Added tests for Tailwind incremental build plugin and integrated them into the Rake test suite.

liberaldev · liberaldev · commit 4a9285bb3019 · 2025-12-30T19:45:23.000+09:00
diff --git a/Rakefile b/Rakefile
@@ -14,7 +14,7 @@ CONFIG = "_config.yml"
 task default: [:build]
 
 desc "Run tests (test-linter, lint, build)"
-task test: %i[test-news-plugin test-html-lang-plugin test-linter lint build]
+task test: %i[test-news-plugin test-html-lang-plugin test-tailwind-incremental-fix-plugin test-linter lint build]
 
 desc "Build the Jekyll site"
 task :build do
@@ -137,3 +137,11 @@ Rake::TestTask.new(:"test-html-lang-plugin") do |t|
   t.test_files = FileList['test/test_plugin_html_lang.rb']
   t.verbose = true
 end
+
+require "rake/testtask"
+Rake::TestTask.new(:"test-tailwind-incremental-fix-plugin") do |t|
+  t.description = "Run tests for the Tailwind incremental fix plugin"
+  t.libs = ["test"]
+  t.test_files = FileList['test/test_plugin_tailwind_incremental_fix.rb']
+  t.verbose = true
+end
diff --git a/test/test_plugin_tailwind_incremental_fix.rb b/test/test_plugin_tailwind_incremental_fix.rb
@@ -0,0 +1,221 @@
+# frozen_string_literal: true
+
+require "helper"
+require "jekyll"
+require "fileutils"
+require "time"
+require_relative "../_plugins/tailwind_incremental_fix"
+
+describe Jekyll::PostcssTrigger do
+  before do
+    # Reset module state before each test
+    Jekyll::PostcssTrigger.last_check_time = nil
+    Jekyll::PostcssTrigger.css_touched = false
+  end
+
+  after do
+    # Clean up module state
+    Jekyll::PostcssTrigger.last_check_time = nil
+    Jekyll::PostcssTrigger.css_touched = false
+  end
+
+  describe "module initialization" do
+    it "has last_check_time accessor" do
+      _(Jekyll::PostcssTrigger).must_respond_to :last_check_time
+      _(Jekyll::PostcssTrigger).must_respond_to :last_check_time=
+    end
+
+    it "has css_touched accessor" do
+      _(Jekyll::PostcssTrigger).must_respond_to :css_touched
+      _(Jekyll::PostcssTrigger).must_respond_to :css_touched=
+    end
+
+    it "initializes with nil last_check_time" do
+      _(Jekyll::PostcssTrigger.last_check_time).must_be_nil
+    end
+
+    it "initializes with false css_touched" do
+      _(Jekyll::PostcssTrigger.css_touched).must_equal false
+    end
+  end
+
+  describe "state management" do
+    it "can set and get last_check_time" do
+      time = Time.now
+      Jekyll::PostcssTrigger.last_check_time = time
+      _(Jekyll::PostcssTrigger.last_check_time).must_equal time
+    end
+
+    it "can set and get css_touched" do
+      Jekyll::PostcssTrigger.css_touched = true
+      _(Jekyll::PostcssTrigger.css_touched).must_equal true
+    end
+
+    it "can reset state" do
+      Jekyll::PostcssTrigger.last_check_time = Time.now
+      Jekyll::PostcssTrigger.css_touched = true
+
+      Jekyll::PostcssTrigger.last_check_time = nil
+      Jekyll::PostcssTrigger.css_touched = false
+
+      _(Jekyll::PostcssTrigger.last_check_time).must_be_nil
+      _(Jekyll::PostcssTrigger.css_touched).must_equal false
+    end
+  end
+
+  describe "file modification detection logic" do
+    before do
+      chdir_tempdir
+    end
+
+    after do
+      teardown_tempdir
+    end
+
+    it "detects files modified after a timestamp" do
+      # Create a file
+      create_file("test.html", "<html>content</html>")
+
+      # Record current time
+      check_time = Time.now
+
+      # Wait to ensure time difference
+      sleep 0.1
+
+      # Modify the file
+      create_file("test.html", "<html>modified</html>")
+
+      # Check mtime
+      _(File.mtime("test.html") > check_time).must_equal true
+    end
+
+    it "does not detect unmodified files" do
+      # Create a file
+      create_file("test.html", "<html>content</html>")
+
+      # Record time after creation
+      sleep 0.1
+      check_time = Time.now
+
+      # Wait
+      sleep 0.1
+
+      # Don't modify the file
+
+      # Check mtime
+      _(File.mtime("test.html") > check_time).must_equal false
+    end
+
+    it "can touch a file to update mtime" do
+      create_file("test.css", "/* css */")
+      original_mtime = File.mtime("test.css")
+
+      sleep 0.1
+
+      FileUtils.touch("test.css")
+      new_mtime = File.mtime("test.css")
+
+      _(new_mtime > original_mtime).must_equal true
+    end
+
+    it "matches HTML files with glob pattern" do
+      create_file("index.html", "<html></html>")
+      create_file("about.html", "<html></html>")
+      create_file("style.css", "/* css */")
+
+      html_files = Dir.glob("*.html")
+
+      _(html_files.length).must_equal 2
+      _(html_files).must_include "index.html"
+      _(html_files).must_include "about.html"
+      _(html_files).wont_include "style.css"
+    end
+
+    it "matches nested HTML files with glob pattern" do
+      create_file("_includes/header.html", "<header></header>")
+      create_file("_layouts/default.html", "<html></html>")
+
+      includes_files = Dir.glob("_includes/**/*.html")
+      layouts_files = Dir.glob("_layouts/**/*.html")
+
+      _(includes_files.length).must_equal 1
+      _(layouts_files.length).must_equal 1
+    end
+
+    it "matches markdown files with glob pattern" do
+      create_file("about.md", "# About")
+      create_file("contact.md", "# Contact")
+
+      md_files = Dir.glob("*.md")
+
+      _(md_files.length).must_equal 2
+    end
+  end
+
+  describe "integration with incremental config" do
+    before do
+      chdir_tempdir
+    end
+
+    after do
+      teardown_tempdir
+    end
+
+    it "recognizes incremental mode in config" do
+      config = Jekyll.configuration(
+        source: ".",
+        incremental: true,
+        quiet: true
+      )
+
+      _(config['incremental']).must_equal true
+    end
+
+    it "recognizes non-incremental mode in config" do
+      config = Jekyll.configuration(
+        source: ".",
+        incremental: false,
+        quiet: true
+      )
+
+      _(config['incremental']).must_equal false
+    end
+  end
+
+  describe "CSS file operations" do
+    before do
+      chdir_tempdir
+    end
+
+    after do
+      teardown_tempdir
+    end
+
+    it "can check if CSS file exists" do
+      create_file("stylesheets/main.css", "/* css */")
+
+      _(File.exist?("stylesheets/main.css")).must_equal true
+    end
+
+    it "can touch CSS file" do
+      create_file("stylesheets/main.css", "/* css */")
+      original_mtime = File.mtime("stylesheets/main.css")
+
+      sleep 0.1
+
+      FileUtils.touch("stylesheets/main.css")
+      new_mtime = File.mtime("stylesheets/main.css")
+
+      _(new_mtime > original_mtime).must_equal true
+    end
+
+    it "preserves CSS file content when touched" do
+      content = "/* original css */"
+      create_file("stylesheets/main.css", content)
+
+      FileUtils.touch("stylesheets/main.css")
+
+      _(File.read("stylesheets/main.css")).must_equal content
+    end
+  end
+end
