gistfile1.java

/**
* Gets an admin user
*
* @return An admin user
*/
public static User getAdminUser() {
    Profile adminProfile = [
        select id
        from profile
        where name = 'System Administrator'
    ];
    
    User admin = [
        select Name
        from User
        where ProfileId = :adminProfile.Id and
            isActive = true and
            LocaleSidKey = 'en_US'
        limit 1
    ];
    
    return admin;
}

/**
* Gets a user with the given profile and role
*
* @param username The username to use (must be in the form of an email)
* @param profile The name of the profile to use
* @param role The name of the role to use
* @return A test user
*/
public static User getTestUser(String username, String profile, String role) {
    Profile currentProfile = [
        select id
        from profile
        where name = :profile
    ];
    
    Userrole currentRole = [
        select id
        from UserRole
        where Name = :role
    ];
    
    return new User(
        alias = 'admintes',
        email = 'noreply@test.com',
        emailencodingkey = 'UTF-8',
        lastname = 'Testing',
        languagelocalekey = 'en_US',
        localesidkey = 'en_US',
        profileid = currentProfile.Id,
        timezonesidkey = 'America/New_York',
        username = username,
        userroleid = currentRole.Id,
    );
}

/**
* Creates a test user
*
* (NOTE: inserts user record)
* @param username The username to use (must be in the form of an email)
* @param profile The name of the profile to use
* @param role The name of the role to use
* @return A test user
*/
public static User createTestUser(String username, String profile, String role) {
    User admin = getAdminUser();
    User testUser;

    System.runAs(admin) {
        testUser = getTestUser(username, profile, role);
        insert testUser;
    }

    return testUser;
}