Tweak bag_adapter; update/expand tests

lib/bag_adapter.rb

@@ -8,9 +8,8 @@ class BagAdapter
 
     attr_reader :additional_tag_files
 
-    def initialize(target_dir, detect_hidden)
-      @detect_hidden = detect_hidden
-      @bag = BagIt::Bag.new(target_dir, {}, false, @detect_hidden)
+    def initialize(target_dir:, detect_hidden: true)
+      @bag = BagIt::Bag.new(target_dir, {}, false, detect_hidden)
       @additional_tag_files = []
     end
 

test/test_bag_adapter.rb

@@ -11,30 +11,32 @@ def setup
     @test_tag_file_name = "some-tag-file.txt"
     @test_tag_file_text = "TAG FILE TEXT GOES HERE"
 
+    @regular_data_file_name = "something.txt"
+    @hidden_data_file_name = ".hidden"
+
     # Reset test directory
     FileUtils.rm_r(@test_dir_path) if File.exist?(@test_dir_path)
     Dir.mkdir @test_dir_path
-    @detect_hidden_yes = true
-    @detect_hidden_no = false
   end
 
-  def add_data_file
+  def add_data_files
     File.write(
-      File.join(@data_dir_path, "something.txt"),
+      File.join(@data_dir_path, @regular_data_file_name),
       "Something to be preserved"
     )
+    File.write(File.join(@data_dir_path, @hidden_data_file_name), "")
   end
 
   def test_bag_dir
     assert_equal(
-      BagAdapter::BagAdapter.new(@test_dir_path, @detect_hidden_no).bag_dir,
+      BagAdapter::BagAdapter.new(target_dir: @test_dir_path).bag_dir,
       @test_dir_path
     )
   end
 
   def test_data_dir
     assert_equal(
-      BagAdapter::BagAdapter.new(@test_dir_path, @detect_hidden_no).data_dir,
+      BagAdapter::BagAdapter.new(target_dir: @test_dir_path).data_dir,
       @data_dir_path
     )
   end
@@ -43,13 +45,13 @@ def test_add_bag_info
     expected_text = <<~TEXT
       Bag-Software-Agent: BagIt Ruby Gem (https://github.com/tipr/bagit)
       Bagging-Date: 2023-12-22
-      Payload-Oxum: 25.1
+      Payload-Oxum: 25.2
       Some-Custom-Key: Some Value
     TEXT
 
     Date.stub :today, Date.new(2023, 12, 22) do
-      bag = BagAdapter::BagAdapter.new(@test_dir_path, @detect_hidden_no)
-      add_data_file
+      bag = BagAdapter::BagAdapter.new(target_dir: @test_dir_path)
+      add_data_files
       bag.add_bag_info(@test_bag_info_data)
     end
 
@@ -58,7 +60,7 @@ def test_add_bag_info
   end
 
   def test_add_tag_file
-    bag = BagAdapter::BagAdapter.new(@test_dir_path, @detect_hidden_no)
+    bag = BagAdapter::BagAdapter.new(target_dir: @test_dir_path)
     bag.add_tag_file!(tag_file_text: @test_tag_file_text, file_name: @test_tag_file_name)
 
     expected_file_path = File.join(@test_dir_path, @test_tag_file_name)
@@ -70,12 +72,18 @@ def test_add_tag_file
   end
 
   def test_add_manifests
-    bag = BagAdapter::BagAdapter.new(@test_dir_path, @detect_hidden_no)
-    add_data_file
+    bag = BagAdapter::BagAdapter.new(target_dir: @test_dir_path)
+    add_data_files
     bag.add_tag_file!(tag_file_text: @test_tag_file_text, file_name: @test_tag_file_name)
     bag.add_manifests
 
-    assert File.exist?(File.join(@test_dir_path, "manifest-md5.txt"))
+    expected_manifest_file = File.join(@test_dir_path, "manifest-md5.txt")
+    assert File.exist?(expected_manifest_file)
+    if File.exist?(expected_manifest_file)
+      file_text = File.read(expected_manifest_file)
+      assert file_text.include?(@regular_data_file_name)
+      assert file_text.include?(@hidden_data_file_name)
+    end
 
     expected_tagmanifest_path = File.join(@test_dir_path, "tagmanifest-md5.txt")
     assert File.exist?(expected_tagmanifest_path)
@@ -87,4 +95,18 @@ def test_add_manifests
 
     assert !File.exist?(File.join(@test_dir_path, "tagmanifest-sha1.txt"))
   end
+
+  def test_add_manifests_when_detect_hidden_false
+    bag = BagAdapter::BagAdapter.new(target_dir: @test_dir_path, detect_hidden: false)
+    add_data_files
+    bag.add_manifests
+
+    expected_manifest_file = File.join(@test_dir_path, "manifest-md5.txt")
+    assert File.exist?(expected_manifest_file)
+    if File.exist?(expected_manifest_file)
+      file_text = File.read(expected_manifest_file)
+      assert file_text.include?(@regular_data_file_name)
+      refute file_text.include?(@hidden_data_file_name)
+    end
+  end
 end