Added Lua Tests (#2229)

* Added Lua Testing

* Added missing extension

* Fixed Baklava in Lua

* Update testinfo.yml

* Update capitalize.lua

* Fixed capitalize

* Update rot-13.lua

* Update bubble-sort.lua

* Rename roman-numeral-conversion.lua to roman-numeral.lua

* Update factorial.lua

* Updated isPrime to Match Testing

* Update prime-number.lua

* Update rot-13.lua

* Update rot-13.lua

* Added citation

* Update rot-13.lua

* Update bubble-sort.lua

* Update file-io.lua

archive/l/lua/README.md

@@ -17,6 +17,7 @@ Welcome to Sample Programs in Lua!
 - [Prime Number in Lua][11]
 - [Reverse a String in Lua][5]
 - [ROT-13 in Lua][10]
+  - Solution based on [Yonaba's Caesar Cipher solution][yonaba-solution]
 - [Roman Numeral Conversion][12]
 
 ## Fun Facts
@@ -30,6 +31,8 @@ Welcome to Sample Programs in Lua!
 - [Lua Wiki][3]
 - [Lua Docs][4]
 
+[yonaba-solution]: https://github.com/kennyledet/Algorithm-Implementations/blob/master/ROT13_Cipher/Lua/Yonaba/rot13.lua
+
 [1]: https://github.com/TheRenegadeCoder/sample-programs/issues/444
 [2]: https://therenegadecoder.com/code/hello-world-in-lua/
 [3]: https://en.wikipedia.org/wiki/Lua_(programming_language)

archive/l/lua/baklava.lua

@@ -4,11 +4,11 @@ function diamondStarPattern(height)
     for j = 1, (2*i-1) do io.write("*") end -- to print the * for the upper half
     io.write("\n") -- to move pointer to next line
   end
-  for i = height,1,-1 do -- loop for printing the lower half of the baklava
+  for i = height - 1,1,-1 do -- loop for printing the lower half of the baklava
     for j = i, height - 1 do io.write(" ") end -- to print the spaces
     for j = 1, (2*i-1) do io.write("*") end --  to print the * for the lower half
     io.write("\n") -- to move pointer to next line
   end  
 end
 
-diamondStarPattern(21)
+diamondStarPattern(11)

archive/l/lua/bubble-sort.lua

@@ -3,13 +3,13 @@ nums = {}
 
 -- Exit if no list is entered or list is empty
 if arg[1] == nil or #arg[1] == 0 then
-    print('Usage: please provide a list of at least two integers to sort in the format “1, 2, 3, 4, 5”')
+    print('Usage: please provide a list of at least two integers to sort in the format "1, 2, 3, 4, 5"')
     return
 end
 
 -- Exit if list has a single entry or is not formatted with commas
 if (not string.match(arg[1], " ")) or (not string.match(arg[1], ",")) then
-    print('Usage: please provide a list of at least two integers to sort in the format “1, 2, 3, 4, 5”')
+    print('Usage: please provide a list of at least two integers to sort in the format "1, 2, 3, 4, 5"')
     return
 end
 
@@ -43,4 +43,4 @@ for k,v in pairs(nums) do
     end
 end
 
-print()
+io.write("\n")

archive/l/lua/capitalize.lua

@@ -1,11 +1,12 @@
-if (#arg < 1)
+if (#arg < 1 or arg[1] == '')
 then
-    print('Usage: provide a string')
+    print('Usage: please provide a string')
 else
     str = {...}
     s = ""
     for i,v in pairs(str) do
         s = s .. v .. " "
     end
-    print(s:gsub("^%l", string.upper))  
+    s, _ = s:gsub("^%l", string.upper)
+    print(s)  
 end

archive/l/lua/factorial.lua

@@ -21,7 +21,7 @@ main = function(input)
     maxInput = 20
     usage = "Usage: please input a non-negative integer"
 
-    if not (input == nil)
+    if not (input == nil or input == "")
     then
         inputValidation = input:gsub('[0-9]','')
         if inputValidation:len() == 0
@@ -43,4 +43,4 @@ main = function(input)
 end
 
 -- Run the script
-main(arg[1])
+main(arg[1])

archive/l/lua/file-io.lua

@@ -1,16 +1,17 @@
 function writer()
 	file_to_be_written = io.open("output.txt","w+")
+	io.output(file_to_be_written)
 	io.write("text to be written into output.txt")
-	io.close()
+	io.close(file_to_be_written)
 end
 
 
 function reader()
 	file_to_be_read = io.open("output.txt","r")
 	io.input(file_to_be_read)
 	print(io.read())
-	io.close()
-    end
+	io.close(file_to_be_read)
+end
 
 writer()
 reader()

archive/l/lua/prime-number.lua

@@ -4,29 +4,31 @@ function isPrime(n)
     prime = "Prime"
     usage = "Usage: please input a non-negative integer"
     local n = tonumber(n)
-    --catch nil, 0, 1, negative and non int numbers
-    if not n or n<2 or (n % 1 ~=0) then 
+    --catch nil, negative and non int numbers
+    if not n or n < 0 or (n % 1 ~= 0) then 
         print(usage)
+    --catch 0 and 1
+    elseif n < 2 then
+        print(comp)
     --catch even number above 2
-    elseif n>2 and (n % 2 == 0) then 
+    elseif n > 2 and (n % 2 == 0) then 
         print(comp)
-    --primes over 5 end in 1,3,7 or 9
     --catch numbers that end in 5 or 0 (multiples of 5)
     elseif n>5 and (n % 5 ==0) then 
         print(comp)
     --now check for prime
     else
         --only do the odds
+        result = prime
         for i = 3, math.sqrt(n), 2 do
             --did it divide evenly
             if (n % i == 0) then
-                print(comp)
+                result = comp
             end
         end
         --can defeat optimus
-        print(prime)
+        print(result)
     end
 end
 
-
-isPrime(arg[1])
+isPrime(arg[1])

archive/l/lua/roman-numeral-conversion.lua → archive/l/lua/roman-numeral.lua

@@ -66,4 +66,4 @@ for i = 1, #input do
 end
 
 -- Print converted value
-print(convertToDecimal(input))
+print(convertToDecimal(input))

archive/l/lua/rot-13.lua

@@ -1,20 +1,19 @@
--- See: https://stackoverflow.com/questions/9695697/lua-replacement-for-the-operator/20858039#20858039
-function mod(a, b)
-    return a - (math.floor(a/b)*b)
+local function ascii_base(s)
+  return s:lower() == s and ('a'):byte() or ('A'):byte()
 end
 
-if (#arg < 1)
+function caesar_cipher(str, key)
+  return (str:gsub('%a', function(s)
+    local base = ascii_base(s)
+    return string.char(((s:byte() - base + key) % 26) + base)
+  end))
+end
+
+if (#arg < 1 or arg[1] == "")
 then
-    print('Usage: provide a string')
+    print('Usage: please provide a string to encrypt')
 else
-    str = {...}
-    for i,v in pairs(str) do
-        for k = 1, #v do
-            local c = v:sub(k,k)
-            io.write(string.char(mod(string.byte(c) - 97 + 13, 26) + 97))
-        end
-        io.write(" ")
-    end
+    io.write(caesar_cipher(arg[1], 13))
 end
 
 io.write("\n")

archive/l/lua/testinfo.yml

@@ -0,0 +1,8 @@
+folder:
+  extension: ".lua"
+  naming: "hyphen"
+
+container:
+  image: "nickblah/lua"
+  tag: "5.4-alpine" 
+  cmd: "lua {{ source.name }}{{ source.extension }}"