[incubator-openwhisk-cli] 15/16: Clarify WSK_CONFIG_FILE empty string behavior (#2357)

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csantanapr pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-openwhisk-cli.git

commit 30ba302116a3ca5d53d0762557d12c4a41c11b0b
Author: Mark Deuser <md...@us.ibm.com>
AuthorDate: Thu Sep 14 12:37:21 2017 -0400

    Clarify WSK_CONFIG_FILE empty string behavior (#2357)
    
    - add test and add comments.
---
 tests/src/test/scala/whisk/core/cli/test/WskConfigTests.scala | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tests/src/test/scala/whisk/core/cli/test/WskConfigTests.scala b/tests/src/test/scala/whisk/core/cli/test/WskConfigTests.scala
index 8e34aea..795a26a 100644
--- a/tests/src/test/scala/whisk/core/cli/test/WskConfigTests.scala
+++ b/tests/src/test/scala/whisk/core/cli/test/WskConfigTests.scala
@@ -53,6 +53,12 @@ class WskConfigTests extends TestHelpers with WskTestHelpers {
     }
   }
 
+  it should "use default cli configuration when an empty string WSK_CONFIG_FILE is supplied" in {
+    val env = Map("WSK_CONFIG_FILE" -> "")
+    val stderr = wsk.cli(Seq("property", "get", "-i"), env = env, expectedExitCode = ERROR_EXIT).stderr
+    stderr should include("The API host is not valid: An API host must be provided.")
+  }
+
   it should "validate default property values" in {
     val tmpwskprops = File.createTempFile("wskprops", ".tmp")
     val env = Map("WSK_CONFIG_FILE" -> tmpwskprops.getAbsolutePath())

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