Tests for consistent rounding when "stretching" points to the last place instaead of 50%

1 files changed, 45 insertions, 0 deletions

diff --git a/test/DoublePointsTest.php b/test/DoublePointsTest.php
new file mode 100644
index 0000000..a98a5b4
--- /dev/null
+++ b/test/DoublePointsTest.php
@@ -0,0 +1,45 @@
+<?php
+
+use PHPUnit\Framework\TestCase;
+
+require_once(dirname(__FILE__) . '/../http/api-inc.php');
+
+class DoublePointsTest extends TestCase {
+
+
+    /**
+     * @dataProvider dataGenerator
+     */
+    public function testPointStretch($points, $players) {
+        $params = [
+            'type' => 2,
+            'contestants' => $players,
+            'manual' => [
+                'min_points' => $points
+            ]
+        ];
+        $doubleContestants = $params;
+        $doubleContestants['contestants'] *= 2;
+        $doubleContestantsResults = run($doubleContestants);
+        $doubleContestantsResults['points'] = array_slice(
+            $doubleContestantsResults['points'], 0, $players, TRUE);
+        $doubleContestantsResults['sum'] = array_sum($doubleContestantsResults['points']) * 2;
+        $stretchFunction = $params;
+        $stretchFunction['manual']['points_cutoffs'] = [
+            [0.04, 0.9], [0.4, 0.2], [1.0, 0.0]
+        ];
+        $stretchFunctionResults = run($stretchFunction);
+        $this->assertEquals($stretchFunctionResults, $doubleContestantsResults);
+    }
+
+    public function dataGenerator() {
+        for ($maxPoints = 10; $maxPoints <= 250; $maxPoints += 5) {
+            for ($players = 10; $players < $maxPoints; $players += 1) {
+                yield [$maxPoints, $players];
+            }
+        }
+    }
+
+}
+
+?>