Willem van den Ende
061787e897
Not Original Gangsta, but ObjectGraph Reason: images were showing on LinkedIn, but small.
135 lines
3.7 KiB
Elixir
135 lines
3.7 KiB
Elixir
defmodule Blogex.SEOTest do
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use ExUnit.Case, async: true
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import Blogex.Test.PostBuilder
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alias Blogex.SEO
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defmodule StubBlog do
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def base_path, do: "/blog/eng"
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def title, do: "Engineering Blog"
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def description, do: "Our engineering insights"
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end
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@base_url "https://example.com"
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describe "meta_tags/3" do
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test "includes post title and description" do
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post = build(title: "My Title", description: "My Description")
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meta = SEO.meta_tags(post, @base_url, StubBlog)
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assert meta.title == "My Title"
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assert meta.description == "My Description"
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end
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test "builds canonical URL from base_url and post id" do
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post = build(id: "hello-world")
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meta = SEO.meta_tags(post, @base_url, StubBlog)
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assert meta.og_url == "https://example.com/blog/eng/hello-world"
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end
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test "includes OpenGraph article metadata" do
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post = build(author: "Alice", date: ~D[2026-06-15], tags: ["a", "b"])
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meta = SEO.meta_tags(post, @base_url, StubBlog)
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assert meta.og_type == "article"
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assert meta.article_author == "Alice"
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assert meta.article_published_time == "2026-06-15"
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assert meta.article_tags == ["a", "b"]
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end
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test "includes og_image when post has an image" do
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post = build(image: "/images/cover.png")
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meta = SEO.meta_tags(post, @base_url, StubBlog)
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assert meta.og_image == "https://example.com/images/cover.png"
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end
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test "og_image is nil when post has no image" do
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post = build()
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meta = SEO.meta_tags(post, @base_url, StubBlog)
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assert meta.og_image == nil
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end
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test "og_image uses absolute URL with base_url prefix" do
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post = build(image: "/assets/post-hero.jpg")
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meta = SEO.meta_tags(post, "https://myapp.dev", StubBlog)
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assert meta.og_image == "https://myapp.dev/assets/post-hero.jpg"
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end
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end
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describe "meta_tags_for_blog/2" do
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test "returns website type" do
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meta = SEO.meta_tags_for_blog(StubBlog, @base_url)
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assert meta.og_type == "website"
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end
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test "includes blog title and description" do
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meta = SEO.meta_tags_for_blog(StubBlog, @base_url)
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assert meta.og_title == "Engineering Blog"
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assert meta.og_description == "Our engineering insights"
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end
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test "has no og_image for blog listing" do
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meta = SEO.meta_tags_for_blog(StubBlog, @base_url)
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assert meta.og_image == nil
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end
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test "builds correct blog URL" do
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meta = SEO.meta_tags_for_blog(StubBlog, @base_url)
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assert meta.og_url == "https://example.com/blog/eng"
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end
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test "uses summary twitter card for blog listing" do
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meta = SEO.meta_tags_for_blog(StubBlog, @base_url)
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assert meta.twitter_card == "summary"
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end
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end
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describe "sitemap/2" do
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defmodule BlogA do
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def base_path, do: "/blog/a"
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def all_posts, do: [Blogex.Test.PostBuilder.build(id: "post-a", date: ~D[2026-01-01])]
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end
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defmodule BlogB do
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def base_path, do: "/blog/b"
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def all_posts, do: [Blogex.Test.PostBuilder.build(id: "post-b", date: ~D[2026-02-01])]
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end
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test "includes URLs from all blog modules" do
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xml = SEO.sitemap([BlogA, BlogB], @base_url)
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assert xml =~ "<loc>https://example.com/blog/a/post-a</loc>"
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assert xml =~ "<loc>https://example.com/blog/b/post-b</loc>"
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end
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test "produces valid sitemap XML" do
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xml = SEO.sitemap([BlogA], @base_url)
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assert xml =~ ~s(<?xml version="1.0")
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assert xml =~ ~s(<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">)
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assert xml =~ "</urlset>"
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end
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test "includes lastmod from post date" do
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xml = SEO.sitemap([BlogA], @base_url)
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assert xml =~ "<lastmod>2026-01-01</lastmod>"
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end
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end
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end
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