beer-song: replace with bottle-song

config.json

@@ -324,16 +324,23 @@
         "slug": "beer-song",
         "name": "Beer Song",
         "uuid": "bb42bc3a-139d-4cab-8b3a-2eac2e1b77b6",
-        "practices": [
-          "loops",
-          "strings"
-        ],
+        "practices": [],
         "prerequisites": [],
         "difficulty": 1,
         "topics": [
           "case",
           "vectors"
-        ]
+        ],
+        "status": "deprecated"
+      },
+      {
+        "slug": "bottle-song",
+        "name": "Bottle Song",
+        "uuid": "31e8185b-39d8-48c6-88a0-f302e2864f16",
+        "practices": [],
+        "prerequisites": [],
+        "difficulty": 1,
+        "topics": []
       },
       {
         "slug": "difference-of-squares",

exercises/practice/bottle-song/.docs/instructions.md

@@ -0,0 +1,57 @@
+# Instructions
+
+Recite the lyrics to that popular children's repetitive song: Ten Green Bottles.
+
+Note that not all verses are identical.
+
+```text
+Ten green bottles hanging on the wall,
+Ten green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be nine green bottles hanging on the wall.
+
+Nine green bottles hanging on the wall,
+Nine green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be eight green bottles hanging on the wall.
+
+Eight green bottles hanging on the wall,
+Eight green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be seven green bottles hanging on the wall.
+
+Seven green bottles hanging on the wall,
+Seven green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be six green bottles hanging on the wall.
+
+Six green bottles hanging on the wall,
+Six green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be five green bottles hanging on the wall.
+
+Five green bottles hanging on the wall,
+Five green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be four green bottles hanging on the wall.
+
+Four green bottles hanging on the wall,
+Four green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be three green bottles hanging on the wall.
+
+Three green bottles hanging on the wall,
+Three green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be two green bottles hanging on the wall.
+
+Two green bottles hanging on the wall,
+Two green bottles hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be one green bottle hanging on the wall.
+
+One green bottle hanging on the wall,
+One green bottle hanging on the wall,
+And if one green bottle should accidentally fall,
+There'll be no green bottles hanging on the wall.
+```

exercises/practice/bottle-song/.gitignore

@@ -0,0 +1,2 @@
+/target
+Cargo.lock

exercises/practice/bottle-song/.meta/config.json

@@ -0,0 +1,20 @@
+{
+  "authors": [
+    "ellnix"
+  ],
+  "files": {
+    "solution": [
+      "src/lib.rs",
+      "Cargo.toml"
+    ],
+    "test": [
+      "tests/bottle-song.rs"
+    ],
+    "example": [
+      ".meta/example.rs"
+    ]
+  },
+  "blurb": "Produce the lyrics to the popular children's repetitive song: Ten Green Bottles.",
+  "source": "Wikipedia",
+  "source_url": "https://en.wikipedia.org/wiki/Ten_Green_Bottles"
+}

exercises/practice/bottle-song/.meta/example.rs

@@ -0,0 +1,39 @@
+pub fn recite(start_bottles: u32, take_down: u32) -> String {
+    (1..=take_down)
+        .map(|taken_down| {
+            let b = start_bottles - taken_down;
+            let b_word = number_to_eng_word(b).to_lowercase();
+            let b_noun = if b == 1 { "bottle" } else { "bottles" };
+            let prev_b = b + 1;
+            let prev_b_word = number_to_eng_word(prev_b);
+            let prev_b_noun = if prev_b == 1 { "bottle" } else { "bottles" };
+            [
+                format!("{prev_b_word} green {prev_b_noun} hanging on the wall"),
+                format!("{prev_b_word} green {prev_b_noun} hanging on the wall"),
+                "And if one green bottle should accidentally fall".into(),
+                format!("There'll be {b_word} green {b_noun} hanging on the wall."),
+            ]
+            .join(",\n")
+        })
+        .collect::<Vec<String>>()
+        .join("\n\n")
+        + "\n"
+}
+
+fn number_to_eng_word(digit: u32) -> String {
+    match digit {
+        0 => "No",
+        1 => "One",
+        2 => "Two",
+        3 => "Three",
+        4 => "Four",
+        5 => "Five",
+        6 => "Six",
+        7 => "Seven",
+        8 => "Eight",
+        9 => "Nine",
+        10 => "Ten",
+        _ => panic!("Didn't bother adding numbers past 10..."),
+    }
+    .to_string()
+}

exercises/practice/bottle-song/.meta/test_template.tera

@@ -0,0 +1,21 @@
+use bottle_song::*;
+
+{% for group in cases %}
+{% for subgroup in group.cases %}
+{% for test in subgroup.cases %}
+
+#[test]
+#[ignore]
+fn {{ test.description | make_ident }}() {
+    assert_eq!(
+        recite({{ test.input.startBottles }}, {{ test.input.takeDown }}).trim(),
+        concat!(
+            {% for line in test.expected %}
+            "{{line}}{% if not loop.last %}\n{% endif %}",
+            {% endfor %}
+        )
+    );
+}
+{% endfor -%}
+{% endfor -%}
+{% endfor -%}

exercises/practice/bottle-song/.meta/tests.toml

@@ -0,0 +1,31 @@
+# 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.
+
+[d4ccf8fc-01dc-48c0-a201-4fbeb30f2d03]
+description = "verse -> single verse -> first generic verse"
+
+[0f0aded3-472a-4c64-b842-18d4f1f5f030]
+description = "verse -> single verse -> last generic verse"
+
+[f61f3c97-131f-459e-b40a-7428f3ed99d9]
+description = "verse -> single verse -> verse with 2 bottles"
+
+[05eadba9-5dbd-401e-a7e8-d17cc9baa8e0]
+description = "verse -> single verse -> verse with 1 bottle"
+
+[a4a28170-83d6-4dc1-bd8b-319b6abb6a80]
+description = "lyrics -> multiple verses -> first two verses"
+
+[3185d438-c5ac-4ce6-bcd3-02c9ff1ed8db]
+description = "lyrics -> multiple verses -> last three verses"
+
+[28c1584a-0e51-4b65-9ae2-fbc0bf4bbb28]
+description = "lyrics -> multiple verses -> all verses"

exercises/practice/bottle-song/Cargo.toml

@@ -0,0 +1,4 @@
+[package]
+edition = "2021"
+name = "bottle_song"
+version = "1.0.0"

exercises/practice/bottle-song/src/lib.rs

@@ -0,0 +1,3 @@
+pub fn recite(start_bottles: u32, take_down: u32) -> String {
+    todo!("Return the bottle song starting at {start_bottles} and taking down {take_down} bottles")
+}

exercises/practice/bottle-song/tests/bottle-song.rs

@@ -0,0 +1,158 @@
+use bottle_song::*;
+
+#[test]
+fn first_generic_verse() {
+    assert_eq!(
+        recite(10, 1).trim(),
+        concat!(
+            "Ten green bottles hanging on the wall,\n",
+            "Ten green bottles hanging on the wall,\n",
+            "And if one green bottle should accidentally fall,\n",
+            "There'll be nine green bottles hanging on the wall.",
+        )
+    );
+}
+
+#[test]
+#[ignore]
+fn last_generic_verse() {
+    assert_eq!(
+        recite(3, 1).trim(),
+        concat!(
+            "Three green bottles hanging on the wall,\n",
+            "Three green bottles hanging on the wall,\n",
+            "And if one green bottle should accidentally fall,\n",
+            "There'll be two green bottles hanging on the wall.",
+        )
+    );
+}
+
+#[test]
+#[ignore]
+fn verse_with_2_bottles() {
+    assert_eq!(
+        recite(2, 1).trim(),
+        concat!(
+            "Two green bottles hanging on the wall,\n",
+            "Two green bottles hanging on the wall,\n",
+            "And if one green bottle should accidentally fall,\n",
+            "There'll be one green bottle hanging on the wall.",
+        )
+    );
+}
+
+#[test]
+#[ignore]
+fn verse_with_1_bottle() {
+    assert_eq!(
+        recite(1, 1).trim(),
+        concat!(
+            "One green bottle hanging on the wall,\n",
+            "One green bottle hanging on the wall,\n",
+            "And if one green bottle should accidentally fall,\n",
+            "There'll be no green bottles hanging on the wall.",
+        )
+    );
+}
+
+#[test]
+#[ignore]
+fn first_two_verses() {
+    assert_eq!(
+        recite(10, 2).trim(),
+        concat!(
+            "Ten green bottles hanging on the wall,\n",
+            "Ten green bottles hanging on the wall,\n",
+            "And if one green bottle should accidentally fall,\n",
+            "There'll be nine green bottles hanging on the wall.\n",
+            "\n",
+            "Nine green bottles hanging on the wall,\n",
+            "Nine green bottles hanging on the wall,\n",
+            "And if one green bottle should accidentally fall,\n",
+            "There'll be eight green bottles hanging on the wall.",
+        )
+    );
+}
+
+#[test]
+#[ignore]
+fn last_three_verses() {
+    assert_eq!(
+        recite(3, 3).trim(),
+        concat!(
+            "Three green bottles hanging on the wall,\n",
+            "Three green bottles hanging on the wall,\n",
+            "And if one green bottle should accidentally fall,\n",
+            "There'll be two green bottles hanging on the wall.\n",
+            "\n",
+            "Two green bottles hanging on the wall,\n",
+            "Two green bottles hanging on the wall,\n",
+            "And if one green bottle should accidentally fall,\n",
+            "There'll be one green bottle hanging on the wall.\n",
+            "\n",
+            "One green bottle hanging on the wall,\n",
+            "One green bottle hanging on the wall,\n",
+            "And if one green bottle should accidentally fall,\n",
+            "There'll be no green bottles hanging on the wall.",
+        )
+    );
+}
+
+#[test]
+#[ignore]
+fn all_verses() {
+    assert_eq!(
+        recite(10, 10).trim(),
+        concat!(
+            "Ten green bottles hanging on the wall,\n",
+            "Ten green bottles hanging on the wall,\n",
+            "And if one green bottle should accidentally fall,\n",
+            "There'll be nine green bottles hanging on the wall.\n",
+            "\n",
+            "Nine green bottles hanging on the wall,\n",
+            "Nine green bottles hanging on the wall,\n",
+            "And if one green bottle should accidentally fall,\n",
+            "There'll be eight green bottles hanging on the wall.\n",
+            "\n",
+            "Eight green bottles hanging on the wall,\n",
+            "Eight green bottles hanging on the wall,\n",
+            "And if one green bottle should accidentally fall,\n",
+            "There'll be seven green bottles hanging on the wall.\n",
+            "\n",
+            "Seven green bottles hanging on the wall,\n",
+            "Seven green bottles hanging on the wall,\n",
+            "And if one green bottle should accidentally fall,\n",
+            "There'll be six green bottles hanging on the wall.\n",
+            "\n",
+            "Six green bottles hanging on the wall,\n",
+            "Six green bottles hanging on the wall,\n",
+            "And if one green bottle should accidentally fall,\n",
+            "There'll be five green bottles hanging on the wall.\n",
+            "\n",
+            "Five green bottles hanging on the wall,\n",
+            "Five green bottles hanging on the wall,\n",
+            "And if one green bottle should accidentally fall,\n",
+            "There'll be four green bottles hanging on the wall.\n",
+            "\n",
+            "Four green bottles hanging on the wall,\n",
+            "Four green bottles hanging on the wall,\n",
+            "And if one green bottle should accidentally fall,\n",
+            "There'll be three green bottles hanging on the wall.\n",
+            "\n",
+            "Three green bottles hanging on the wall,\n",
+            "Three green bottles hanging on the wall,\n",
+            "And if one green bottle should accidentally fall,\n",
+            "There'll be two green bottles hanging on the wall.\n",
+            "\n",
+            "Two green bottles hanging on the wall,\n",
+            "Two green bottles hanging on the wall,\n",
+            "And if one green bottle should accidentally fall,\n",
+            "There'll be one green bottle hanging on the wall.\n",
+            "\n",
+            "One green bottle hanging on the wall,\n",
+            "One green bottle hanging on the wall,\n",
+            "And if one green bottle should accidentally fall,\n",
+            "There'll be no green bottles hanging on the wall.",
+        )
+    );
+}