Close TD-19 quality gates

test/bds/mix_project_test.exs

@@ -0,0 +1,44 @@
+defmodule BDS.MixProjectTest do
+  use ExUnit.Case, async: true
+
+  test "validate alias runs all required quality gates" do
+    aliases = BDS.MixProject.project()[:aliases]
+
+    assert aliases[:validate] == [
+             "test",
+             "credo --strict",
+             "deps.audit --ignore-file .mix_audit.ignore",
+             "dialyzer"
+           ]
+  end
+
+  test "quality tooling deps are available in dev and test" do
+    deps = BDS.MixProject.project()[:deps]
+
+    assert quality_dep(deps, :credo) == {:credo, "~> 1.7", [only: [:dev, :test], runtime: false]}
+
+    assert quality_dep(deps, :mix_audit) ==
+             {:mix_audit, "~> 2.1", [only: [:dev, :test], runtime: false]}
+  end
+
+  test "mix audit exceptions stay explicit and scoped" do
+    ignore_file = File.read!(Path.expand("../../.mix_audit.ignore", __DIR__))
+
+    assert ignore_file =~ "GHSA-rhv4-8758-jx7v"
+    refute ignore_file =~ "GHSA-628h-q48j-jr6q"
+  end
+
+  test "validate runs in the test environment" do
+    cli = BDS.MixProject.cli()
+
+    assert cli[:preferred_envs][:validate] == :test
+  end
+
+  defp quality_dep(deps, app) do
+    Enum.find(deps, fn
+      {^app, _version} -> true
+      {^app, _version, _opts} -> true
+      _other -> false
+    end)
+  end
+end