jq/raindrops: 1st iteration

jq/README.md

@@ -24,3 +24,4 @@
 - [assembly-line](./assembly-line/README.md)
 - [bird-count](./bird-count/README.md)
 - [regular-chatbot](./regular-chatbot/README.md)
+- [raindrops](./raindrops/README.md)

jq/raindrops/README.md

@@ -59,4 +59,9 @@ outputs
 
 ### Based on
 
-A variation on FizzBuzz, a famous technical interview question that is intended to weed out potential candidates. That question is itself derived from Fizz Buzz, a popular children's game for teaching division. - https://en.wikipedia.org/wiki/Fizz_buzz
+A variation on FizzBuzz, a famous technical interview question that is intended to weed out potential candidates. That question is itself derived from Fizz Buzz, a popular children's game for teaching division. - https://en.wikipedia.org/wiki/Fizz_buzz
+
+### My Solution
+
+- [my solution](./raindrops.jq)
+- [run-tests](./run-tests-bats.txt)

jq/raindrops/raindrops.jq

@@ -1 +1,12 @@
-"Remove this line and implement your solution" | halt_error
+def is_pling: . % 3 == 0;
+def is_plang: . % 5 == 0;
+def is_plong: . % 7 == 0;
+
+def not_sound: (is_pling | not) and (is_plang | not ) and (is_plong | not);
+
+.number | if not_sound then (. | tostring)
+else (
+    (if is_pling then "Pling" else "" end )+
+    (if is_plang then "Plang" else "" end )+
+    (if is_plong then "Plong" else "" end)
+) end

jq/raindrops/run-tests-bats.txt

@@ -0,0 +1,28 @@
+
+[./test-raindrops.bats]
+
+bats ./test-raindrops.bats
+
+1..18
+ok 1 the sound for 1 is 1
+ok 2 the sound for 3 is Pling
+ok 3 the sound for 5 is Plang
+ok 4 the sound for 7 is Plong
+ok 5 the sound for 6 is Pling as it has a factor 3
+ok 6 2 to the power 3 does not make a raindrop sound as 3 is the exponent not the base
+ok 7 the sound for 9 is Pling as it has a factor 3
+ok 8 the sound for 10 is Plang as it has a factor 5
+ok 9 the sound for 14 is Plong as it has a factor of 7
+ok 10 the sound for 15 is PlingPlang as it has factors 3 and 5
+ok 11 the sound for 21 is PlingPlong as it has factors 3 and 7
+ok 12 the sound for 25 is Plang as it has a factor 5
+ok 13 the sound for 27 is Pling as it has a factor 3
+ok 14 the sound for 35 is PlangPlong as it has factors 5 and 7
+ok 15 the sound for 49 is Plong as it has a factor 7
+ok 16 the sound for 52 is 52
+ok 17 the sound for 105 is PlingPlangPlong as it has factors 3, 5 and 7
+ok 18 the sound for 3125 is Plang as it has a factor 5
+
+real	0m2.435s
+user	0m1.320s
+sys	0m1.185s