From 3262b3a337759439f3049b9299be12baf8420750 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@gmail.com>
Date: Mon, 15 Jul 2024 22:26:12 +0200
Subject: turns: add more tests

---
 domain/tests/turn_order.cpp | 141 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 141 insertions(+)
 create mode 100644 domain/tests/turn_order.cpp

(limited to 'domain/tests/turn_order.cpp')

diff --git a/domain/tests/turn_order.cpp b/domain/tests/turn_order.cpp
new file mode 100644
index 0000000..7172ffc
--- /dev/null
+++ b/domain/tests/turn_order.cpp
@@ -0,0 +1,141 @@
+#include "turns/domain/turn_order.hpp"
+
+#include "turns/domain/participant.hpp"
+
+#include <catch2/catch_test_macros.hpp>
+
+#include <compare>
+
+#include <glibmm/init.h>
+
+namespace turns::domain::tests
+{
+
+  TEST_CASE("A freshly constructed turn order")
+  {
+    auto instance = turn_order{};
+
+    SECTION("can be created")
+    {
+      REQUIRE(turn_order::create());
+    }
+
+    SECTION("has 0 items")
+    {
+      REQUIRE(instance.get_n_items() == 0);
+    }
+
+    SECTION("accepts a new participant in form of a refptr")
+    {
+      instance.append(participant::create("Honey Bunches of Oats", 12));
+      REQUIRE(instance.get_n_items() == 1);
+    }
+
+    SECTION("accepts a new participant in form of components")
+    {
+      instance.append("River along the Field", 14);
+      REQUIRE(instance.get_n_items() == 1);
+    }
+
+    SECTION("does nothing when trying to remove an item by refptr if no items were added beforehand")
+    {
+      instance.remove(participant::create("Patch in the Forest", 3));
+      REQUIRE(instance.get_n_items() == 0);
+    }
+
+    SECTION("does nothing when trying to remove an item by index if no items were added beforehand")
+    {
+      instance.remove(5);
+      REQUIRE(instance.get_n_items() == 0);
+    }
+
+    SECTION("allows the removal of an item by refptr if the same item was added beforehand")
+    {
+      auto item = participant::create("Blank Canvas", 23);
+      instance.append(item);
+      instance.remove(item);
+      REQUIRE(instance.get_n_items() == 0);
+    }
+
+    SECTION("does nothing when trying to remove an item by refptr that was not added beforehand")
+    {
+      auto item = participant::create("Blank Canvas", 23);
+      instance.append(item);
+      instance.remove(participant::create("Spell of Rain", 6));
+      REQUIRE(instance.get_n_items() == 1);
+    }
+
+    SECTION("automatically sorts appended refptrs in descending order of priority")
+    {
+      SECTION("when appending the higher one last")
+      {
+        instance.append(participant::create("Snow on the Field", 2));
+        instance.append(participant::create("Bees behind the Cottage", 8));
+        REQUIRE(instance.get_item(0)->get_name() == "Bees behind the Cottage");
+      }
+
+      SECTION("when appending the higher one first")
+      {
+        instance.append(participant::create("Bees behind the Cottage", 8));
+        instance.append(participant::create("Snow on the Field", 2));
+        REQUIRE(instance.get_item(0)->get_name() == "Bees behind the Cottage");
+      }
+
+      SECTION("keeping the insertion order when appending items with equal priority")
+      {
+        instance.append(participant::create("Snow on the Field", 8));
+        instance.append(participant::create("Bees behind the Cottage", 8));
+        REQUIRE(instance.get_item(0)->get_name() == "Snow on the Field");
+      }
+    }
+
+    SECTION("automatically sorts elements appended by components in descending order of priority")
+    {
+      SECTION("when appending the higher one last")
+      {
+        instance.append("Tree Blossom", 6);
+        instance.append("Fish in the River", 12);
+        REQUIRE(instance.get_item(0)->get_name() == "Fish in the River");
+      }
+
+      SECTION("when appending the higher one first")
+      {
+        instance.append("Fish in the River", 12);
+        instance.append("Tree Blossom", 6);
+        REQUIRE(instance.get_item(0)->get_name() == "Fish in the River");
+      }
+
+      SECTION("keeping the insertion order when appending items with equal priority")
+      {
+        instance.append("Fish in the River", 6);
+        instance.append("Tree Blossom", 6);
+        REQUIRE(instance.get_item(0)->get_name() == "Fish in the River");
+      }
+    }
+
+    SECTION("does not accept the same item twice by the same refptr")
+    {
+      auto item = participant::create("Angelic Berry", 9);
+      instance.append(item);
+      instance.append(item);
+      REQUIRE(instance.get_n_items() == 1);
+    }
+
+    SECTION("does not accept the same item twice by different refptrs")
+    {
+      auto item_one = participant::create("Misty Meadow", 14.2);
+      auto item_two = participant::create("Misty Meadow", 14.2);
+      instance.append(item_one);
+      instance.append(item_two);
+      REQUIRE(instance.get_n_items() == 1);
+    }
+
+    SECTION("does not accept the same item twice by components")
+    {
+      instance.append("Frozen Apple Tree", 2.1);
+      instance.append("Frozen Apple Tree", 2.1);
+      REQUIRE(instance.get_n_items() == 1);
+    }
+  }
+
+}  // namespace turns::domain::tests
\ No newline at end of file
-- 
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