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Diffstat (limited to 'core/src/test/scala/com/rockymadden/stringmetric/similarity/WeightedLevenshteinMetricSpec.scala')
| -rwxr-xr-x | core/src/test/scala/com/rockymadden/stringmetric/similarity/WeightedLevenshteinMetricSpec.scala | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/core/src/test/scala/com/rockymadden/stringmetric/similarity/WeightedLevenshteinMetricSpec.scala b/core/src/test/scala/com/rockymadden/stringmetric/similarity/WeightedLevenshteinMetricSpec.scala new file mode 100755 index 0000000..070458a --- /dev/null +++ b/core/src/test/scala/com/rockymadden/stringmetric/similarity/WeightedLevenshteinMetricSpec.scala @@ -0,0 +1,48 @@ +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 WeightedLevenshteinMetricSpec extends ScalaTest { "WeightedLevenshteinMetric" should provide { + "compare method" when passed { + "empty arguments" should returns { + "None" in { + WeightedLevenshteinMetric(10, 0.1, 1).compare("", "").isDefined should be (false) + WeightedLevenshteinMetric(10, 0.1, 1).compare("abc", "").isDefined should be (false) + WeightedLevenshteinMetric(10, 0.1, 1).compare("", "xyz").isDefined should be (false) + } + } + "equal arguments" should returns { + "0" in { + WeightedLevenshteinMetric(10, 0.1, 1).compare("abc", "abc").get should be (0) + WeightedLevenshteinMetric(10, 0.1, 1).compare("123", "123").get should be (0) + } + } + "unequal arguments" should returns { + "Double indicating distance" in { + WeightedLevenshteinMetric(10, 0.1, 1).compare("abc", "xyz").get should be (3) + WeightedLevenshteinMetric(10, 0.1, 1).compare("123", "456").get should be (3) + } + } + "valid arguments" should returns { + "Double indicating distance" in { + WeightedLevenshteinMetric(10, 0.1, 1).compare("az", "z").get should be (10) + WeightedLevenshteinMetric(10, 0.1, 1).compare("z", "az").get should be (0.1) + WeightedLevenshteinMetric(10, 0.1, 1).compare("a", "z").get should be (1) + WeightedLevenshteinMetric(10, 0.1, 1).compare("z", "a").get should be (1) + WeightedLevenshteinMetric(10, 0.1, 1).compare("ab", "yz").get should be (2) + WeightedLevenshteinMetric(10, 0.1, 1).compare("yz", "ab").get should be (2) + WeightedLevenshteinMetric(10, 0.1, 1).compare("0", "0123456789").get should be (0.9) + WeightedLevenshteinMetric(10, 0.1, 1).compare("0123456789", "0").get should be (90) + WeightedLevenshteinMetric(10, 0.1, 1).compare("book", "back").get should be (2) + WeightedLevenshteinMetric(10, 0.1, 1).compare("back", "book").get should be (2) + WeightedLevenshteinMetric(10, 0.1, 1).compare("hosp", "hospital").get should be (0.4) + WeightedLevenshteinMetric(10, 0.1, 1).compare("hospital", "hosp").get should be (40) + WeightedLevenshteinMetric(10, 0.1, 1).compare("clmbs blvd", "columbus boulevard").get should be (0.8) + WeightedLevenshteinMetric(10, 0.1, 1).compare("columbus boulevard", "clmbs blvd").get should be (80) + } + } + } +}} |