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-rwxr-xr-xcore/src/test/scala/com/rockymadden/stringmetric/similarity/NGramMetricSpec.scala85
1 files changed, 35 insertions, 50 deletions
diff --git a/core/src/test/scala/com/rockymadden/stringmetric/similarity/NGramMetricSpec.scala b/core/src/test/scala/com/rockymadden/stringmetric/similarity/NGramMetricSpec.scala
index 5e1abb8..501a331 100755
--- a/core/src/test/scala/com/rockymadden/stringmetric/similarity/NGramMetricSpec.scala
+++ b/core/src/test/scala/com/rockymadden/stringmetric/similarity/NGramMetricSpec.scala
@@ -1,60 +1,45 @@
package com.rockymadden.stringmetric.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 {
- "compare method" when passed {
- "empty arguments" should returns {
- "None" in {
- NGramMetric(1).compare("", "").isDefined should be (false)
- NGramMetric(1).compare("abc", "").isDefined should be (false)
- NGramMetric(1).compare("", "xyz").isDefined should be (false)
- }
+object NGramMetricSpec extends org.specs2.mutable.SpecificationWithJUnit {
+ "NGramMetric compare()" should {
+ "return None with empty arguments" in {
+ NGramMetric(1).compare("", "").isDefined must beFalse
+ NGramMetric(1).compare("abc", "").isDefined must beFalse
+ NGramMetric(1).compare("", "xyz").isDefined must beFalse
}
- "equal arguments" should returns {
- "1" in {
- NGramMetric(1).compare("abc", "abc").get should be (1)
- NGramMetric(2).compare("abc", "abc").get should be (1)
- NGramMetric(3).compare("abc", "abc").get should be (1)
- }
+ "return 1 with equal arguments" in {
+ NGramMetric(1).compare("abc", "abc").get must beEqualTo(1)
+ NGramMetric(2).compare("abc", "abc").get must beEqualTo(1)
+ NGramMetric(3).compare("abc", "abc").get must beEqualTo(1)
}
- "unequal arguments" should returns {
- "0" in {
- NGramMetric(1).compare("abc", "xyz").get should be (0)
- NGramMetric(2).compare("abc", "xyz").get should be (0)
- NGramMetric(3).compare("abc", "xyz").get should be (0)
- }
+ "return 0 with unequal arguments" in {
+ NGramMetric(1).compare("abc", "xyz").get must beEqualTo(0)
+ NGramMetric(2).compare("abc", "xyz").get must beEqualTo(0)
+ NGramMetric(3).compare("abc", "xyz").get must beEqualTo(0)
}
- "invalid arguments" should returns {
- "None" in {
- NGramMetric(2).compare("n", "naght").isDefined should be (false)
- NGramMetric(2).compare("night", "n").isDefined should be (false)
- NGramMetric(3).compare("ni", "naght").isDefined should be (false)
- NGramMetric(3).compare("night", "na").isDefined should be (false)
- }
+ "return None with invalid arguments" in {
+ NGramMetric(2).compare("n", "naght").isDefined must beFalse
+ NGramMetric(2).compare("night", "n").isDefined must beFalse
+ NGramMetric(3).compare("ni", "naght").isDefined must beFalse
+ NGramMetric(3).compare("night", "na").isDefined must beFalse
}
- "valid arguments" should returns {
- "Double indicating distance" in {
- NGramMetric(1).compare("night", "nacht").get should be (0.6)
- NGramMetric(1).compare("night", "naght").get should be (0.8)
- NGramMetric(1).compare("context", "contact").get should be (0.7142857142857143)
+ "return distance with valid arguments" in {
+ NGramMetric(1).compare("night", "nacht").get must beEqualTo(0.6)
+ NGramMetric(1).compare("night", "naght").get must beEqualTo(0.8)
+ NGramMetric(1).compare("context", "contact").get must beEqualTo(0.7142857142857143)
- NGramMetric(2).compare("night", "nacht").get should be (0.25)
- NGramMetric(2).compare("night", "naght").get should be (0.5)
- NGramMetric(2).compare("context", "contact").get should be (0.5)
- NGramMetric(2).compare("contextcontext", "contact").get should be (0.23076923076923078)
- NGramMetric(2).compare("context", "contactcontact").get should be (0.23076923076923078)
- NGramMetric(2).compare("ht", "nacht").get should be (0.25)
- NGramMetric(2).compare("xp", "nacht").get should be (0)
- NGramMetric(2).compare("ht", "hththt").get should be (0.2)
+ NGramMetric(2).compare("night", "nacht").get must beEqualTo(0.25)
+ NGramMetric(2).compare("night", "naght").get must beEqualTo(0.5)
+ NGramMetric(2).compare("context", "contact").get must beEqualTo(0.5)
+ NGramMetric(2).compare("contextcontext", "contact").get must beEqualTo(0.23076923076923078)
+ NGramMetric(2).compare("context", "contactcontact").get must beEqualTo(0.23076923076923078)
+ NGramMetric(2).compare("ht", "nacht").get must beEqualTo(0.25)
+ NGramMetric(2).compare("xp", "nacht").get must beEqualTo(0)
+ NGramMetric(2).compare("ht", "hththt").get must beEqualTo(0.2)
- NGramMetric(3).compare("night", "nacht").get should be (0)
- NGramMetric(3).compare("night", "naght").get should be (0.3333333333333333)
- NGramMetric(3).compare("context", "contact").get should be (0.4)
- }
+ NGramMetric(3).compare("night", "nacht").get must beEqualTo(0)
+ NGramMetric(3).compare("night", "naght").get must beEqualTo(0.3333333333333333)
+ NGramMetric(3).compare("context", "contact").get must beEqualTo(0.4)
}
}
-}}
+}