Handling some words mentioned in #4

Author: Oleg Michailov

library/src/main/kotlin/com/cesarferreira/pluralize/Pluralize.kt

@@ -50,7 +50,7 @@ private fun String.pluralizer(): String {
     var found = Pattern.compile(rule.component1(), Pattern.CASE_INSENSITIVE).matcher(this).replaceAll(rule.component2())
     val endsWith = exceptions().firstOrNull { this.endsWith(it.component1()) }
     if (endsWith != null) found = this.replace(endsWith.component1(), endsWith.component2())
-    val exception = exceptions().firstOrNull() { this.equals(it.component1()) }
+    val exception = exceptions().firstOrNull() { this.equals(it.component1(), true) }
     if (exception != null) found = exception.component2()
     return found
 }
@@ -59,7 +59,7 @@ private fun String.singularizer(): String {
     if (unCountable().contains(this.toLowerCase())) {
         return this
     }
-    val exceptions = exceptions().firstOrNull() { this.equals(it.component2()) }
+    val exceptions = exceptions().firstOrNull() { this.equals(it.component2(), true) }
 
     if (exceptions != null) {
         return exceptions.component1()
@@ -147,7 +147,8 @@ fun exceptions(): List<Pair<String, String>> {
             "noumenon" to "noumena",
             "organon" to "organa",
             "asyndeton" to "asyndeta",
-            "hyperbaton" to "hyperbata")
+            "hyperbaton" to "hyperbata",
+            "foot" to "feet")
 }
 
 fun pluralizeRules(): List<Pair<String, String>> {
@@ -176,7 +177,9 @@ fun pluralizeRules(): List<Pair<String, String>> {
             "f$" to "ves",
             "fe$" to "ves",
             "um$" to "a",
-            "on$" to "a")
+            "on$" to "a",
+            "tion" to "tions",
+            "sion" to "sions")
 }
 
 fun singularizeRules(): List<Pair<String, String>> {

library/src/test/kotlin/com/cesarferreira/pluralize/PluralizationTest.kt

@@ -8,6 +8,9 @@ class PluralizationTest {
     @Test
     fun `Should add default "s" suffix`() {
         assertEquals("posts", "post".pluralize())
+        assertEquals("descriptions", "description".pluralize())
+        assertEquals("colections", "colection".pluralize())
+        assertEquals("versions", "version".pluralize())
     }
 
     @Test
@@ -18,6 +21,12 @@ class PluralizationTest {
     @Test
     fun `Should handle exception words`() {
         assertEquals("men", "man".pluralize())
+        assertEquals("feet", "foot".pluralize())
+    }
+
+    @Test
+    fun `Should handle in case insensitive manner`() {
+        assertEquals("people", "Person".pluralize())
     }
 
 }

library/src/test/kotlin/com/cesarferreira/pluralize/SingularizationTest.kt

@@ -20,4 +20,9 @@ class SingularizationTest {
         assertEquals("person", "people".singularize())
     }
 
+    @Test
+    fun `Should handle in case insensitive manner`() {
+        assertEquals("goy", "Goyim".singularize())
+    }
+
 }