Test single exercise (#45)

* add test script that accepts `-- filename`

* add command to test a single exercise

* re-sync package.josn files

Author: TheRealOwenRees

Makefile

@@ -7,6 +7,9 @@ OUTDIR ?= "tmp"
 # Define the files you want to ensure are synced across all exercises
 FILES_TO_CHECK = package.json package-lock.json rescript.json .gitignore LICENSE
 
+# Camel to Pascal case utility
+TO_PASCAL = $(shell echo "$(1)" | sed -E 's/[-_]/ /g' | awk '{for(i=1;i<=NF;i++)sub(/./,toupper(substr($$i,1,1)),$$i)}1' | sed 's/ //g')
+
 # check all exercise files that need to be in sync
 check-exercise-files:
 	@for exercise in $(EXERCISES); do \
@@ -113,6 +116,12 @@ endif
 	@node test_templates/$(PASCAL_EXERCISE)_template.res.js || exit 1
 	npm run res:format-fix
 
+# Test a single exercise - e.g. make test-one EXERCISE=eliuds-eggs
+test-one:
+	$(MAKE) -s check-exercise-files
+	$(MAKE) -s copy-all-exercises
+	npm run test:only -- tmp/tests/$(call TO_PASCAL,$(EXERCISE))_test.res.js
+
 test:
 	$(MAKE) -s clean
 	$(MAKE) -s check-exercise-files

exercises/practice/acronym/package.json

@@ -20,7 +20,8 @@
     "res:start": "rescript build -w",
     "res:format-check": "rescript format --check",
     "res:format-fix": "rescript format",
-    "test": "rescript && retest tests/*.js",
+    "test": "rescript && retest tmp/tests/*.js",
+    "test:only": "rescript && retest",
     "ci": "npm test"
   }
 }

exercises/practice/all-your-base/package.json

@@ -20,7 +20,8 @@
     "res:start": "rescript build -w",
     "res:format-check": "rescript format --check",
     "res:format-fix": "rescript format",
-    "test": "rescript && retest tests/*.js",
+    "test": "rescript && retest tmp/tests/*.js",
+    "test:only": "rescript && retest",
     "ci": "npm test"
   }
 }

exercises/practice/allergies/package.json

@@ -20,7 +20,8 @@
     "res:start": "rescript build -w",
     "res:format-check": "rescript format --check",
     "res:format-fix": "rescript format",
-    "test": "rescript && retest tests/*.js",
+    "test": "rescript && retest tmp/tests/*.js",
+    "test:only": "rescript && retest",
     "ci": "npm test"
   }
 }

exercises/practice/anagram/package.json

@@ -20,7 +20,8 @@
     "res:start": "rescript build -w",
     "res:format-check": "rescript format --check",
     "res:format-fix": "rescript format",
-    "test": "rescript && retest tests/*.js",
+    "test": "rescript && retest tmp/tests/*.js",
+    "test:only": "rescript && retest",
     "ci": "npm test"
   }
 }

exercises/practice/armstrong-numbers/package.json

@@ -20,7 +20,8 @@
     "res:start": "rescript build -w",
     "res:format-check": "rescript format --check",
     "res:format-fix": "rescript format",
-    "test": "rescript && retest tests/*.js",
+    "test": "rescript && retest tmp/tests/*.js",
+    "test:only": "rescript && retest",
     "ci": "npm test"
   }
 }

exercises/practice/atbash-cipher/package.json

@@ -20,7 +20,8 @@
     "res:start": "rescript build -w",
     "res:format-check": "rescript format --check",
     "res:format-fix": "rescript format",
-    "test": "rescript && retest tests/*.js",
+    "test": "rescript && retest tmp/tests/*.js",
+    "test:only": "rescript && retest",
     "ci": "npm test"
   }
 }

exercises/practice/binary-search/package.json

@@ -20,7 +20,8 @@
     "res:start": "rescript build -w",
     "res:format-check": "rescript format --check",
     "res:format-fix": "rescript format",
-    "test": "rescript && retest tests/*.js",
+    "test": "rescript && retest tmp/tests/*.js",
+    "test:only": "rescript && retest",
     "ci": "npm test"
   }
 }

exercises/practice/bob/package.json

@@ -20,7 +20,8 @@
     "res:start": "rescript build -w",
     "res:format-check": "rescript format --check",
     "res:format-fix": "rescript format",
-    "test": "rescript && retest tests/*.js",
+    "test": "rescript && retest tmp/tests/*.js",
+    "test:only": "rescript && retest",
     "ci": "npm test"
   }
 }

exercises/practice/change/package.json

@@ -20,7 +20,8 @@
     "res:start": "rescript build -w",
     "res:format-check": "rescript format --check",
     "res:format-fix": "rescript format",
-    "test": "rescript && retest tests/*.js",
+    "test": "rescript && retest tmp/tests/*.js",
+    "test:only": "rescript && retest",
     "ci": "npm test"
   }
 }