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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 HammingMetricSpec extends ScalaTest { "HammingMetric" should provide {
"compare method" when passed {
"empty arguments" should returns {
"None" in {
HammingMetric.compare("", "").isDefined should be (false)
HammingMetric.compare("abc", "").isDefined should be (false)
HammingMetric.compare("", "xyz").isDefined should be (false)
}
}
"equal arguments" should returns {
"0" in {
HammingMetric.compare("abc", "abc").get should be (0)
HammingMetric.compare("123", "123").get should be (0)
}
}
"unequal arguments" should returns {
"Int indicating distance" in {
HammingMetric.compare("abc", "xyz").get should be (3)
HammingMetric.compare("123", "456").get should be (3)
}
}
"valid arguments" should returns {
"Int indicating distance" in {
HammingMetric.compare("toned", "roses").get should be (3)
HammingMetric.compare("1011101", "1001001").get should be (2)
HammingMetric.compare("2173896", "2233796").get should be (3)
}
}
}
}}
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