prime-factors: add canonical data

Author: bunnymatic

exercises/prime-factors/canonical-data.json

@@ -0,0 +1,62 @@
+{
+  "for": {
+    "description": "returns prime factors for the given input number",
+    "cases": [
+      {
+        "description" : "returns no prime factors for 1",
+        "input" : 1,
+        "expected" : []
+      },
+      {
+        "description" : "returns [2] as the prime factors for 2",
+        "input" : 2,
+        "expected" : [2]
+      },
+      {
+        "description" : "returns [3] as the prime factors for 3",
+        "input" : 3,
+        "expected" : [3]
+      },
+      {
+        "description" : "returns [2,2] as the prime factors for 4",
+        "input" : 4,
+        "expected" : [2, 2]
+      },
+      {
+        "description" : "returns [2,3] as the prime factors for 6",
+        "input" : 6,
+        "expected" : [2, 3]
+      },
+      {
+        "description" : "returns [2,2,2] as the prime factors for 8",
+        "input" : 8,
+        "expected" : [2, 2, 2]
+      },
+      {
+        "description" : "returns [3,3] as the prime factors for 9",
+        "input" : 9,
+        "expected" : [3, 3]
+      },
+      {
+        "description" : "returns [3,3,3] as the prime factors for 27",
+        "input" : 27,
+        "expected" : [3, 3, 3]
+      },
+      {
+        "description" : "returns [5,5,5,5] as the prime factors for 625",
+        "input" : 625,
+        "expected" : [5, 5, 5, 5]
+      },
+      {
+        "description" : "returns [5, 17, 23, 461] as the prime factors for 901255",
+        "input" : 901255,
+        "expected" : [5, 17, 23, 461]
+      },
+      {
+        "description" : "returns [11, 9539, 894119] as the prime factors for 93819012551",
+        "input" : 93819012551,
+        "expected" : [11, 9539, 894119]
+      }
+    ]
+  }
+}