Add tests to Makefile

Makefile

@@ -1,32 +1,71 @@
-# First goal is always run with just `make`
-all:
-	/bin/php php/update-listing.php
+port = 8080
+output = output
 
-data:
+# First goal is the default with `make`.
+
+# List make scripts.
+list:
+	grep "^[^[:space:]]*:" Makefile --before-context=1 --group-separator=""
+
+## Using make dependencies is duplicating behaviour but reads better.
+# /bin/php php/update-listing.php
+# Refresh listing and generate HTML.
+all: fetch html
+
+# Fetch room listing.
+fetch:
 	/bin/php php/fetch-servers.php
 
+# Generate HTML from data.
 html:
 	/bin/php php/generate-html.php
 
-dev:
-	xdg-open http://localhost:8080
+# Last item run in foreground to receive interrupts.
+
+# Serve a local copy which responds to file changes.
+dev: open
 	make server &
 	make watchdog
 
-lan-dev:
+# Serve a local copy on LAN which responds to file changes.
+lan-dev: open
 	ip addr | fgrep -e ' 192.' -e ' 10.'
-	xdg-open http://localhost:8080
 	make lan-server &
 	make watchdog
 
+# Serve a local copy.
 server:
-	/bin/php -S localhost:8080 -t output
+	/bin/php -S localhost:$(port) -t $(output)
 
+# Serve a local copy on all interfaces.
 lan-server:
-	/bin/php -S 0.0.0.0:8080 -t output
+	/bin/php -S 0.0.0.0:$(port) -t $(output)
+
+# Open locally served page in browser.
+open:
+	xdg-open http://localhost:$(port) >/dev/null 2>/dev/null & disown
 
-# Update html on file change
-# Doesn't check for new files
+# Update HTML on file change. Doesn't check for new files.
 watchdog:
 	find . | entr -n -s "make html"
 
+# Remove artefacts
+clean:
+	rm -r cache
+	rm -r output/*.html
+
+# Build everything from scratch and test functionality.
+test: clean all open server
+
+# Build everything from scratch and test functionality on LAN.
+test-lan: clean all open lan-server
+
+# -- Aliases --
+serve: server
+
+lan-serve: lan-server
+
+data: fetch
+
+watch: watchdog
+