create-testnet-data: test minimal example

cardano-cli/cardano-cli.cabal

@@ -307,6 +307,7 @@ test-suite cardano-cli-test
 
   other-modules:        Test.Cli.AddCostModels
                         Test.Cli.CliIntermediateFormat
+                        Test.Cli.CreateTestnetData
                         Test.Cli.FilePermissions
                         Test.Cli.Governance.Hash
                         Test.Cli.ITN

cardano-cli/test/cardano-cli-test/Test/Cli/CreateTestnetData.hs

@@ -0,0 +1,29 @@
+module Test.Cli.CreateTestnetData where
+
+
+
+import           System.FilePath
+
+import           Test.Cardano.CLI.Util (execCardanoCLI)
+
+import           Hedgehog (Property)
+import           Hedgehog.Extras (moduleWorkspace, propertyOnce)
+import qualified Hedgehog.Extras as H
+
+-- | Test case for https://github.com/IntersectMBO/cardano-cli/issues/587
+-- Execute this test with:
+-- @cabal test cardano-cli-test --test-options '-p "/create testnet data minimal/"'@
+hprop_create_testnet_data_minimal :: Property
+hprop_create_testnet_data_minimal =
+  propertyOnce $ moduleWorkspace "tmp" $ \tempDir -> do
+
+    let outputDir = tempDir </> "out"
+
+    H.noteM_ $ execCardanoCLI
+      ["conway",  "genesis", "create-testnet-data"
+      , "--testnet-magic", "42"
+      , "--out-dir", outputDir
+      ]
+
+    -- We test that the command doesn't crash, because otherwise
+    -- execCardanoCLI would fail.