// usage: clear ; cd src/js/node/js-unit-tests/01-set-url-param ; npm test ; cd -
// prereqs: , nodejs , mocha
// URI = scheme:[//authority]path[?paramName1=paramValue1¶mName2=paramValue2][#fragment]
// call by: uri = uri.setUriParam("as","md")
String.prototype.setUriParam = function (paramName, paramValue) {
var uri = this
var fragment = ( uri.indexOf('#') === -1 ) ? '' : uri.split('#')[1]
uri = ( uri.indexOf('#') === -1 ) ? uri : uri.split('#')[0]
if ( uri.indexOf("?") === -1 ) { uri = uri + '?&' }
uri = uri.replace ( '?' + paramName , '?&' + paramName)
var toRepl = (paramValue != null) ? ('$1' + paramValue) : ''
var toSrch = new RegExp('([&]' + paramName + '=)(([^&#]*)?)')
uri = uri.replace(toSrch,toRepl)
if (uri.indexOf(paramName + '=') === -1 && toRepl != '' ) {
var ampersandMayBe = uri.endsWith('&') ? '' : '&'
uri = uri + ampersandMayBe + paramName + "=" + String(paramValue)
}
uri = ( fragment.length == 0 ) ? uri : (uri+"#"+fragment) //may-be re-add the fragment
return uri
}
var assert = require('assert');
describe('replacing url param value', function () {
// scheme://authority/path[?p1=v1&p2=v2#fragment
// a clean url
it('http://org.com/path -> http://org.com/path?&prm=tgt_v', function (){
var uri = 'http://site.eu:80/qto/view/devops_guide_doc'
var uriExpected = 'http://site.eu:80/qto/view/devops_guide_doc?&bid=10'
var uriActual = uri.setUriParam("bid",10)
assert.equal(uriActual, uriExpected);
});
// has the url param existing after the ? with num value
it('http://org.com/path?prm=src_v -> http://org.com/path?&prm=tgt_v', function (){
var uri = 'http://site.eu:80/qto/view/devops_guide_doc?bid=57'
var uriExpected = 'http://site.eu:80/qto/view/devops_guide_doc?&bid=10'
var uriActual = uri.setUriParam("bid",10)
assert.equal(uriActual, uriExpected);
});
// has the url param existing after the ? but string value
it('http://org.com/path?prm=src_v -> http://org.com/path?&prm=tgt_v', function (){
var uri = 'http://site.eu:80/qto/view/devops_guide_doc?bid=boo-bar'
var uriExpected = 'http://site.eu:80/qto/view/devops_guide_doc?&bid=boo-bar-baz'
var uriActual = uri.setUriParam("bid","boo-bar-baz")
assert.equal(uriActual, uriExpected);
});
// has the url param existing after the ?& but string value
it('http://org.com/path?&prm=src_v -> http://org.com/path?&prm=tgt_v', function (){
var uri = 'http://site.eu:80/qto/view/devops_guide_doc?&bid=5'
var uriExpected = 'http://site.eu:80/qto/view/devops_guide_doc?&bid=10'
var uriActual = uri.setUriParam("bid",10)
assert.equal(uriActual, uriExpected);
});
// has the url param existing after the ? with other param
it('http://org.com/path?prm=src_v&other_p=other_v -> http://org.com/path?&prm=tgt_v&other_p=other_v', function (){
var uri = 'http://site.eu:80/qto/view/devops_guide_doc?bid=5&other_p=other_v'
var uriExpected = 'http://site.eu:80/qto/view/devops_guide_doc?&bid=10&other_p=other_v'
var uriActual = uri.setUriParam("bid",10)
assert.equal(uriActual, uriExpected);
});
// has the url param existing after the ?& with other param
it('http://org.com/path?&prm=src_v&other_p=other_v -> http://org.com/path?&prm=tgt_v&other_p=other_v', function (){
var uri = 'http://site.eu:80/qto/view/devops_guide_doc?&bid=5&other_p&other_v'
var uriExpected = 'http://site.eu:80/qto/view/devops_guide_doc?&bid=10&other_p&other_v'
var uriActual = uri.setUriParam("bid",10)
assert.equal(uriActual, uriExpected);
});
// has the url param existing after the ? with other param with fragment
it('http://org.com/path?prm=src_v&other_p=other_v#f -> http://org.com/path?&prm=tgt_v&other_p=other_v#f', function (){
var uri = 'http://site.eu:80/qto/view/devops_guide_doc?bid=5&other_p=other_v#f'
var uriExpected = 'http://site.eu:80/qto/view/devops_guide_doc?&bid=10&other_p=other_v#f'
var uriActual = uri.setUriParam("bid",10)
assert.equal(uriActual, uriExpected);
});
// has the url param existing after the ?& with other param with fragment
it('http://org.com/path?&prm=src_v&other_p=other_v#f -> http://org.com/path?&prm=tgt_v&other_p=other_v#f', function (){
var uri = 'http://site.eu:80/qto/view/devops_guide_doc?&bid=5&other_p&other_v#f'
var uriExpected = 'http://site.eu:80/qto/view/devops_guide_doc?&bid=10&other_p&other_v#f'
var uriActual = uri.setUriParam("bid",10)
assert.equal(uriActual, uriExpected);
});
// remove the param-name , param-value pair
it('http://org.com/path?prm=src_v&other_p=other_v#f -> http://org.com/path?&prm=tgt_v&other_p=other_v#f', function (){
var uri = 'http://site.eu:80/qto/view/devops_guide_doc?bid=5&other_p=other_v#f'
var uriExpected = 'http://site.eu:80/qto/view/devops_guide_doc?&other_p=other_v#f'
var uriActual = uri.setUriParam("bid",null)
assert.equal(uriActual, uriExpected);
});
// remove the param-name , param-value pair
it('http://org.com/path?&prm=src_v&other_p=other_v#f -> http://org.com/path?&prm=tgt_v&other_p=other_v#f', function (){
var uri = 'http://site.eu:80/qto/view/devops_guide_doc?&bid=5&other_p=other_v#f'
var uriExpected = 'http://site.eu:80/qto/view/devops_guide_doc?&other_p=other_v#f'
var uriActual = uri.setUriParam("bid",null)
assert.equal(uriActual, uriExpected);
});
// add a new param name , param value pair
it('http://org.com/path?prm=src_v&other_p=other_v#f -> http://org.com/path?&prm=tgt_v&other_p=other_v#f', function (){
var uri = 'http://site.eu:80/qto/view/devops_guide_doc?&other_p=other_v#f'
var uriExpected = 'http://site.eu:80/qto/view/devops_guide_doc?&other_p=other_v&bid=foo-bar#f'
var uriActual = uri.setUriParam("bid","foo-bar")
assert.equal(uriActual, uriExpected);
});
});