite.Sqlite3.prepare(conn, "select sqlite_version()")
+    {_, [amalgamation_version]} = Exqlite.Sqlite3.step(conn, stmt)
+
+    if mix_version != amalgamation_version do
+      ("mix test_sqlite_version failed: the mix.exs version (#{mix_version}) " <>
+         "does not match the amalgation version (#{amalgamation_version})")
+      |> Mix.raise()
+    end
+  end
+end

mix.exs

@@ -2,6 +2,7 @@ defmodule Exqlite.MixProject do
   use Mix.Project
 
   @version "0.11.3"
+  @sqlite_version "3.39.2"
 
   def project do
     [
@@ -35,6 +36,8 @@ defmodule Exqlite.MixProject do
     ]
   end
 
+  def sqlite_version, do: @sqlite_version
+
   # Run "mix help deps" to learn about dependencies.
   defp deps do
     [