Url shorterer service

How to run?

Server:

:~$ chmod +x ./run.sh && ./run.sh

Unit tests:

:~$ go get github.com/vektra/mockery/ .../. &&  mockery -all && go test -v -tags=unit -race ./...

Integration tests:

:~$ export URL_SHORTENER_REDIRECTURLBASEPATH=http://localhost:8081
:~$ export URL_SHORTENER_CONNECTIONSTRING="host=localhost user=root password=toor dbname=url_shortener"
:~$ go run main.go &
:~$ echo $! >./pid.file
:~$ export URL_SHORTENER_INTEGRATION_TESTS_=http://localhost:8081/ 
:~$ go get github.com/vektra/mockery/ .../. &&  mockery -all && go test -v -tags=integration -race ./...
:~$ kill $(cat ./pid.file)

Generate mocks for tests: `bash :~$ go get github.com/vektra/mockery/.../. && mockery -name IDbContext -dir db && mockery -dir manager -name IUrlShortenerManager

Configurations

See ./config/config.go for details

Env variable	Description	Required	Default	Examples
URL_SHORTENER_SERVICEHOST	Go server listen host		localhost	0.0.0.0
URL_SHORTENER_SERVICEPORT	Go server listen port		8080	80
URL_SHORTENER_CACHEEXPIRATION	Time before deletion of link from cache		10m	600s
URL_SHORTENER_CACHECLEANUPINTERVAL	Time for check whether to delete link from cache		5m	300s
URL_SHORTENER_LOGLEVEL	Global service’s log level		info	panic, fatal, error, warn, info, debug, trace
URL_SHORTENER_REDIRECTURLBASEPATH	Base path for redirect url host	+		http://localhost:8080/api
URL_SHORTENER_DBSOURCETYPE	Data source type		sqlite3	sqlite3, postgres
URL_SHORTENER_CONNECTIONSTRING	File system path to sqlite3 db file or postgresql connection string	+		”./url-shortener.db”, “host=localhost user=root password=toor dbname=url_shortener”

API methods

| Method | Path | Description | Body | Sample response (CODE; CONTENT-TYPE|Location BODY) | |——–|———————————-|—————–|————————————————|—————————————————————————————————————————————————————————————————————————————————————————–| | GET | / | Home page | | 200 text/html | | POST | /api/urls | Create link | {“targetUrl”: “http://google.com”, “name”: “”} | ²⁰⁰⁄₂₀₁ application/json { “targetUrl”:”http://localhost:8080/?”, “shortUrl”:”http://localhost:8080/api/92dfc16b40fe2ac8419ae770b24846b5”, “name”:“”, “createdAt”:1553340063, “updatedAt”:1553340063 } ⁴⁰⁰⁄₅₀₀ text/html INVALID_BODY|INVALID_URL/INTERNAL_SERVER_ERROR | | DELETE | /api/urls/:urlHash | Delete link | | 204 500 text/html INTERNAL_SERVER_ERROR | | GET | /api/urls[?limit=10[&offset=0]] | Get all urls | | 302 Location: http://localhost:8080/? 404 text/html INVALID_BODY 500 text/html INTERNAL_SERVER_ERROR | | GET | /api/:urlHash | Create url hash | | 302 Location: http://localhost:8080/? 404 text/html INVALID_BODY 500 text/html INTERNAL_SERVER_ERROR |

Requirements

go@1.12
sqlite3
postgresql@11.3