Sync anagram with problem-specifications

exercises/practice/anagram/.meta/test_template.tera

@@ -0,0 +1,16 @@
+use {{ crate_name }}::*;
+use std::collections::HashSet;
+
+{% for test in cases %}
+#[test]
+{% if loop.index != 1 -%}
+#[ignore]
+{% endif -%}
+fn {{ test.description | slugify | replace(from="-", to="_") }}() {
+    let word = {{ test.input.subject | json_encode() }};
+    let inputs = &{{ test.input.candidates | json_encode() }};
+    let output = {{ fn_names[0] }}(word, inputs);
+    let expected = HashSet::from_iter({{ test.expected | json_encode() }});
+    assert_eq!(output, expected);
+}
+{% endfor -%}

exercises/practice/anagram/.meta/tests.toml

@@ -1,3 +1,80 @@
-# 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.
+
+[dd40c4d2-3c8b-44e5-992a-f42b393ec373]
+description = "no matches"
+
+[b3cca662-f50a-489e-ae10-ab8290a09bdc]
+description = "detects two anagrams"
+include = false
+
+[03eb9bbe-8906-4ea0-84fa-ffe711b52c8b]
+description = "detects two anagrams"
+reimplements = "b3cca662-f50a-489e-ae10-ab8290a09bdc"
+
+[a27558ee-9ba0-4552-96b1-ecf665b06556]
+description = "does not detect anagram subsets"
+
+[64cd4584-fc15-4781-b633-3d814c4941a4]
+description = "detects anagram"
+
+[99c91beb-838f-4ccd-b123-935139917283]
+description = "detects three anagrams"
+
+[78487770-e258-4e1f-a646-8ece10950d90]
+description = "detects multiple anagrams with different case"
+
+[1d0ab8aa-362f-49b7-9902-3d0c668d557b]
+description = "does not detect non-anagrams with identical checksum"
+
+[9e632c0b-c0b1-4804-8cc1-e295dea6d8a8]
+description = "detects anagrams case-insensitively"
+
+[b248e49f-0905-48d2-9c8d-bd02d8c3e392]
+description = "detects anagrams using case-insensitive subject"
+
+[f367325c-78ec-411c-be76-e79047f4bd54]
+description = "detects anagrams using case-insensitive possible matches"
+
+[7cc195ad-e3c7-44ee-9fd2-d3c344806a2c]
+description = "does not detect an anagram if the original word is repeated"
+include = false
+
+[630abb71-a94e-4715-8395-179ec1df9f91]
+description = "does not detect an anagram if the original word is repeated"
+reimplements = "7cc195ad-e3c7-44ee-9fd2-d3c344806a2c"
+
+[9878a1c9-d6ea-4235-ae51-3ea2befd6842]
+description = "anagrams must use all letters exactly once"
+
+[85757361-4535-45fd-ac0e-3810d40debc1]
+description = "words are not anagrams of themselves (case-insensitive)"
+include = false
+
+[68934ed0-010b-4ef9-857a-20c9012d1ebf]
+description = "words are not anagrams of themselves"
+reimplements = "85757361-4535-45fd-ac0e-3810d40debc1"
+
+[589384f3-4c8a-4e7d-9edc-51c3e5f0c90e]
+description = "words are not anagrams of themselves even if letter case is partially different"
+reimplements = "85757361-4535-45fd-ac0e-3810d40debc1"
+
+[ba53e423-7e02-41ee-9ae2-71f91e6d18e6]
+description = "words are not anagrams of themselves even if letter case is completely different"
+reimplements = "85757361-4535-45fd-ac0e-3810d40debc1"
+
+[a0705568-628c-4b55-9798-82e4acde51ca]
+description = "words other than themselves can be anagrams"
+include = false
+
+[33d3f67e-fbb9-49d3-a90e-0beb00861da7]
+description = "words other than themselves can be anagrams"
+reimplements = "a0705568-628c-4b55-9798-82e4acde51ca"

exercises/practice/anagram/tests/anagram.rs

@@ -1,186 +1,168 @@
+use anagram::*;
 use std::collections::HashSet;
 
-fn process_anagram_case(word: &str, inputs: &[&str], expected: &[&str]) {
-    let result = anagram::anagrams_for(word, inputs);
-
-    let expected: HashSet<&str> = expected.iter().cloned().collect();
-
-    assert_eq!(result, expected);
-}
-
 #[test]
 fn no_matches() {
     let word = "diaper";
-
-    let inputs = ["hello", "world", "zombies", "pants"];
-
-    let outputs = vec![];
-
-    process_anagram_case(word, &inputs, &outputs);
+    let inputs = &["hello", "world", "zombies", "pants"];
+    let output = anagrams_for(word, inputs);
+    let expected = HashSet::from_iter([]);
+    assert_eq!(output, expected);
 }
 
 #[test]
 #[ignore]
-fn detect_simple_anagram() {
-    let word = "ant";
-
-    let inputs = ["tan", "stand", "at"];
-
-    let outputs = vec!["tan"];
-
-    process_anagram_case(word, &inputs, &outputs);
+fn detects_two_anagrams() {
+    let word = "solemn";
+    let inputs = &["lemons", "cherry", "melons"];
+    let output = anagrams_for(word, inputs);
+    let expected = HashSet::from_iter(["lemons", "melons"]);
+    assert_eq!(output, expected);
 }
 
 #[test]
 #[ignore]
-fn does_not_confuse_different_duplicates() {
-    let word = "galea";
-
-    let inputs = ["eagle"];
-
-    let outputs = vec![];
-
-    process_anagram_case(word, &inputs, &outputs);
-}
-
-#[test]
-#[ignore]
-fn eliminate_anagram_subsets() {
+fn does_not_detect_anagram_subsets() {
     let word = "good";
-
-    let inputs = ["dog", "goody"];
-
-    let outputs = vec![];
-
-    process_anagram_case(word, &inputs, &outputs);
+    let inputs = &["dog", "goody"];
+    let output = anagrams_for(word, inputs);
+    let expected = HashSet::from_iter([]);
+    assert_eq!(output, expected);
 }
 
 #[test]
 #[ignore]
-fn detect_anagram() {
+fn detects_anagram() {
     let word = "listen";
-
-    let inputs = ["enlists", "google", "inlets", "banana"];
-
-    let outputs = vec!["inlets"];
-
-    process_anagram_case(word, &inputs, &outputs);
+    let inputs = &["enlists", "google", "inlets", "banana"];
+    let output = anagrams_for(word, inputs);
+    let expected = HashSet::from_iter(["inlets"]);
+    assert_eq!(output, expected);
 }
 
 #[test]
 #[ignore]
-fn multiple_anagrams() {
+fn detects_three_anagrams() {
     let word = "allergy";
-
-    let inputs = [
+    let inputs = &[
         "gallery",
         "ballerina",
         "regally",
         "clergy",
         "largely",
         "leading",
     ];
+    let output = anagrams_for(word, inputs);
+    let expected = HashSet::from_iter(["gallery", "regally", "largely"]);
+    assert_eq!(output, expected);
+}
 
-    let outputs = vec!["gallery", "regally", "largely"];
+#[test]
+#[ignore]
+fn detects_multiple_anagrams_with_different_case() {
+    let word = "nose";
+    let inputs = &["Eons", "ONES"];
+    let output = anagrams_for(word, inputs);
+    let expected = HashSet::from_iter(["Eons", "ONES"]);
+    assert_eq!(output, expected);
+}
 
-    process_anagram_case(word, &inputs, &outputs);
+#[test]
+#[ignore]
+fn does_not_detect_non_anagrams_with_identical_checksum() {
+    let word = "mass";
+    let inputs = &["last"];
+    let output = anagrams_for(word, inputs);
+    let expected = HashSet::from_iter([]);
+    assert_eq!(output, expected);
 }
 
 #[test]
 #[ignore]
-fn case_insensitive_anagrams() {
+fn detects_anagrams_case_insensitively() {
     let word = "Orchestra";
-
-    let inputs = ["cashregister", "Carthorse", "radishes"];
-
-    let outputs = vec!["Carthorse"];
-
-    process_anagram_case(word, &inputs, &outputs);
+    let inputs = &["cashregister", "Carthorse", "radishes"];
+    let output = anagrams_for(word, inputs);
+    let expected = HashSet::from_iter(["Carthorse"]);
+    assert_eq!(output, expected);
 }
 
 #[test]
 #[ignore]
-fn unicode_anagrams() {
-    let word = "ΑΒΓ";
-
-    // These words don't make sense, they're just greek letters cobbled together.
-    let inputs = ["ΒΓΑ", "ΒΓΔ", "γβα"];
-
-    let outputs = vec!["ΒΓΑ", "γβα"];
-
-    process_anagram_case(word, &inputs, &outputs);
+fn detects_anagrams_using_case_insensitive_subject() {
+    let word = "Orchestra";
+    let inputs = &["cashregister", "carthorse", "radishes"];
+    let output = anagrams_for(word, inputs);
+    let expected = HashSet::from_iter(["carthorse"]);
+    assert_eq!(output, expected);
 }
 
 #[test]
 #[ignore]
-fn misleading_unicode_anagrams() {
-    // Despite what a human might think these words contain different letters, the input uses Greek
-    // A and B while the list of potential anagrams uses Latin A and B.
-    let word = "ΑΒΓ";
-
-    let inputs = ["ABΓ"];
-
-    let outputs = vec![];
-
-    process_anagram_case(word, &inputs, &outputs);
+fn detects_anagrams_using_case_insensitive_possible_matches() {
+    let word = "orchestra";
+    let inputs = &["cashregister", "Carthorse", "radishes"];
+    let output = anagrams_for(word, inputs);
+    let expected = HashSet::from_iter(["Carthorse"]);
+    assert_eq!(output, expected);
 }
 
 #[test]
 #[ignore]
-fn does_not_detect_a_word_as_its_own_anagram() {
-    let word = "banana";
-
-    let inputs = ["banana"];
-
-    let outputs = vec![];
-
-    process_anagram_case(word, &inputs, &outputs);
+fn does_not_detect_an_anagram_if_the_original_word_is_repeated() {
+    let word = "go";
+    let inputs = &["goGoGO"];
+    let output = anagrams_for(word, inputs);
+    let expected = HashSet::from_iter([]);
+    assert_eq!(output, expected);
 }
 
 #[test]
 #[ignore]
-fn does_not_detect_a_differently_cased_word_as_its_own_anagram() {
-    let word = "banana";
-
-    let inputs = ["bAnana"];
-
-    let outputs = vec![];
-
-    process_anagram_case(word, &inputs, &outputs);
+fn anagrams_must_use_all_letters_exactly_once() {
+    let word = "tapper";
+    let inputs = &["patter"];
+    let output = anagrams_for(word, inputs);
+    let expected = HashSet::from_iter([]);
+    assert_eq!(output, expected);
 }
 
 #[test]
 #[ignore]
-fn does_not_detect_a_differently_cased_unicode_word_as_its_own_anagram() {
-    let word = "ΑΒΓ";
-
-    let inputs = ["ΑΒγ"];
-
-    let outputs = vec![];
-
-    process_anagram_case(word, &inputs, &outputs);
+fn words_are_not_anagrams_of_themselves() {
+    let word = "BANANA";
+    let inputs = &["BANANA"];
+    let output = anagrams_for(word, inputs);
+    let expected = HashSet::from_iter([]);
+    assert_eq!(output, expected);
 }
 
 #[test]
 #[ignore]
-fn same_bytes_different_chars() {
-    let word = "a⬂"; // 61 E2 AC 82
-
-    let inputs = ["€a"]; // E2 82 AC 61
-
-    let outputs = vec![];
-
-    process_anagram_case(word, &inputs, &outputs);
+fn words_are_not_anagrams_of_themselves_even_if_letter_case_is_partially_different() {
+    let word = "BANANA";
+    let inputs = &["Banana"];
+    let output = anagrams_for(word, inputs);
+    let expected = HashSet::from_iter([]);
+    assert_eq!(output, expected);
 }
 
 #[test]
 #[ignore]
-fn different_words_but_same_ascii_sum() {
-    let word = "bc";
-
-    let inputs = ["ad"];
-
-    let outputs = vec![];
+fn words_are_not_anagrams_of_themselves_even_if_letter_case_is_completely_different() {
+    let word = "BANANA";
+    let inputs = &["banana"];
+    let output = anagrams_for(word, inputs);
+    let expected = HashSet::from_iter([]);
+    assert_eq!(output, expected);
+}
 
-    process_anagram_case(word, &inputs, &outputs);
+#[test]
+#[ignore]
+fn words_other_than_themselves_can_be_anagrams() {
+    let word = "LISTEN";
+    let inputs = &["LISTEN", "Silent"];
+    let output = anagrams_for(word, inputs);
+    let expected = HashSet::from_iter(["Silent"]);
+    assert_eq!(output, expected);
 }