Adds test to make sure readme and csproj align.

Author: joncloud

TestReadmeVersion.ps1

@@ -0,0 +1,30 @@
+$ReadmePath = Join-Path $PSScriptRoot 'README.md'
+If (-not (Test-Path $ReadmePath)) {
+    Write-Error 'Unable to find README.md'
+    Exit 1
+}
+
+$ReadmeContents = Get-Content $ReadmePath -Raw
+[regex]$Regex = 'dotnet tool install --global https --version (.+)-\*'
+$Match = $Regex.Match($ReadmeContents)
+If (-not $Match.Success) {
+    Write-Error 'Unable to find version information in README.md'
+    Exit 1
+}
+
+$HttpsCsprojPath = Join-Path $PSScriptRoot 'src/https/https.csproj'
+If (-not (Test-Path $HttpsCsprojPath)) {
+    Write-Error 'Unable to find https.csproj'
+    Exit 1
+}
+
+[xml]$HttpsCsproj = Get-Content $HttpsCsprojPath
+
+$Expected = $HttpsCsproj.Project.PropertyGroup.VersionPrefix |
+    Where-Object { $null -ne $_ } |
+    ForEach-Object { $_.ToString().Trim() }
+$Actual = $Match.Groups[1].ToString().Trim()
+If ($Expected -ne $Actual) {
+    Write-Error "Expected to have ${Expected} version in README.md, but found ${Actual}"
+    Exit 1
+}

azure-pipelines.yml

@@ -10,6 +10,11 @@ variables:
   buildConfiguration: 'Release'
 
 steps:
+- task: PowerShell@2
+  inputs:
+    filePath: 'TestReadmeVersion.ps1'
+    failOnStderr: true
+
 - task: DotNetCoreCLI@2
   displayName: Pack https
   inputs: