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How to test CRUD operation API without database interaction i.e with mock connection in Junit?
You may use db mock
https://www.npmjs.com/package/db-mock
or use mockito https://github.com/mockito/mockito
If you are using an ORM like Hibernate and do not issue any vendor specific SQL statements, you can also use an in-memory DB like H2.
You can Use Postman App Extension For Google Chrome,
Get Postman
This Works Well for MongoDB and API declared in Express.js.
Dont worry this will work with your Junit as Well.
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Although I can create and store queries using the Arango client, I can't find a way to create and retrieve them using the Arango java driver. The only place I can see a QueryEntity returned is when asking for long running queries.
In the same way I create Collections and graphs programmatically using the java api, I also want to create a few queries for debugging. I can't find a way to do this using the java api.
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I need to create a local database for query purposes. I wish to build and populate a database with data from a number of text files, do the queries needed, and then destroy the database since it is no longer needed.
I am currently programing it in VB.net but would eventually want to port into a java or like language so other platforms can be used.
I prefer something that does not require the user to download something else to make this work. A person I asked did suggest SQLite but I am not sure how to load it internally.
Java SDK includes Derby Database - see the link.
That can be used without further download (only Java needs to be there of cause)
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I am trying to authenticate users from LDAP server to use the database using JAVA code. So far I have authentication working I just need to know how to get the roles from the LDAP?
According to the MySQL 5.5 manual, the way to get different MySQL roles for different users depending on their LDAP group membership is to use the PAM authentication plugin's proxy user mechanism. The manual includes extensive material on how to do this, and it would be pointless to repeat it all here.
However, you don't configure this from Java, and the mechanisms are not Java / JDBC specific.
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I want to build an application using Java related frameworks but i do not have an idea to start it.
The description is as follows:
I need to fetch flat files containing legacy data from UI and then send it to the structured database for storing the structured data. It is basically a conversion of legacy data into structured form.
In this above process i want to display the error logs on the UI itself.
How could i achieve this functionality and which framework or technology will be better to use? Is it good to use Swing?
You could write a simple console application. If you don't need a GUI don't use one. Otherwise Swing is fine.
You can use Spring and Hibernate to handle the database connectivity.
Logging would be via Log4j which can output to Console.
It seems you have a lot of studying to do to get started.
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I have got a requirement to connect Active directory systems through LDAP URL. I need to start this development very easiest way and looking to deliver this ASAP. Kindly share your thoughts.
I will be using Oracle JDeveloper for this development.
pure java example:
http://www.adamretter.org.uk/blog/entries/LDAPTest.java
If you can use Spring, go with spring-ldap:
http://projects.spring.io/spring-ldap/
Spring is really good library to handle ActiveDirectory connectivity. Just read the manual thats all.