Merge branch 'master' into ChooseCoreExercises

config.json

@@ -443,6 +443,16 @@
       ]
     },
     {
+      "uuid": "6b51aca3-3451-4a64-ad7b-00b151d7548a",
+      "slug": "house",
+      "core": false, 
+      "unlocked_by": null,
+      "difficulty": 6,
+      "topics": [
+
+      ]
+    },
+    {
       "uuid": "dd3e6fd6-5359-4978-acd7-c39374cead4d",
       "slug": "food-chain",
       "core": false,

exercises/house/README.md

@@ -0,0 +1,124 @@
+# House
+
+Output the nursery rhyme 'This is the House that Jack Built'.
+
+> [The] process of placing a phrase of clause within another phrase of
+> clause is called embedding. It is through the processes of recursion
+> and embedding that we are able to take a finite number of forms (words
+> and phrases) and construct an infinite number of expressions.
+> Furthermore, embedding also allows us to construct an infinitely long
+> structure, in theory anyway.
+
+- [papyr.com](http://papyr.com/hypertextbooks/grammar/ph_noun.htm)
+
+
+The nursery rhyme reads as follows:
+
+```plain
+This is the house that Jack built.
+
+This is the malt
+that lay in the house that Jack built.
+
+This is the rat
+that ate the malt
+that lay in the house that Jack built.
+
+This is the cat
+that killed the rat
+that ate the malt
+that lay in the house that Jack built.
+
+This is the dog
+that worried the cat
+that killed the rat
+that ate the malt
+that lay in the house that Jack built.
+
+This is the cow with the crumpled horn
+that tossed the dog
+that worried the cat
+that killed the rat
+that ate the malt
+that lay in the house that Jack built.
+
+This is the maiden all forlorn
+that milked the cow with the crumpled horn
+that tossed the dog
+that worried the cat
+that killed the rat
+that ate the malt
+that lay in the house that Jack built.
+
+This is the man all tattered and torn
+that kissed the maiden all forlorn
+that milked the cow with the crumpled horn
+that tossed the dog
+that worried the cat
+that killed the rat
+that ate the malt
+that lay in the house that Jack built.
+
+This is the priest all shaven and shorn
+that married the man all tattered and torn
+that kissed the maiden all forlorn
+that milked the cow with the crumpled horn
+that tossed the dog
+that worried the cat
+that killed the rat
+that ate the malt
+that lay in the house that Jack built.
+
+This is the rooster that crowed in the morn
+that woke the priest all shaven and shorn
+that married the man all tattered and torn
+that kissed the maiden all forlorn
+that milked the cow with the crumpled horn
+that tossed the dog
+that worried the cat
+that killed the rat
+that ate the malt
+that lay in the house that Jack built.
+
+This is the farmer sowing his corn
+that kept the rooster that crowed in the morn
+that woke the priest all shaven and shorn
+that married the man all tattered and torn
+that kissed the maiden all forlorn
+that milked the cow with the crumpled horn
+that tossed the dog
+that worried the cat
+that killed the rat
+that ate the malt
+that lay in the house that Jack built.
+
+This is the horse and the hound and the horn
+that belonged to the farmer sowing his corn
+that kept the rooster that crowed in the morn
+that woke the priest all shaven and shorn
+that married the man all tattered and torn
+that kissed the maiden all forlorn
+that milked the cow with the crumpled horn
+that tossed the dog
+that worried the cat
+that killed the rat
+that ate the malt
+that lay in the house that Jack built.
+```
+
+
+To run the tests:
+
+```sh
+$ gradle test
+```
+
+For more detailed info about the Java track see the [help page](http://exercism.io/languages/java).
+
+
+## Source
+
+British nursery rhyme [http://en.wikipedia.org/wiki/This_Is_The_House_That_Jack_Built](http://en.wikipedia.org/wiki/This_Is_The_House_That_Jack_Built)
+
+## Submitting Incomplete Solutions
+It's possible to submit an incomplete solution so you can see how others have completed the exercise.

exercises/house/build.gradle

@@ -0,0 +1,18 @@
+apply plugin: "java"
+apply plugin: "eclipse"
+apply plugin: "idea"
+
+repositories {
+  mavenCentral()
+}
+
+dependencies {
+  testCompile "junit:junit:4.12"
+}
+
+test {
+  testLogging {
+    exceptionFormat = 'full'
+    events = ["passed", "failed", "skipped"]
+  }
+}

exercises/house/src/example/java/House.java

@@ -0,0 +1,55 @@
+class House {
+    private static final String[] CHARACTERS = {
+            "house that Jack built.",
+            "malt",
+            "rat",
+            "cat",
+            "dog",
+            "cow with the crumpled horn",
+            "maiden all forlorn",
+            "man all tattered and torn",
+            "priest all shaven and shorn",
+            "rooster that crowed in the morn",
+            "farmer sowing his corn",
+            "horse and the hound and the horn"
+    };
+
+    private static final String[] ACTIONS = {
+            "lay in",
+            "ate",
+            "killed",
+            "worried",
+            "tossed",
+            "milked",
+            "kissed",
+            "married",
+            "woke",
+            "kept",
+            "belonged to"
+    };
+
+    String verse(int verseNumber) {
+        StringBuilder verse = new StringBuilder();
+        verse.append("This is the " + CHARACTERS[verseNumber - 1]);
+
+        for (int i = verseNumber - 2; i >= 0; i--) {
+            verse.append("\nthat " + ACTIONS[i] + " the " + CHARACTERS[i]);
+        }
+
+        return verse.toString();
+    }
+
+    String verses(int startVerse, int endVerse) {
+        String[] verses = new String[endVerse - startVerse + 1];
+
+        for (int i = startVerse; i <= endVerse; i++) {
+            verses[i - startVerse] = verse(i);
+        }
+
+        return String.join("\n\n", verses);
+    }
+
+    String sing() {
+        return verses(1, 12);
+    }
+}

exercises/house/src/test/java/HouseTest.java

@@ -0,0 +1,341 @@
+import org.junit.Test;
+import org.junit.Ignore;
+import org.junit.Before;
+
+import static org.junit.Assert.assertEquals;
+
+public class HouseTest {
+
+    private House house;
+
+    @Before
+    public void setup() {
+        house = new House();
+    }
+
+    @Test
+    public void verseOne() {
+        String expected = "This is the house that Jack built.";
+        int verse = 1;
+
+        assertEquals(expected, house.verse(verse));
+    }
+
+    @Ignore("Remove to run test")
+    @Test
+    public void verseTwo() {
+        String expected =
+                "This is the malt\n" +
+                "that lay in the house that Jack built.";
+        int verse = 2;
+
+        assertEquals(expected, house.verse(verse));
+    }
+
+    @Ignore("Remove to run test")
+    @Test
+    public void verseThree() {
+        String expected =
+                "This is the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.";
+        int verse = 3;
+
+        assertEquals(expected, house.verse(verse));
+    }
+
+    @Ignore("Remove to run test")
+    @Test
+    public void verseFour() {
+        String expected =
+                "This is the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.";
+        int verse = 4;
+
+        assertEquals(expected, house.verse(verse));
+    }
+
+    @Ignore("Remove to run test")
+    @Test
+    public void verseFive() {
+        String expected =
+                "This is the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.";
+        int verse = 5;
+
+        assertEquals(expected, house.verse(verse));
+    }
+
+    @Ignore("Remove to run test")
+    @Test
+    public void verseSix() {
+        String expected =
+                "This is the cow with the crumpled horn\n" +
+                "that tossed the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.";
+        int verse = 6;
+
+        assertEquals(expected, house.verse(verse));
+    }
+
+    @Ignore("Remove to run test")
+    @Test
+    public void verseSeven() {
+        String expected =
+                "This is the maiden all forlorn\n" +
+                "that milked the cow with the crumpled horn\n" +
+                "that tossed the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.";
+        int verse = 7;
+
+        assertEquals(expected, house.verse(verse));
+    }
+
+    @Ignore("Remove to run test")
+    @Test
+    public void verseEight() {
+        String expected =
+                "This is the man all tattered and torn\n" +
+                "that kissed the maiden all forlorn\n" +
+                "that milked the cow with the crumpled horn\n" +
+                "that tossed the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.";
+        int verse = 8;
+
+        assertEquals(expected, house.verse(verse));
+    }
+
+    @Ignore("Remove to run test")
+    @Test
+    public void verseNine() {
+        String expected =
+                "This is the priest all shaven and shorn\n" +
+                "that married the man all tattered and torn\n" +
+                "that kissed the maiden all forlorn\n" +
+                "that milked the cow with the crumpled horn\n" +
+                "that tossed the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.";
+        int verse = 9;
+
+        assertEquals(expected, house.verse(verse));
+    }
+
+    @Ignore("Remove to run test")
+    @Test
+    public void verse10() {
+        String expected =
+                "This is the rooster that crowed in the morn\n" +
+                "that woke the priest all shaven and shorn\n" +
+                "that married the man all tattered and torn\n" +
+                "that kissed the maiden all forlorn\n" +
+                "that milked the cow with the crumpled horn\n" +
+                "that tossed the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.";
+        int verse = 10;
+
+        assertEquals(expected, house.verse(verse));
+    }
+
+    @Ignore("Remove to run test")
+    @Test
+    public void verse11() {
+        String expected =
+                "This is the farmer sowing his corn\n" +
+                "that kept the rooster that crowed in the morn\n" +
+                "that woke the priest all shaven and shorn\n" +
+                "that married the man all tattered and torn\n" +
+                "that kissed the maiden all forlorn\n" +
+                "that milked the cow with the crumpled horn\n" +
+                "that tossed the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.";
+        int verse = 11;
+
+        assertEquals(expected, house.verse(verse));
+    }
+
+    @Ignore("Remove to run test")
+    @Test
+    public void verse12() {
+        String expected =
+                "This is the horse and the hound and the horn\n" +
+                "that belonged to the farmer sowing his corn\n" +
+                "that kept the rooster that crowed in the morn\n" +
+                "that woke the priest all shaven and shorn\n" +
+                "that married the man all tattered and torn\n" +
+                "that kissed the maiden all forlorn\n" +
+                "that milked the cow with the crumpled horn\n" +
+                "that tossed the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.";
+        int verse = 12;
+
+        assertEquals(expected, house.verse(verse));
+    }
+
+    @Ignore("Remove to run test")
+    @Test
+    public void multipleVerses() {
+        String expected =
+                "This is the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.\n" +
+                "\n" +
+                "This is the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.\n" +
+                "\n" +
+                "This is the cow with the crumpled horn\n" +
+                "that tossed the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.\n" +
+                "\n" +
+                "This is the maiden all forlorn\n" +
+                "that milked the cow with the crumpled horn\n" +
+                "that tossed the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.\n" +
+                "\n" +
+                "This is the man all tattered and torn\n" +
+                "that kissed the maiden all forlorn\n" +
+                "that milked the cow with the crumpled horn\n" +
+                "that tossed the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.";
+
+        int startVerse = 4;
+        int endVerse = 8;
+
+        assertEquals(expected, house.verses(startVerse, endVerse));
+    }
+
+    @Ignore("Remove to run test")
+    @Test
+    public void wholeRhyme() {
+        String expected =
+                "This is the house that Jack built.\n" +
+                "\n" +
+                "This is the malt\n" +
+                "that lay in the house that Jack built.\n" +
+                "\n" +
+                "This is the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.\n" +
+                "\n" +
+                "This is the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.\n" +
+                "\n" +
+                "This is the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.\n" +
+                "\n" +
+                "This is the cow with the crumpled horn\n" +
+                "that tossed the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.\n" +
+                "\n" +
+                "This is the maiden all forlorn\n" +
+                "that milked the cow with the crumpled horn\n" +
+                "that tossed the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.\n" +
+                "\n" +
+                "This is the man all tattered and torn\n" +
+                "that kissed the maiden all forlorn\n" +
+                "that milked the cow with the crumpled horn\n" +
+                "that tossed the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.\n" +
+                "\n" +
+                "This is the priest all shaven and shorn\n" +
+                "that married the man all tattered and torn\n" +
+                "that kissed the maiden all forlorn\n" +
+                "that milked the cow with the crumpled horn\n" +
+                "that tossed the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.\n" +
+                "\n" +
+                "This is the rooster that crowed in the morn\n" +
+                "that woke the priest all shaven and shorn\n" +
+                "that married the man all tattered and torn\n" +
+                "that kissed the maiden all forlorn\n" +
+                "that milked the cow with the crumpled horn\n" +
+                "that tossed the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.\n" +
+                "\n" +
+                "This is the farmer sowing his corn\n" +
+                "that kept the rooster that crowed in the morn\n" +
+                "that woke the priest all shaven and shorn\n" +
+                "that married the man all tattered and torn\n" +
+                "that kissed the maiden all forlorn\n" +
+                "that milked the cow with the crumpled horn\n" +
+                "that tossed the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.\n" +
+                "\n" +
+                "This is the horse and the hound and the horn\n" +
+                "that belonged to the farmer sowing his corn\n" +
+                "that kept the rooster that crowed in the morn\n" +
+                "that woke the priest all shaven and shorn\n" +
+                "that married the man all tattered and torn\n" +
+                "that kissed the maiden all forlorn\n" +
+                "that milked the cow with the crumpled horn\n" +
+                "that tossed the dog\n" +
+                "that worried the cat\n" +
+                "that killed the rat\n" +
+                "that ate the malt\n" +
+                "that lay in the house that Jack built.";
+
+        assertEquals(expected, house.sing());
+    }
+}

exercises/settings.gradle

@@ -31,6 +31,7 @@ include 'grade-school'
 include 'hamming'
 include 'hexadecimal'
 include 'hello-world'
+include 'house'
 include 'isogram'
 include 'kindergarten-garden'
 include 'largest-series-product'