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

test/post_test.rb

@@ -0,0 +1,59 @@
+# frozen_string_literal: true
+
+require "test_helper"
+
+class PostTest < Minitest::Test
+  def test_parse_builds_post
+    content = <<~POST
+      +++
+      title = "Hello"
+      slug = "hello"
+      lang = "en"
+      tags = ["intro", "ruby"]
+      date = 2026-01-15
+      draft = true
+      +++
+
+      First paragraph.
+    POST
+    post = Volumen::Post.parse(content)
+    assert_equal "hello", post.slug
+    assert_equal "Hello", post.title
+    assert_equal "en", post.lang
+    assert_equal %w[intro ruby], post.tags
+    assert_predicate post, :draft?
+    assert_equal "2026-01-15", post.date_string
+  end
+
+  def test_excerpt_derived_from_body
+    post = Volumen::Post.new(metadata: { "slug" => "x" }, body: "# Heading\n\nThe body paragraph.")
+    assert_equal "The body paragraph.", post.excerpt
+  end
+
+  def test_summary_shape
+    post = Volumen::Post.new(metadata: { "slug" => "x", "title" => "X" }, body: "Body")
+    summary = post.summary
+    assert_equal "/api/volumen/posts/x", summary["url"]
+    assert_equal "X", summary["title"]
+    refute_predicate post, :draft?
+  end
+
+  def test_detail_includes_rendered_html
+    post = Volumen::Post.new(metadata: { "slug" => "x" }, body: "**hi**")
+    assert_includes post.detail["html"], "<strong>hi</strong>"
+  end
+
+  def test_summary_includes_cover_and_reading_time
+    post = Volumen::Post.new(
+      metadata: { "slug" => "x", "cover" => "/media/c.png" },
+      body: ("word " * 250)
+    )
+    assert_equal "/media/c.png", post.summary["cover"]
+    assert_equal 2, post.summary["reading_time"]
+  end
+
+  def test_reading_time_is_at_least_one
+    post = Volumen::Post.new(metadata: { "slug" => "x" }, body: "short")
+    assert_equal 1, post.reading_time
+  end
+end