Fix require tartrazine broken, add more spec. (Fix #101)

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Check out repository code
         uses: actions/checkout@master
       - name: Install dependencies
-        run: shards install --without-development
+        run: shards install
       - name: Cache Ameba binary
         id: cache-ameba
         uses: actions/cache@v3

shard.yml

@@ -1,6 +1,10 @@
 name: markd
 version: 0.6.0
 
+development_dependencies:
+  tartrazine :
+    github: ralsina/tartrazine
+
 authors:
   - icyleaf <icyleaf.cn@gmail.com>
   - nobodywasishere <margret@eowyn.net>

spec/fixtures/tartrazine.cr

@@ -0,0 +1,10 @@
+require "tartrazine"
+require "../../src/markd"
+
+markdown = <<-MD
+# Hello Markd
+
+> Yet another markdown parser built for speed, written in Crystal, Compliant to CommonMark specification.
+MD
+
+html = Markd.to_html(markdown)

spec/markd_spec.cr

@@ -28,4 +28,8 @@
 
     Markd.to_html(raw).should eq(html)
   end
+
+  it "should no error when require tartrazine" do
+    {{ run("./fixtures/tartrazine.cr") }}
+  end
 end

src/markd/renderers/html_renderer.cr

@@ -32,8 +32,12 @@ module Markd
     end
 
     def code_block(node : Node, entering : Bool, formatter : T? = nil) : Nil forall T
-      {% if @top_level.has_constant?("Tartrazine") && !formatter.nil? %}
-        render_code_block_use_tartrazine(node, formatter)
+      {% if @top_level.has_constant?("Tartrazine") %}
+        if formatter
+          render_code_block_use_tartrazine(node, formatter)
+        else
+          render_code_block_use_code_tag(node)
+        end
       {% else %}
         render_code_block_use_code_tag(node)
       {% end %}