1 files changed, 69 insertions, 0 deletions
diff --git a/doc-tool/test/YamlTest.scala b/doc-tool/test/YamlTest.scala
new file mode 100644
index 000000000..2d633d12c
--- /dev/null
+++ b/doc-tool/test/YamlTest.scala
@@ -0,0 +1,69 @@
+package dotty.tools
+package dottydoc
+
+import org.junit.Test
+import org.junit.Assert._
+
+import staticsite.MarkdownPage
+
+class YamlTest extends DottyDocTest {
+  import scala.collection.JavaConverters._
+
+  @Test def has1Key = {
+    val page = new MarkdownPage(
+      """|---
+         |key:
+         |---
+         |
+         |great""".stripMargin,
+      Map.empty
+    )
+
+    assert(
+      page.yaml == Map("key" -> ""),
+      s"""incorrect yaml, expected "key:" without key in: ${page.yaml}"""
+    )
+
+    assertEquals("<p>great</p>\n", page.html)
+  }
+
+  @Test def yamlPreservesLiquidTags = {
+    val page1 = new MarkdownPage(
+      """|---
+         |key:
+         |---
+         |
+         |{{ content }}""".stripMargin,
+       Map("content" -> "Hello, world!")
+    )
+
+    assert(
+      page1.yaml == Map("key" -> ""),
+      s"""incorrect yaml, expected "key:" without key in: ${page1.yaml}"""
+    )
+
+    assertEquals("<p>Hello, world!</p>\n", page1.html)
+
+    val page2 = new MarkdownPage(
+      """|{{ content }}""".stripMargin,
+      Map("content" -> "hello")
+    )
+    assert(
+      page2.yaml == Map(),
+      s"""incorrect yaml, expected "key:" without key in: ${page2.yaml}"""
+    )
+    assertEquals("<p>hello</p>\n", page2.html)
+
+    val page3 = new MarkdownPage(
+      """|{% if product.title == "Awesome Shoes" %}
+         |These shoes are awesome!
+         |{% endif %}""".stripMargin,
+      Map("product" -> Map("title" -> "Awesome Shoes").asJava)
+    )
+
+    assertEquals(
+      "<p>These shoes are awesome!</p>\n",
+      page3.html
+    )
+  }
+}