test: add a test-case with 70 millions of participants

src/test/java/fr/mieuxvoter/mj/MajorityJudgmentDeliberatorTest.java

@@ -10,7 +10,6 @@ import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import net.joshka.junit.json.params.JsonFileSource;
-//import net.joshka.junit.json.params.JsonObject;
 
 
 class MajorityJudgmentDeliberatorTest {
@@ -29,7 +28,7 @@ class MajorityJudgmentDeliberatorTest {
 		assertEquals(2, result.getProposalResults()[0].getRank());
 		assertEquals(1, result.getProposalResults()[1].getRank());
 	}
-	 
+
 	@Test
 	public void testUsageWithBigNumbers() {
 		DeliberatorInterface mj = new MajorityJudgmentDeliberator();
@@ -49,7 +48,7 @@ class MajorityJudgmentDeliberatorTest {
 		assertEquals(2, result.getProposalResults()[0].getRank());
 		assertEquals(1, result.getProposalResults()[1].getRank());
 	}
-	
+
 	@DisplayName("Test majority judgment deliberation")
 	@ParameterizedTest(name="#{index} {0}")
 	@JsonFileSource(resources = "/assertions.json")
@@ -82,7 +81,7 @@ class MajorityJudgmentDeliberatorTest {
 			);
 		}
 	}
-	
+
 //	@Test
 //	public void runBenchmarks() throws Exception {
 //		Options options = new OptionsBuilder()

src/test/resources/README.md

@@ -0,0 +1,16 @@
+Do add your test cases in the JSON file.
+
+Some of the sample tallies were made using python.
+
+```python
+import numpy as np
+def randofsum_unbalanced(s, n):
+    # Where s = sum (e.g. 40 in your case) and n is the output array length (e.g. 4 in your case)
+    r = np.random.rand(n)
+    a = np.array(np.round((r/np.sum(r))*s,0),dtype=int)
+    while np.sum(a) > s:
+        a[np.random.choice(n)] -= 1
+    while np.sum(a) < s:
+        a[np.random.choice(n)] += 1
+    return a
+```

src/test/resources/assertions.json

@@ -31,6 +31,24 @@
             2,
             3
         ]
+    },
+    {
+        "title": "Millions of participants",
+        "participants": 72327456,
+        "tallies": [
+            [5272679, 19797001, 10732688, 9612936, 1379840, 16886281, 8646031],
+            [16354546, 11690342, 9451800, 14245973, 817593, 12461162, 7306040],
+            [9849171, 17970690, 14276861, 4606692, 16404594, 6760147, 2459301],
+            [2645563, 12907474, 1278331, 22843261, 8025412, 8964952, 15662463],
+            [16293252, 12277630, 38348, 14929905, 11087753, 10634266, 7066302]
+        ],
+        "ranks": [
+            3,
+            4,
+            5,
+            1,
+            2
+        ]
     }
 
 ]