1 files changed, 68 insertions, 0 deletions
diff --git a/cli/source/test/scala/com/rockymadden/stringmetric/cli/similarity/ngrammetricSpec.scala b/cli/source/test/scala/com/rockymadden/stringmetric/cli/similarity/ngrammetricSpec.scala
new file mode 100755
index 0000000..f969df3
--- /dev/null
+++ b/cli/source/test/scala/com/rockymadden/stringmetric/cli/similarity/ngrammetricSpec.scala
@@ -0,0 +1,68 @@
+package com.rockymadden.stringmetric.cli.similarity
+
+import com.rockymadden.stringmetric.ScalaTest
+import org.junit.runner.RunWith
+import org.scalatest.junit.JUnitRunner
+
+@RunWith(classOf[JUnitRunner])
+final class ngrammetricSpec extends ScalaTest {
+	"ngrammetric" should provide {
+		"main method" when passed {
+			"valid dashless arguments and valid n argument" should executes {
+				"print if they are a match" in {
+					val out = new java.io.ByteArrayOutputStream()
+
+					Console.withOut(out)(
+						ngrammetric.main(
+							Array(
+								"--unitTest",
+								"--debug",
+								"--n=1",
+								"abc",
+								"abc"
+							)
+						)
+					)
+
+					out.toString should equal ("1.0\n")
+					out.reset()
+
+					Console.withOut(out)(
+						ngrammetric.main(
+							Array(
+								"--unitTest",
+								"--debug",
+								"--n=1",
+								"abc",
+								"xyz"
+							)
+						)
+					)
+
+					out.toString should equal ("0.0\n")
+					out.reset()
+				}
+			}
+			"valid dashless arguments and invalid n argument" should throws {
+				"IllegalArgumentException" in {
+					evaluating {
+						ngrammetric.main(
+							Array(
+								"--unitTest",
+								"abc",
+								"abc"
+							)
+						)
+					} should produce [IllegalArgumentException]
+				}
+			}
+			"no dashless arguments" should throws {
+				"IllegalArgumentException" in {
+					evaluating {
+						ngrammetric.main(Array("--unitTest", "--debug"))
+					} should produce [IllegalArgumentException]
+				}
+			}
+		}
+	}
+}