[KTLN-627] Add samples (#586)

* [KTLN-627] Add samples

* [KTLN-627] Add samples

* [KTLN-627] Add samples

* [KTLN-627] Add samples

Author: LeoColman

kotest/src/main/kotlin/com/baeldung/kotest/datadriven/PythagTriple.kt

@@ -0,0 +1,6 @@
+package com.baeldung.kotest.datadriven
+
+fun isPythagTriple(a: Int, b: Int, c: Int): Boolean {
+    if(a <= 0 || b <= 0 || c <= 0) return false
+    return a * a + b * b == c * c
+}

kotest/src/test/kotlin/com/baeldung/kotest/datadriven/PythagoreanTripleTest.kt

@@ -0,0 +1,87 @@
+package com.baeldung.kotest.datadriven
+
+import io.kotest.core.spec.style.FunSpec
+import io.kotest.datatest.IsStableType
+import io.kotest.datatest.WithDataTestName
+import io.kotest.datatest.withData
+import io.kotest.matchers.shouldBe
+
+class PythagoreanTripleTest : FunSpec({
+    context("Pythagorean triples tests") {
+        withData(
+            DefaultPythagTriple(3, 4, 5),
+            DefaultPythagTriple(6, 8, 10),
+            DefaultPythagTriple(8, 15, 17),
+            DefaultPythagTriple(7, 24, 25)
+        ) { (a, b, c) ->
+            isPythagTriple(a, b, c) shouldBe true
+        }
+    }
+
+    context("StablePythagorean triples tests") {
+        withData(
+            StablePythagTriple(3, 4, 5),
+            StablePythagTriple(6, 8, 10),
+            StablePythagTriple(8, 15, 17),
+            StablePythagTriple(7, 24, 25)
+        ) { (a, b, c) ->
+            isPythagTriple(a, b, c) shouldBe true
+        }
+    }
+
+    context("NamedPythagorean triples tests") {
+        withData(
+            NamedPythagTriple(3, 4, 5),
+            NamedPythagTriple(6, 8, 10),
+            NamedPythagTriple(8, 15, 17),
+            NamedPythagTriple(7, 24, 25)
+        ) { (a, b, c) ->
+            isPythagTriple(a, b, c) shouldBe true
+        }
+    }
+
+    context("Pythagorean triples tests with map") {
+        withData(
+            mapOf(
+                "3, 4, 5" to DefaultPythagTriple(3, 4, 5),
+                "6, 8, 10" to DefaultPythagTriple(6, 8, 10),
+                "8, 15, 17" to DefaultPythagTriple(8, 15, 17),
+                "7, 24, 25" to DefaultPythagTriple(7, 24, 25)
+            )
+        ) { (a, b, c) ->
+            isPythagTriple(a, b, c) shouldBe true
+        }
+    }
+
+    context("Pythagorean triples tests with name function") {
+        withData(
+            nameFn = { "${it.a}__${it.b}__${it.c}" },
+            DefaultPythagTriple(3, 4, 5),
+            DefaultPythagTriple(6, 8, 10),
+            DefaultPythagTriple(8, 15, 17),
+            DefaultPythagTriple(7, 24, 25)
+        ) { (a, b, c) ->
+            isPythagTriple(a, b, c) shouldBe true
+        }
+    }
+
+    context("each service should support all HTTP methods") {
+        val services = listOf("http://internal.foo", "http://internal.bar", "http://public.baz")
+        val methods = listOf("GET", "POST", "PUT")
+        withData(services) { service ->
+            withData(methods) { method ->
+                println("$service $method") // test service against method
+            }
+        }
+    }
+
+})
+
+data class DefaultPythagTriple(val a: Int, val b: Int, val c: Int)
+
+@IsStableType
+data class StablePythagTriple(val a: Int, val b: Int, val c: Int)
+
+data class NamedPythagTriple(val a: Int, val b: Int, val c: Int) : WithDataTestName {
+    override fun dataTestName() = "Pythagorean Triple: $a, $b, $c"
+}