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Mar 27, 2017
Merged

Add food-chain generator #267

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4 changes: 2 additions & 2 deletions exercises/food-chain/Example.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -36,10 +36,10 @@ public static class FoodChain
"I don't know why she swallowed the fly. Perhaps she'll die."
};

public static string Song() => string.Join("\n\n", Enumerable.Range(1, Verses).Select(Verse));

public static string Verse(int number) => $"{VerseBegin(number)}\n{VerseEnd(number)}";

public static string Verse(int begin, int end) => string.Join("\n\n", Enumerable.Range(begin, end - begin + 1).Select(i => Verse(i)));

private static string VerseBegin(int number)
{
if (number == 1)
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4 changes: 2 additions & 2 deletions exercises/food-chain/FoodChain.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,12 +2,12 @@

public static class FoodChain
{
public static string Song()
public static string Verse(int number)
{
throw new NotImplementedException("You need to implement this function.");
}

public static string Verse(int number)
public static string Verse(int begin, int end)
{
throw new NotImplementedException("You need to implement this function.");
}
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223 changes: 150 additions & 73 deletions exercises/food-chain/FoodChainTest.cs
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Original file line number Diff line number Diff line change
@@ -1,103 +1,180 @@
using Xunit;
using Xunit;

public class FoodChainTest
{
[Fact]
public void Verse_one()
public void Fly()
{
const string expected = "I know an old lady who swallowed a fly.\n" +
"I don't know why she swallowed the fly. Perhaps she'll die.";

var expected =
"I know an old lady who swallowed a fly.\n"+
"I don't know why she swallowed the fly. Perhaps she'll die.";
Assert.Equal(expected, FoodChain.Verse(1));
}

[Fact(Skip = "Remove to run test")]
public void Verse_two()
public void Spider()
{
const string expected = "I know an old lady who swallowed a spider.\n" +
"It wriggled and jiggled and tickled inside her.\n" +
"She swallowed the spider to catch the fly.\n" +
"I don't know why she swallowed the fly. Perhaps she'll die.";

var expected =
"I know an old lady who swallowed a spider.\n"+
"It wriggled and jiggled and tickled inside her.\n"+
"She swallowed the spider to catch the fly.\n"+
"I don't know why she swallowed the fly. Perhaps she'll die.";
Assert.Equal(expected, FoodChain.Verse(2));
}

[Fact(Skip = "Remove to run test")]
public void Verse_four()
public void Bird()
{
const string expected = "I know an old lady who swallowed a cat.\n" +
"Imagine that, to swallow a cat!\n" +
"She swallowed the cat to catch the bird.\n" +
"She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.\n" +
"She swallowed the spider to catch the fly.\n" +
"I don't know why she swallowed the fly. Perhaps she'll die.";
var expected =
"I know an old lady who swallowed a bird.\n"+
"How absurd to swallow a bird!\n"+
"She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.\n"+
"She swallowed the spider to catch the fly.\n"+
"I don't know why she swallowed the fly. Perhaps she'll die.";
Assert.Equal(expected, FoodChain.Verse(3));
}

[Fact(Skip = "Remove to run test")]
public void Cat()
{
var expected =
"I know an old lady who swallowed a cat.\n"+
"Imagine that, to swallow a cat!\n"+
"She swallowed the cat to catch the bird.\n"+
"She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.\n"+
"She swallowed the spider to catch the fly.\n"+
"I don't know why she swallowed the fly. Perhaps she'll die.";
Assert.Equal(expected, FoodChain.Verse(4));
}

[Fact(Skip = "Remove to run test")]
public void Verse_eight()
public void Dog()
{
const string expected = "I know an old lady who swallowed a horse.\n" +
"She's dead, of course!";
var expected =
"I know an old lady who swallowed a dog.\n"+
"What a hog, to swallow a dog!\n"+
"She swallowed the dog to catch the cat.\n"+
"She swallowed the cat to catch the bird.\n"+
"She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.\n"+
"She swallowed the spider to catch the fly.\n"+
"I don't know why she swallowed the fly. Perhaps she'll die.";
Assert.Equal(expected, FoodChain.Verse(5));
}

[Fact(Skip = "Remove to run test")]
public void Goat()
{
var expected =
"I know an old lady who swallowed a goat.\n"+
"Just opened her throat and swallowed a goat!\n"+
"She swallowed the goat to catch the dog.\n"+
"She swallowed the dog to catch the cat.\n"+
"She swallowed the cat to catch the bird.\n"+
"She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.\n"+
"She swallowed the spider to catch the fly.\n"+
"I don't know why she swallowed the fly. Perhaps she'll die.";
Assert.Equal(expected, FoodChain.Verse(6));
}

[Fact(Skip = "Remove to run test")]
public void Cow()
{
var expected =
"I know an old lady who swallowed a cow.\n"+
"I don't know how she swallowed a cow!\n"+
"She swallowed the cow to catch the goat.\n"+
"She swallowed the goat to catch the dog.\n"+
"She swallowed the dog to catch the cat.\n"+
"She swallowed the cat to catch the bird.\n"+
"She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.\n"+
"She swallowed the spider to catch the fly.\n"+
"I don't know why she swallowed the fly. Perhaps she'll die.";
Assert.Equal(expected, FoodChain.Verse(7));
}

[Fact(Skip = "Remove to run test")]
public void Horse()
{
var expected =
"I know an old lady who swallowed a horse.\n"+
"She's dead, of course!";
Assert.Equal(expected, FoodChain.Verse(8));
}

[Fact(Skip = "Remove to run test")]
public void Complete_song()
public void Multiple_verses()
{
const string expected = "I know an old lady who swallowed a fly.\n" +
"I don't know why she swallowed the fly. Perhaps she'll die.\n" +
"\n" +
"I know an old lady who swallowed a spider.\n" +
"It wriggled and jiggled and tickled inside her.\n" +
"She swallowed the spider to catch the fly.\n" +
"I don't know why she swallowed the fly. Perhaps she'll die.\n" +
"\n" +
"I know an old lady who swallowed a bird.\n" +
"How absurd to swallow a bird!\n" +
"She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.\n" +
"She swallowed the spider to catch the fly.\n" +
"I don't know why she swallowed the fly. Perhaps she'll die.\n" +
"\n" +
"I know an old lady who swallowed a cat.\n" +
"Imagine that, to swallow a cat!\n" +
"She swallowed the cat to catch the bird.\n" +
"She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.\n" +
"She swallowed the spider to catch the fly.\n" +
"I don't know why she swallowed the fly. Perhaps she'll die.\n" +
"\n" +
"I know an old lady who swallowed a dog.\n" +
"What a hog, to swallow a dog!\n" +
"She swallowed the dog to catch the cat.\n" +
"She swallowed the cat to catch the bird.\n" +
"She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.\n" +
"She swallowed the spider to catch the fly.\n" +
"I don't know why she swallowed the fly. Perhaps she'll die.\n" +
"\n" +
"I know an old lady who swallowed a goat.\n" +
"Just opened her throat and swallowed a goat!\n" +
"She swallowed the goat to catch the dog.\n" +
"She swallowed the dog to catch the cat.\n" +
"She swallowed the cat to catch the bird.\n" +
"She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.\n" +
"She swallowed the spider to catch the fly.\n" +
"I don't know why she swallowed the fly. Perhaps she'll die.\n" +
"\n" +
"I know an old lady who swallowed a cow.\n" +
"I don't know how she swallowed a cow!\n" +
"She swallowed the cow to catch the goat.\n" +
"She swallowed the goat to catch the dog.\n" +
"She swallowed the dog to catch the cat.\n" +
"She swallowed the cat to catch the bird.\n" +
"She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.\n" +
"She swallowed the spider to catch the fly.\n" +
"I don't know why she swallowed the fly. Perhaps she'll die.\n" +
"\n" +
"I know an old lady who swallowed a horse.\n" +
"She's dead, of course!";
var expected =
"I know an old lady who swallowed a fly.\n"+
"I don't know why she swallowed the fly. Perhaps she'll die.\n"+
"\n"+
"I know an old lady who swallowed a spider.\n"+
"It wriggled and jiggled and tickled inside her.\n"+
"She swallowed the spider to catch the fly.\n"+
"I don't know why she swallowed the fly. Perhaps she'll die.\n"+
"\n"+
"I know an old lady who swallowed a bird.\n"+
"How absurd to swallow a bird!\n"+
"She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.\n"+
"She swallowed the spider to catch the fly.\n"+
"I don't know why she swallowed the fly. Perhaps she'll die.";
Assert.Equal(expected, FoodChain.Verse(1, 3));
}

Assert.Equal(expected, FoodChain.Song());
[Fact(Skip = "Remove to run test")]
public void Full_song()
{
var expected =
"I know an old lady who swallowed a fly.\n"+
"I don't know why she swallowed the fly. Perhaps she'll die.\n"+
"\n"+
"I know an old lady who swallowed a spider.\n"+
"It wriggled and jiggled and tickled inside her.\n"+
"She swallowed the spider to catch the fly.\n"+
"I don't know why she swallowed the fly. Perhaps she'll die.\n"+
"\n"+
"I know an old lady who swallowed a bird.\n"+
"How absurd to swallow a bird!\n"+
"She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.\n"+
"She swallowed the spider to catch the fly.\n"+
"I don't know why she swallowed the fly. Perhaps she'll die.\n"+
"\n"+
"I know an old lady who swallowed a cat.\n"+
"Imagine that, to swallow a cat!\n"+
"She swallowed the cat to catch the bird.\n"+
"She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.\n"+
"She swallowed the spider to catch the fly.\n"+
"I don't know why she swallowed the fly. Perhaps she'll die.\n"+
"\n"+
"I know an old lady who swallowed a dog.\n"+
"What a hog, to swallow a dog!\n"+
"She swallowed the dog to catch the cat.\n"+
"She swallowed the cat to catch the bird.\n"+
"She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.\n"+
"She swallowed the spider to catch the fly.\n"+
"I don't know why she swallowed the fly. Perhaps she'll die.\n"+
"\n"+
"I know an old lady who swallowed a goat.\n"+
"Just opened her throat and swallowed a goat!\n"+
"She swallowed the goat to catch the dog.\n"+
"She swallowed the dog to catch the cat.\n"+
"She swallowed the cat to catch the bird.\n"+
"She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.\n"+
"She swallowed the spider to catch the fly.\n"+
"I don't know why she swallowed the fly. Perhaps she'll die.\n"+
"\n"+
"I know an old lady who swallowed a cow.\n"+
"I don't know how she swallowed a cow!\n"+
"She swallowed the cow to catch the goat.\n"+
"She swallowed the goat to catch the dog.\n"+
"She swallowed the dog to catch the cat.\n"+
"She swallowed the cat to catch the bird.\n"+
"She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.\n"+
"She swallowed the spider to catch the fly.\n"+
"I don't know why she swallowed the fly. Perhaps she'll die.\n"+
"\n"+
"I know an old lady who swallowed a horse.\n"+
"She's dead, of course!";
Assert.Equal(expected, FoodChain.Verse(1, 8));
}
}
13 changes: 5 additions & 8 deletions exercises/luhn/LuhnTest.cs
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Expand Up @@ -14,32 +14,30 @@ public void A_single_zero_is_invalid()
Assert.False(Luhn.IsValid("0"));
}


[Fact(Skip = "Remove to run test")]
public void A_simple_valid_SIN_that_remains_valid_if_reversed()
public void A_simple_valid_sin_that_remains_valid_if_reversed()
{
Assert.True(Luhn.IsValid("059"));
}

[Fact(Skip = "Remove to run test")]
public void A_simple_valid_SIN_that_becomes_invalid_if_reversed()
public void A_simple_valid_sin_that_becomes_invalid_if_reversed()
{
Assert.True(Luhn.IsValid("59"));
}

[Fact(Skip = "Remove to run test")]
public void A_valid_Canadian_SIN()
public void A_valid_canadian_sin()
{
Assert.True(Luhn.IsValid("055 444 285"));
}

[Fact(Skip = "Remove to run test")]
public void Invalid_Canadian_SIN()
public void Invalid_canadian_sin()
{
Assert.False(Luhn.IsValid("055 444 286"));
}


[Fact(Skip = "Remove to run test")]
public void Invalid_credit_card()
{
Expand Down Expand Up @@ -81,5 +79,4 @@ public void Input_digit_9_is_correctly_converted_to_output_digit_9()
{
Assert.True(Luhn.IsValid("091"));
}

}
}
10 changes: 10 additions & 0 deletions generators/Data/CanonicalDataValue.cs
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@@ -0,0 +1,10 @@
using Newtonsoft.Json.Linq;

namespace Generators.Data
{
public static class CanonicalDataValue
{
public static string StringArrayToString(object expected)
=> string.Join("\\n\"+\n\"", ((JArray) expected).Values<string>());
}
}
27 changes: 27 additions & 0 deletions generators/Exercises/FoodChainExercise.cs
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@@ -0,0 +1,27 @@
using Generators.Data;
using Generators.Methods;

namespace Generators.Exercises
{
public class FoodChainExercise : EqualityExercise
{
public FoodChainExercise() : base("food-chain")
{
}

protected override TestMethodData CreateTestMethodData(CanonicalData canonicalData, CanonicalDataCase canonicalDataCase, int index)
{
var testMethodData = base.CreateTestMethodData(canonicalData, canonicalDataCase, index);

testMethodData.Options.UseVariableForExpected = true;
testMethodData.CanonicalDataCase.Expected = CanonicalDataValue.StringArrayToString(canonicalDataCase.Expected);

if (testMethodData.CanonicalDataCase.Data.ContainsKey("end verse"))
testMethodData.CanonicalDataCase.Input = new[] { testMethodData.CanonicalDataCase.Data["start verse"], testMethodData.CanonicalDataCase.Data["end verse"] };
else
testMethodData.Options.InputProperty = "start verse";

return testMethodData;
}
}
}
4 changes: 1 addition & 3 deletions generators/Exercises/NthPrimeExercise.cs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,5 @@
using System;
using Generators.Data;
using Generators.Methods;
using Humanizer;

namespace Generators.Exercises
{
Expand All @@ -13,7 +11,7 @@ public NthPrimeExercise() : base("nth-prime")

protected override TestMethod CreateTestMethod(TestMethodData testMethodData)
{
if (testMethodData.CanonicalDataCase.Expected is bool b)
if (testMethodData.CanonicalDataCase.Expected is bool b && !b)
{
testMethodData.Options.ExceptionType = typeof(ArgumentOutOfRangeException);
return CreateExceptionTestMethod(testMethodData);
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