Add unit test

Makefile

@@ -19,6 +19,9 @@ libs:
 run:
 	crystal run src/mango.cr --error-trace
 
+test:
+	crystal spec
+
 install:
 	cp mango $(INSTALL_DIR)/mango
 

spec/asset/test-config.yml

@@ -0,0 +1,2 @@
+---
+port: 3000

spec/config_spec.cr

@@ -0,0 +1,14 @@
+require "./spec_helper"
+
+describe Config do
+	it "creates config if it does not exist" do
+		tempfile = File.tempfile "mango-test-config"
+		config = Config.load tempfile.path
+		File.exists?(tempfile.path).should be_true
+		tempfile.delete
+	end
+	it "correctly loads config" do
+		config = Config.load "spec/asset/test-config.yml"
+		config.port.should eq 3000
+	end
+end

spec/spec_helper.cr

@@ -0,0 +1,3 @@
+require "spec"
+require "../src/context"
+require "../src/server"

spec/storage_spec.cr

@@ -0,0 +1,66 @@
+require "./spec_helper"
+
+describe Storage do
+	temp_config = File.tempfile "mango-test-config"
+	temp_db = File.tempfile "mango-test-db"
+	config = Config.load temp_config.path
+	user_token = nil
+	admin_token = nil
+
+	it "creates DB at given path" do
+		storage = Storage.new temp_db.path, MLogger.new config
+		File.exists?(temp_db.path).should be_true
+	end
+	it "deletes user" do
+		storage = Storage.new temp_db.path, MLogger.new config
+		storage.delete_user "admin"
+	end
+	it "creates new user" do
+		storage = Storage.new temp_db.path, MLogger.new config
+		storage.new_user "user", "123456", false
+		storage.new_user "admin", "123456", true
+	end
+	it "verifies username/password combination" do
+		storage = Storage.new temp_db.path, MLogger.new config
+		user_token = storage.verify_user "user", "123456"
+		admin_token = storage.verify_user "admin", "123456"
+		user_token.should_not be_nil
+		admin_token.should_not be_nil
+	end
+	it "rejects duplicate username" do
+		storage = Storage.new temp_db.path, MLogger.new config
+		expect_raises SQLite3::Exception,
+			"UNIQUE constraint failed: users.username" do
+			storage.new_user "admin", "123456", true
+		end
+	end
+	it "verifies token" do
+		storage = Storage.new temp_db.path, MLogger.new config
+		token = storage.verify_token user_token
+		token.should eq "user"
+	end
+	it "verfies admin token" do
+		storage = Storage.new temp_db.path, MLogger.new config
+		storage.verify_admin(admin_token).should be_true
+	end
+	it "rejects non-admin token" do
+		storage = Storage.new temp_db.path, MLogger.new config
+		storage.verify_admin(user_token).should be_false
+	end
+	it "updates user" do
+		storage = Storage.new temp_db.path, MLogger.new config
+		storage.update_user "admin", "admin", "654321", true
+		token = storage.verify_user "admin", "654321"
+		token.should eq admin_token
+	end
+	it "logs user out" do
+		storage = Storage.new temp_db.path, MLogger.new config
+		storage.logout user_token
+		storage.logout admin_token
+		storage.verify_token(user_token).should be_nil
+		storage.verify_token(admin_token).should be_nil
+	end
+
+	temp_config.delete
+	temp_db.delete
+end