Add bottle-song

config.json

@@ -242,6 +242,14 @@
         "prerequisites": [],
         "difficulty": 3
       },
+      {
+        "slug": "bottle-song",
+        "name": "Bottle Song",
+        "uuid": "b1d58dbf-127f-4997-a1d8-09d0c5a16c8f",
+        "practices": [],
+        "prerequisites": [],
+        "difficulty": 3
+      },
       {
         "slug": "clock",
         "name": "Clock",

docs/ABOUT.md

@@ -21,4 +21,4 @@ For those familiar with Lua, the transition is often smooth, as MoonScript's syn
 [lua]: https://exercism.org/tracks/lua/about
 [moon]: https://moonscript.org
 [github]: https://github.com/leafo/moonscript
-[discord]: https://discord.gg/invite/Y75ZXrD
+[discord]: https://discord.com/invite/Y75ZXrD

exercises/practice/bottle-song/.busted

@@ -0,0 +1,5 @@
+return {
+  default = {
+    ROOT = { '.' }
+  }
+}

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/.meta/config.json

@@ -0,0 +1,19 @@
+{
+  "authors": [
+    "glennj"
+  ],
+  "files": {
+    "solution": [
+      "bottle_song.moon"
+    ],
+    "test": [
+      "bottle_song_spec.moon"
+    ],
+    "example": [
+      ".meta/example.moon"
+    ]
+  },
+  "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.moon

@@ -0,0 +1,17 @@
+nums = {[0]: "No", "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine", "Ten"}
+
+bottles = (n) -> "#{nums[n]} green bottle#{n == 1 and "" or "s"}"
+
+verse = (v) ->
+  lines = {
+    "#{bottles v} hanging on the wall,"
+    "And if one green bottle should accidentally fall,"
+    "There'll be #{string.lower bottles v - 1} hanging on the wall."
+  }
+  table.insert lines, 1, lines[1]
+  table.concat lines, '\n'
+
+{
+  recite: (first, count) ->
+    table.concat [verse(v) for v = first, first - count + 1, -1], '\n\n'
+}

exercises/practice/bottle-song/.meta/generator.tmpl

@@ -0,0 +1,18 @@
+import recite from require <%- h.quote(slug.snake) %>
+
+describe <%- h.quote(slug.kebab .. ':') %>, ->
+<% for i, g1 in ipairs(data.cases) do -%>
+<%   for j, g2 in ipairs(g1.cases) do -%>
+  describe <%- h.quote(g2.description) %>, ->
+<%     for k, case in ipairs(g2.cases) do -%>
+    <%= test_cmd(i == 1 and j == 1 and k == 1) %> <%- h.quote(case.description) %>, ->
+<%       if not case.expected.error then -%>
+      expected = [[
+<%- table.concat(case.expected, '\n') %>]]
+      result = <%= case.property %> <%= case.input.startBottles %>, <%= case.input.takeDown %>
+      assert.are.same expected, result
+<%       end -%>
+
+<%     end -%>
+<%   end -%>
+<% end -%>

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/bottle_song.moon

@@ -0,0 +1,4 @@
+{
+  recite: (startVerse, numToTake) ->
+    error 'Implement me'
+}

exercises/practice/bottle-song/bottle_song_spec.moon

@@ -0,0 +1,128 @@
+import recite from require 'bottle_song'
+
+describe 'bottle-song:', ->
+  describe 'single verse', ->
+    it 'first generic verse', ->
+      expected = [[
+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.]]
+      result = recite 10, 1
+      assert.are.same expected, result
+
+    pending 'last generic verse', ->
+      expected = [[
+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.]]
+      result = recite 3, 1
+      assert.are.same expected, result
+
+    pending 'verse with 2 bottles', ->
+      expected = [[
+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.]]
+      result = recite 2, 1
+      assert.are.same expected, result
+
+    pending 'verse with 1 bottle', ->
+      expected = [[
+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.]]
+      result = recite 1, 1
+      assert.are.same expected, result
+
+  describe 'multiple verses', ->
+    pending 'first two verses', ->
+      expected = [[
+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.]]
+      result = recite 10, 2
+      assert.are.same expected, result
+
+    pending 'last three verses', ->
+      expected = [[
+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.]]
+      result = recite 3, 3
+      assert.are.same expected, result
+
+    pending 'all verses', ->
+      expected = [[
+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.]]
+      result = recite 10, 10
+      assert.are.same expected, result
+