1 files changed, 88 insertions, 0 deletions
diff --git a/tests/test_api/test_plugin_creation.py b/tests/test_api/test_plugin_creation.py
new file mode 100644
index 0000000..3a9af8b
--- /dev/null
+++ b/tests/test_api/test_plugin_creation.py
@@ -0,0 +1,88 @@
+"""Test basic plugin creation functionality:
+that they can be added and are called correctly
+"""
+from markdown_it import MarkdownIt
+
+
+def inline_rule(state, silent):
+    print("plugin called")
+
+
+def test_inline_after(capsys):
+    def _plugin(_md):
+        _md.inline.ruler.after("text", "new_rule", inline_rule)
+
+    MarkdownIt().use(_plugin).parse("[")
+    assert "plugin called" in capsys.readouterr().out
+
+
+def test_inline_before(capsys):
+    def _plugin(_md):
+        _md.inline.ruler.before("text", "new_rule", inline_rule)
+
+    MarkdownIt().use(_plugin).parse("a")
+    assert "plugin called" in capsys.readouterr().out
+
+
+def test_inline_at(capsys):
+    def _plugin(_md):
+        _md.inline.ruler.at("text", inline_rule)
+
+    MarkdownIt().use(_plugin).parse("a")
+    assert "plugin called" in capsys.readouterr().out
+
+
+def block_rule(state, startLine, endLine, silent):
+    print("plugin called")
+
+
+def test_block_after(capsys):
+    def _plugin(_md):
+        _md.block.ruler.after("hr", "new_rule", block_rule)
+
+    MarkdownIt().use(_plugin).parse("a")
+    assert "plugin called" in capsys.readouterr().out
+
+
+def test_block_before(capsys):
+    def _plugin(_md):
+        _md.block.ruler.before("hr", "new_rule", block_rule)
+
+    MarkdownIt().use(_plugin).parse("a")
+    assert "plugin called" in capsys.readouterr().out
+
+
+def test_block_at(capsys):
+    def _plugin(_md):
+        _md.block.ruler.at("hr", block_rule)
+
+    MarkdownIt().use(_plugin).parse("a")
+    assert "plugin called" in capsys.readouterr().out
+
+
+def core_rule(state):
+    print("plugin called")
+
+
+def test_core_after(capsys):
+    def _plugin(_md):
+        _md.core.ruler.after("normalize", "new_rule", core_rule)
+
+    MarkdownIt().use(_plugin).parse("a")
+    assert "plugin called" in capsys.readouterr().out
+
+
+def test_core_before(capsys):
+    def _plugin(_md):
+        _md.core.ruler.before("normalize", "new_rule", core_rule)
+
+    MarkdownIt().use(_plugin).parse("a")
+    assert "plugin called" in capsys.readouterr().out
+
+
+def test_core_at(capsys):
+    def _plugin(_md):
+        _md.core.ruler.at("normalize", core_rule)
+
+    MarkdownIt().use(_plugin).parse("a")
+    assert "plugin called" in capsys.readouterr().out