Armstrong numbers: Sync with problem-specifications (#577)

* Sync docs

* Sync metadata

* Sync & update tests

exercises/practice/armstrong-numbers/.docs/instructions.md

@@ -1,6 +1,6 @@
 # Instructions
 
-An [Armstrong number](https://en.wikipedia.org/wiki/Narcissistic_number) is a number that is the sum of its own digits each raised to the power of the number of digits.
+An [Armstrong number][armstrong-number] is a number that is the sum of its own digits each raised to the power of the number of digits.
 
 For example:
 
@@ -10,3 +10,5 @@ For example:
 - 154 is *not* an Armstrong number, because: `154 != 1^3 + 5^3 + 4^3 = 1 + 125 + 64 = 190`
 
 Write some code to determine whether a number is an Armstrong number.
+
+[armstrong-number]: https://en.wikipedia.org/wiki/Narcissistic_number

exercises/practice/armstrong-numbers/.meta/config.json

@@ -20,7 +20,7 @@
       ".meta/src/example.clj"
     ]
   },
-  "blurb": "Determine if a number is an Armstrong number",
+  "blurb": "Determine if a number is an Armstrong number.",
   "source": "Wikipedia",
   "source_url": "https://en.wikipedia.org/wiki/Narcissistic_number"
 }

exercises/practice/armstrong-numbers/.meta/tests.toml

@@ -1,30 +1,45 @@
-# This is an auto-generated file. Regular comments will be removed when this
-# file is regenerated. Regenerating will not touch any manually added keys,
-# so comments can be added in a "comment" key.
+# This is an auto-generated file.
+#
+# Regenerating this file via `configlet sync` will:
+# - Recreate every `description` key/value pair
+# - Recreate every `reimplements` key/value pair, where they exist in problem-specifications
+# - Remove any `include = true` key/value pair (an omitted `include` key implies inclusion)
+# - Preserve any other key/value pair
+#
+# As user-added comments (using the # character) will be removed when this file
+# is regenerated, comments can be added via a `comment` key.
 
 [c1ed103c-258d-45b2-be73-d8c6d9580c7b]
 description = "Zero is an Armstrong number"
 
 [579e8f03-9659-4b85-a1a2-d64350f6b17a]
-description = "Single digit numbers are Armstrong numbers"
+description = "Single-digit numbers are Armstrong numbers"
 
 [2d6db9dc-5bf8-4976-a90b-b2c2b9feba60]
-description = "There are no 2 digit Armstrong numbers"
+description = "There are no two-digit Armstrong numbers"
 
 [509c087f-e327-4113-a7d2-26a4e9d18283]
-description = "Three digit number that is an Armstrong number"
+description = "Three-digit number that is an Armstrong number"
 
 [7154547d-c2ce-468d-b214-4cb953b870cf]
-description = "Three digit number that is not an Armstrong number"
+description = "Three-digit number that is not an Armstrong number"
 
 [6bac5b7b-42e9-4ecb-a8b0-4832229aa103]
-description = "Four digit number that is an Armstrong number"
+description = "Four-digit number that is an Armstrong number"
 
 [eed4b331-af80-45b5-a80b-19c9ea444b2e]
-description = "Four digit number that is not an Armstrong number"
+description = "Four-digit number that is not an Armstrong number"
 
 [f971ced7-8d68-4758-aea1-d4194900b864]
-description = "Seven digit number that is an Armstrong number"
+description = "Seven-digit number that is an Armstrong number"
 
 [7ee45d52-5d35-4fbd-b6f1-5c8cd8a67f18]
-description = "Seven digit number that is not an Armstrong number"
+description = "Seven-digit number that is not an Armstrong number"
+
+[5ee2fdf8-334e-4a46-bb8d-e5c19c02c148]
+description = "Armstrong number containing seven zeroes"
+include = false
+
+[12ffbf10-307a-434e-b4ad-c925680e1dd4]
+description = "The largest and last Armstrong number"
+include = false

exercises/practice/armstrong-numbers/test/armstrong_numbers_test.clj

@@ -7,37 +7,33 @@
     (is (armstrong? 0))))
 
 (deftest armstrong-number-5
-  (testing "Single digit numbers are Armstrong numbers"
+  (testing "Single-digit numbers are Armstrong numbers"
     (is (armstrong? 5))))
 
 (deftest not-armstrong-number-10
-  (testing "There are no 2 digit Armstrong numbers"
+  (testing "There are no two-digit Armstrong numbers"
     (is (not (armstrong? 10)))))
 
 (deftest armstrong-number-153
-  (testing "Three digit number that is an Armstrong number"
+  (testing "Three-digit number that is an Armstrong number"
     (is (armstrong? 153))))
 
 (deftest not-armstrong-number-100
-  (testing "Three digit number that is not an Armstrong number"
+  (testing "Three-digit number that is not an Armstrong number"
     (is (not (armstrong? 100)))))
 
 (deftest armstrong-number-9474
-  (testing "Four digit number that is an Armstrong number"
+  (testing "Four-digit number that is an Armstrong number"
     (is (armstrong? 9474))))
 
 (deftest not-armstrong-number-9475
-  (testing "Four digit number that is not an Armstrong number"
+  (testing "Four-digit number that is not an Armstrong number"
     (is (not (armstrong? 9475)))))
 
 (deftest armstrong-number-9926315
-  (testing "Seven digit number that is an Armstrong number"
+  (testing "Seven-digit number that is an Armstrong number"
     (is (armstrong? 9926315))))
 
 (deftest not-armstrong-number-9926314
-  (testing "Seven digit number that is not an Armstrong number"
+  (testing "Seven-digit number that is not an Armstrong number"
     (is (not (armstrong? 9926314)))))
-
-(deftest armstrong-number-21897142587612075
-  (testing "Seventeen digit number that is an Armstrong number"
-    (is (armstrong? 21897142587612075))))