Add italics parsing unit tests

1 files changed, 64 insertions, 0 deletions

diff --git a/src/test/kotlin/moe/nea/blog/md/test/TestItalics.kt b/src/test/kotlin/moe/nea/blog/md/test/TestItalics.kt
new file mode 100644
index 0000000..b4b102a
--- /dev/null
+++ b/src/test/kotlin/moe/nea/blog/md/test/TestItalics.kt
@@ -0,0 +1,64 @@
+package moe.nea.blog.md.test
+
+import moe.nea.blog.md.MarkdownFormat
+import moe.nea.blog.md.MarkdownParser
+import java.io.ByteArrayOutputStream
+import java.io.PrintStream
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class TestItalics {
+
+    fun parseInline(string: String): MarkdownFormat {
+        val parser = MarkdownParser(string)
+        parser.addDefaultParsers()
+        return parser.parseInlineText(string)
+    }
+
+    fun assertInlineFormat(expected: String, source: String) {
+        val format = parseInline(source)
+        val baos = ByteArrayOutputStream()
+        format.debugFormat(PrintStream(baos))
+        assertEquals(expected, baos.toByteArray().decodeToString())
+    }
+
+    @Test
+    fun testDoubleStartItalicsInBold() {
+        assertInlineFormat("<b><i>both</i> just bold</b>", "***both* just bold**")
+    }
+
+    @Test
+    fun testDoubleStartBoldInItalics() {
+        assertInlineFormat("<i><b>both</b> just italics</i>", "***both** just italics*")
+    }
+
+    @Test
+    fun testDoubleStartRestartingItalics() {
+        assertInlineFormat(
+            "<i><b>both</b> just italics <b>both again</b></i>",
+            "***both** just italics **both again***"
+        )
+    }
+
+    @Test
+    fun testStandaloneBold() {
+        assertInlineFormat("<b>bold</b>", "**bold**")
+    }
+
+    @Test
+    fun testStandaloneItalics() {
+        assertInlineFormat("<i>italic</i>", "*italic*")
+    }
+
+    @Test
+    fun testInline() {
+        assertInlineFormat("left <i>italics</i> middle <b>bold</b> right", "left *italics* middle **bold** right")
+    }
+
+    @Test
+    fun testNested() {
+        assertInlineFormat("<i>a <b>bold</b> b</i>", "*a **bold** b*")
+        assertInlineFormat("<i>a <i>double italics</i></i>", "*a *double italics**")
+    }
+
+}
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