2 files changed, 90 insertions, 0 deletions
diff --git a/sw-common-model/build.gradle.kts b/sw-common-model/build.gradle.kts
index 9c8eff58..81c58543 100644
--- a/sw-common-model/build.gradle.kts
+++ b/sw-common-model/build.gradle.kts
@@ -5,4 +5,7 @@ plugins {
 
 dependencies {
     implementation(kotlin("stdlib-jdk8"))
+
+    testImplementation(kotlin("test"))
+    testImplementation(kotlin("test-junit"))
 }
diff --git a/sw-common-model/src/test/kotlin/org/luxons/sevenwonders/game/api/WonderSidePickMethodTest.kt b/sw-common-model/src/test/kotlin/org/luxons/sevenwonders/game/api/WonderSidePickMethodTest.kt
new file mode 100644
index 00000000..9757ff86
--- /dev/null
+++ b/sw-common-model/src/test/kotlin/org/luxons/sevenwonders/game/api/WonderSidePickMethodTest.kt
@@ -0,0 +1,87 @@
+package org.luxons.sevenwonders.game.api
+
+import kotlin.random.Random
+import kotlin.test.BeforeTest
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class WonderSidePickMethodTest {
+
+    private lateinit var random: Random
+
+    private lateinit var random2: Random
+
+    @BeforeTest
+    fun setUp() {
+        random = Random(421) // starts with TRUE
+        random2 = Random(42) // starts with FALSE
+    }
+
+    @Test
+    fun pick_allA() {
+        var side: WonderSide? = null
+        repeat(10) {
+            side = WonderSidePickMethod.ALL_A.pickSide(random, side)
+            assertEquals(WonderSide.A, side)
+        }
+    }
+
+    @Test
+    fun pick_allB() {
+        var side: WonderSide? = null
+        repeat(10) {
+            side = WonderSidePickMethod.ALL_B.pickSide(random, side)
+            assertEquals(WonderSide.B, side)
+        }
+    }
+
+    @Test
+    fun pick_eachRandom() {
+        var side = WonderSidePickMethod.EACH_RANDOM.pickSide(random, null)
+        assertEquals(WonderSide.A, side)
+        side = WonderSidePickMethod.EACH_RANDOM.pickSide(random, side)
+        assertEquals(WonderSide.A, side)
+        side = WonderSidePickMethod.EACH_RANDOM.pickSide(random, side)
+        assertEquals(WonderSide.B, side)
+        side = WonderSidePickMethod.EACH_RANDOM.pickSide(random, side)
+        assertEquals(WonderSide.A, side)
+        side = WonderSidePickMethod.EACH_RANDOM.pickSide(random, side)
+        assertEquals(WonderSide.B, side)
+        side = WonderSidePickMethod.EACH_RANDOM.pickSide(random, side)
+        assertEquals(WonderSide.B, side)
+    }
+
+    @Test
+    fun pick_eachRandom2() {
+        var side = WonderSidePickMethod.EACH_RANDOM.pickSide(random2, null)
+        assertEquals(WonderSide.B, side)
+        side = WonderSidePickMethod.EACH_RANDOM.pickSide(random2, side)
+        assertEquals(WonderSide.B, side)
+        side = WonderSidePickMethod.EACH_RANDOM.pickSide(random2, side)
+        assertEquals(WonderSide.A, side)
+        side = WonderSidePickMethod.EACH_RANDOM.pickSide(random2, side)
+        assertEquals(WonderSide.A, side)
+        side = WonderSidePickMethod.EACH_RANDOM.pickSide(random2, side)
+        assertEquals(WonderSide.B, side)
+        side = WonderSidePickMethod.EACH_RANDOM.pickSide(random2, side)
+        assertEquals(WonderSide.B, side)
+    }
+
+    @Test
+    fun pick_allSameRandom_sameAsFirst() {
+        repeat(10) {
+            val side = WonderSidePickMethod.SAME_RANDOM_FOR_ALL.pickSide(random, WonderSide.A)
+            assertEquals(WonderSide.A, side)
+        }
+        repeat(10) {
+            val side = WonderSidePickMethod.SAME_RANDOM_FOR_ALL.pickSide(random, WonderSide.B)
+            assertEquals(WonderSide.B, side)
+        }
+    }
+
+    @Test
+    fun pick_allSameRandom_firstIsRandom() {
+        assertEquals(WonderSide.A, WonderSidePickMethod.SAME_RANDOM_FOR_ALL.pickSide(random, null))
+        assertEquals(WonderSide.B, WonderSidePickMethod.SAME_RANDOM_FOR_ALL.pickSide(random2, null))
+    }
+}