vdotenv_test.v

module vdotenv

import os

/*
Sample .env file for tests:
.env
TEST=OVERLOADENV
TEST1='LOADENV'
TEST2=LOADENV
#TEST3=NOLOADENV
TEST4=NOHASH#COMMENTSTARTSHERe
TEST5=NOHASH #TEST6=NOLOADENV
TEST7 = "HASH #ENV" # COMMENT

.env.parse
WORDONE=HELLO
WORDTWO=WORLD
*/
fn test_load() {
	// loads env vars from a .env file.
	load()
	env_var := os.getenv('TEST2')
	assert env_var == 'LOADENV'
}

fn test_load_quoted() {
	// loads env vars from a .env file.
	load()
	env_var := os.getenv('TEST1')
	assert env_var == 'LOADENV'
}

fn test_over_load() {
	// over loads env vars from .env file.
	over_load()
	env_var := os.getenv('TEST')
	assert env_var == 'OVERLOADENV'
}

fn test_comments_start_line() {
	// loads env vars and verifies that comments that start a line are ignored
	load()
	env_var := os.getenv('TEST3')
	assert env_var == ''
}

fn test_comments_end_line() {
	load()
	// loads env vars and verifies that comments are removed from the end of values
	env_var := os.getenv('TEST4')
	assert env_var == 'NOHASH'
	env_var2 := os.getenv('TEST5')
	assert env_var2 == 'NOHASH'
}

fn test_quoted_hash() {
	load()
	// load env vars and verify comments are ignored without affecting hashes within quotes
	env_var := os.getenv('TEST7')
	assert env_var == 'HASH #ENV'
}

fn test_parse() {
	// test that returning a hash of env vars parsed from the default '.env' file
	assert parse(true) == '{ /* file: .env */ "TEST" : "OVERLOADENV", "TEST1" : "LOADENV", "TEST2" : "LOADENV", "TEST4" : "NOHASH", "TEST5" : "NOHASH", "TEST7" : "HASH #ENV" }'
}

fn test_parse_multifiles() {
	// test that returning a hash of env vars parsed from a variable number of files
	assert parse(true, '.env', '.env.parse') == '{ /* file: .env */ "TEST" : "OVERLOADENV", "TEST1" : "LOADENV", "TEST2" : "LOADENV", "TEST4" : "NOHASH", "TEST5" : "NOHASH", "TEST7" : "HASH #ENV", /* file: .env.parse */ "WORDONE" : "HELLO", "WORDTWO" : "WORLD" }'
}