Azure Devops - How to pass environment variables into dotnet test? - azure-devops

Question

I have a standard .NET Core (Ubuntu) pipeline on Azure Devops and within my Test project, I use environment variables. Within my pipeline, I have defined my group variables like so
variables:
- group: MyApiVariables
Whenever I run the tests for my project
- task: DotNetCoreCLI#2
displayName: "Testing Application"
inputs:
command: test
projects: '**/*Tests/*.csproj'
arguments: '--configuration $(buildConfiguration)'
The actual environment variables aren't passed in. They are blank.
What am I missing to get this running? I've even defined variables in the edit pipeline page too with no luck
- task: Bash#3
inputs:
targetType: 'inline'
script: echo $AppConfigEndpoint
env:
AppConfigEndpoint: $(AppConfigEndpoint)
ApiConfigSection: $(ApiConfigSection)
Thanks!

Answer 1

CASING Strikes again! MyVariableName was turned into MYVARIABLENAME on Azure Devops. I changed my variable names in my group to all caps and it worked. I spent way too much time on this.

Answer 2

Mike, I see that you use variable groups. I assume it may cause your issue. Take a look at variable passing example I made:
First I had to create new variable group in Library:
Here is a pipeline code that reference created variables:
# Set variables group reference
variables:
- group: SampleVariableGroup
steps:
- powershell: 'Write-Host "Config variable=$(configuration) Platform variable=$(platform)"'
displayName: 'Display Sample Variable'
I used PowerShell task to verify if variables were properly passed to the job.
As you can see both configuration & platform values were displayed correctly.
In fact you can't go wrong that way, unless you start to mix variable groups with variables defined in a yaml. In such scenario you'll have to use name/value syntax for the individual (non-grouped) variables.
Please see Microsoft Variable Groups documentation. Such example is well explained there. I also suggest to take closer look at general Variables Documentation.
In case of referencing variables in other tasks here is a great example from MS (it should work everywhere in same manner):
# Set variables once
variables:
configuration: debug
platform: x64
steps:
# Use them once
- task: MSBuild#1
inputs:
solution: solution1.sln
configuration: $(configuration) # Use the variable
platform: $(platform)
# Use them again
- task: MSBuild#1
inputs:
solution: solution2.sln
configuration: $(configuration) # Use the variable
platform: $(platform)
Good luck!