Improve the makefile

Makefile

@@ -1,7 +1,21 @@
-all: elm
+.PHONY: all elm elm-test riichi riichi-test test clean
+
+all: elm riichi
 
 elm:
 	$(MAKE) $(MAKE_FLAGS) --directory priv
 
+elm-test:
+
+
+riichi:
+	rebar3 compile
+
+elm-test:
+	$(MAKE) test $(MAKE_FLAGS) --directory priv
+
+test: elm-test
+	rebar3 eunit
+
 clean:
 	$(MAKE) clean $(MAKE_FLAGS) --directory priv

priv/Makefile

@@ -1,12 +1,19 @@
 .PHONY: all node-deps clean run
 
+mkfile_path := $(abspath $(lastword $(MAKEFILE_LIST)))
+current_dir := $(notdir $(patsubst %/,%,$(dir $(mkfile_path))))
+
 TARGET = js/riichi.js
 SOURCE = src/Riichi.elm
 CSS = css/riichi.css
 CSS_SOURCE = src/Stylesheets.elm
 
 ELM_FILES = $(shell find . -type f -name '*.elm')
-PATH := ./node_modules/.bin:$(PATH)
+NODE_PATH := $(abspath ./node_modules/.bin)
+ELM-MAKE := $(NODE_PATH)/elm-make
+ELM-REACTOR := $(NODE_PATH)/elm-reactor
+ELM-TEST := $(NODE_PATH)/elm-test
+ELM-CSS := $(NODE_PATH)/elm-css
 
 ELMMAKE_FLAGS = --yes --warn
 
@@ -20,18 +27,22 @@ node-deps:
 	npm i
 
 $(TARGET): $(ELM_FILES)
-	elm-make $(ELMMAKE_FLAGS) src/Riichi.elm --output=$@
+	$(ELM-MAKE) $(ELMMAKE_FLAGS) src/Riichi.elm --output=$@
 
 $(CSS): $(CSS_SOURCE)
-	elm-css $(CSS_SOURCE) -o css
+	@PATH=$(NODE_PATH):$(PATH) $(ELM-CSS) $(CSS_SOURCE) -o css
 
 clean-deps:
 	rm -rf elm-stuff
 	rm -rf node_modules
 
+test:
+	@PATH=$(NODE_PATH):$(PATH) $(ELM-TEST)
+
 clean:
 	rm -f $(TARGET) $(CSS)
 	rm -rf elm-stuff/build-artifacts
 
 run: all
-	elm-reactor
+	$(ELM-REACTOR)
+

priv/package.json

@@ -3,6 +3,7 @@
     "version": "1.0.0",
     "dependencies": {
         "elm": "0.18",
-        "elm-css": "0.6.1"
+        "elm-css": "0.6.1",
+        "elm-test": "^0.18.9"
     }
 }