groovy how to test for environment existence inside config.groovy - groovy

Question

best practice for testing for existence in tree structure? For example testing for environment existence within a config file. Current working example below. Tried .hasProperty but couldn't get right object reference with in a tree structure like config.
def config = new ConfigSlurper(myenvironment).parse(new File('cfg.groovy').toURL())
def results = config.admin.server
try {
assert results.size != 0
} catch...
cfg.groovy
environments {
dev01 {
admin {
server = 'http://'
port = '1'
}
}
test {
admin {
server = 'http://'
port = '1'
}
}
}

Answer 1

I don't know if there is a better way to do so, but you can check if the generated config object for the passed environment is empty:
def environments = '''
environments {
dev01 {
admin {
server = 'http://'
port = '1'
}
}
test {
admin {
server = 'http://'
port = '1'
}
}
}
'''
def noExists = new ConfigSlurper('noExistEnv').parse(environments)
assert !noExists.isEmpty()
Since noExistEnv doesn't exists this execution shows:
Assertion failed:
assert !noExists.isEmpty()
|| |
|[:] true
false
Trying with an existent environment all works correctly:
def environments = '''
environments {
dev01 {
admin {
server = 'http://'
port = '1'
}
}
test {
admin {
server = 'http://'
port = '1'
}
}
}
'''
def testCfg = new ConfigSlurper('test').parse(environments)
def result = testCfg.admin.server
// check that string is not empty
assert !result.isEmpty()
println result // prints "http://"
Hope it helps,