feat: initial release of volumen — a file-based Markdown blog engine

test/config_test.rb

@@ -0,0 +1,57 @@
+# frozen_string_literal: true
+
+require "test_helper"
+require "tmpdir"
+
+class ConfigTest < Minitest::Test
+  MISSING = "/nonexistent/volumen.toml"
+
+  def test_defaults_when_file_missing
+    config = Volumen::Config.load(path: MISSING)
+    assert_equal 9090, config.port
+    assert_equal "en", config.language
+  end
+
+  def test_overrides_apply
+    config = Volumen::Config.load(
+      path: MISSING,
+      overrides: { host: "127.0.0.1", port: 9000, content: "/srv/posts" }
+    )
+    assert_equal "127.0.0.1", config.host
+    assert_equal 9000, config.port
+    assert_equal "/srv/posts", config.content_dir
+  end
+
+  def test_does_not_mutate_defaults
+    Volumen::Config.load(path: MISSING, overrides: { host: "10.0.0.1" })
+    assert_equal "0.0.0.0", Volumen::Config.load(path: MISSING).host
+  end
+
+  def test_loads_and_merges_file
+    Dir.mktmpdir do |dir|
+      path = File.join(dir, "config.toml")
+      File.write(path, "[site]\ntitle = \"Custom\"\n")
+      config = Volumen::Config.load(path: path)
+      assert_equal "Custom", config.site["title"]
+      assert_equal 9090, config.port
+    end
+  end
+
+  def test_generate_default_writes_template
+    Dir.mktmpdir do |dir|
+      path = File.join(dir, "sub", "config.toml")
+      assert_equal path, Volumen::Config.generate_default(path)
+      assert_path_exists path
+      assert_equal 9090, Volumen::Config.load(path: path).port
+    end
+  end
+
+  def test_generate_default_skips_existing
+    Dir.mktmpdir do |dir|
+      path = File.join(dir, "config.toml")
+      File.write(path, "[server]\nport = 9999\n")
+      assert_nil Volumen::Config.generate_default(path)
+      assert_equal 9999, Volumen::Config.load(path: path).port
+    end
+  end
+end