isogram: Sync tests (#705)

* sync tests

* update starter file

* implement tests

* update example solution so that it passes the tests

* update config

* rename test functions

* move example.clj to .meta folder

[no important files changed]

Author: tasxatzial

Diff for: exercises/practice/isogram/.meta/config.json

@@ -6,7 +6,8 @@
     "AndreaCrotti",
     "haus",
     "sjwarner-bp",
-    "yurrriq"
+    "yurrriq",
+    "tasxatzial"
   ],
   "files": {
     "solution": [

Diff for: exercises/practice/isogram/.meta/example.clj

@@ -1,5 +1,10 @@
-(ns isogram
-  (:require [clojure.string :as str]))
+(ns isogram)
 
-(defn isogram? [word]
-  (apply distinct? (filter #(Character/isLetter %) (str/lower-case word))))
+(defn isogram?
+  [s]
+  (->> s
+       clojure.string/lower-case
+       (filter #(Character/isAlphabetic (int %)))
+       frequencies
+       vals
+       (every? #{1})))

Diff for: exercises/practice/isogram/.meta/tests.toml

@@ -1,6 +1,13 @@
-# 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.
 
 [a0e97d2d-669e-47c7-8134-518a1e2c4555]
 description = "empty string"
@@ -40,3 +47,6 @@ description = "duplicated character in the middle"
 
 [310ac53d-8932-47bc-bbb4-b2b94f25a83e]
 description = "same first and last characters"
+
+[0d0b8644-0a1e-4a31-a432-2b3ee270d847]
+description = "word with duplicated character and with two hyphens"

Diff for: exercises/practice/isogram/src/isogram.clj

@@ -1,5 +1,7 @@
 (ns isogram)
 
-(defn isogram? [] ;; <- arglist goes here
-  ;; your code goes here
-)
+(defn isogram?
+  "Returns true if the given string is an isogram; otherwise, returns false"
+  [s]
+  ;; function body
+  )

Diff for: exercises/practice/isogram/test/isogram_test.clj

@@ -1,17 +1,59 @@
 (ns isogram-test
-  (:require [clojure.test :refer [deftest is]]
+  (:require [clojure.test :refer [deftest testing is]]
             isogram))
 
-(deftest test-isograms
-  (is (isogram/isogram? "duplicates"))
-  (is (isogram/isogram? "subdermatoglyphic"))
-  (is (isogram/isogram? "thumbscrew-japingly"))
-  (is (isogram/isogram? "Hjelmqvist-Gryb-Zock-Pfund-Wax"))
-  (is (isogram/isogram? "Heizölrückstoßabdämpfung"))
-  (is (isogram/isogram? "Emily Jung Schwartzkopf")))
-
-(deftest test-non-isograms
-  (is (not (isogram/isogram? "eleven")))
-  (is (not (isogram/isogram? "Alphabet")))
-  (is (not (isogram/isogram? "the quick brown fox")))
-  (is (not (isogram/isogram? "éléphant"))))
+(deftest isogram?_test_1
+  (testing "empty string"
+    (is (true? (isogram/isogram? "")))))
+
+(deftest isogram?_test_2
+  (testing "isogram with only lower case characters"
+    (is (true? (isogram/isogram? "isogram")))))
+
+(deftest isogram?_test_3
+  (testing "word with one duplicated character"
+    (is (false? (isogram/isogram? "eleven")))))
+
+(deftest isogram?_test_4
+  (testing "word with one duplicated character from the end of the alphabet"
+    (is (false? (isogram/isogram? "zzyzx")))))
+
+(deftest isogram?_test_5
+  (testing "longest reported english isogram"
+    (is (true? (isogram/isogram? "subdermatoglyphic")))))
+
+(deftest isogram?_test_6
+  (testing "word with duplicated character in mixed case"
+    (is (false? (isogram/isogram? "Alphabet")))))
+
+(deftest isogram?_test_7
+  (testing "word with duplicated character in mixed case, lowercase first"
+    (is (false? (isogram/isogram? "alphAbet")))))
+
+(deftest isogram?_test_8
+  (testing "hypothetical isogrammic word with hyphen"
+    (is (true? (isogram/isogram? "thumbscrew-japingly")))))
+
+(deftest isogram?_test_9
+  (testing "hypothetical word with duplicated character following hyphen"
+    (is (false? (isogram/isogram? "thumbscrew-jappingly")))))
+
+(deftest isogram?_test_10
+  (testing "isogram with duplicated hyphen"
+    (is (true? (isogram/isogram? "six-year-old")))))
+
+(deftest isogram?_test_11
+  (testing "made-up name that is an isogram"
+    (is (true? (isogram/isogram? "Emily Jung Schwartzkopf")))))
+
+(deftest isogram?_test_12
+  (testing "duplicated character in the middle"
+    (is (false? (isogram/isogram? "accentor")))))
+
+(deftest isogram?_test_13
+  (testing "same first and last characters"
+    (is (false? (isogram/isogram? "angola")))))
+
+(deftest isogram?_test_14
+  (testing "word with duplicated character and with two hyphens"
+    (is (false? (isogram/isogram? "up-to-date")))))