asp.net - How do I share settings between web.config and class library during unit testing? -


i want unit tests in class library, need same config settings in main asp.net project's web.config. therefore need duplicate number of web.config settings class library.

i have added settings through class library's project properties settings tab.

then app.config file automatically added project:

<?xml version="1.0" encoding="utf-8" ?> <configuration>     <configsections>         <sectiongroup name="applicationsettings" type="system.configuration.applicationsettingsgroup, system, version=4.0.0.0, culture=neutral, publickeytoken=b77a5c561934e089" >             <section name="externalservices.cpr.properties.settings" type="system.configuration.clientsettingssection, system, version=4.0.0.0, culture=neutral, publickeytoken=b77a5c561934e089" requirepermission="false" />         </sectiongroup>     </configsections>     <applicationsettings>         <externalservices.cpr.properties.settings>             <setting name="cprprodhostname" serializeas="string">                 <value>direkte.cpr.dk</value>             </setting>

question 1. "best practice" way share/duplicate settings main web.config class library needs run unit tests separately same config?

question 2. want read settings name. try read configurationmanager.appsettings["cprprodhostname"]; (using system.configuration;) doesn't work, returns null?

question 3. purpose of app.config-file? because there no build action set , file not copied output, never visible anywhere default. implies can not change these settings in run time. that's quite strange, right?

hope talking web config setting below:

<configuration>   <appsettings>     <add key="hostname" value="www.hostname.com" />   </appsettings> </configuration>

please check above part , use below code retrieve key value of hostname

configurationmanager.appsettings["hostname"]

it requires using system.configuration;


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