Added some output to help if fn operation fails

Author: rikgibson

integration-tests/src/main/java/com/fnproject/fn/integrationtest/IntegrationTestRule.java

@@ -112,7 +112,6 @@ private CmdResult(String cmd, boolean success, String stdout, String stderr) {
 
         boolean isSuccess() {
             return success;
-
         }
 
         public String getStdout() {
@@ -123,7 +122,9 @@ public String getStderr() {
             return stderr;
         }
 
-
+        public String toString() {
+            return "CmdResult: cmd=" + cmd + ", success=" + success + ", stdout=" + stdout + ", stderr=" + stderr;
+        }
     }
 
     public class TestContext {
@@ -151,6 +152,9 @@ public TestContext withDirFrom(String location) throws IOException {
         public CmdResult runFnWithInput(String input, String... args) throws Exception {
             CmdResult res = runFnWithInputAllowError(input, args);
 
+            if (!res.isSuccess()) {
+                System.err.println(res);
+            }
             Assertions.assertThat(res.isSuccess()).withFailMessage("Expected command '" + res.cmd + "' to return 0").isTrue();
             return res;
         }

integration-tests/src/test/java/com/fnproject/fn/integrationtest/FunctionsTest.java

@@ -35,11 +35,9 @@ public void shouldCallExistingFn() throws Exception {
         tc.runFn("--verbose", "deploy", "--app", tc.appName(), "--local");
         tc.runFn("config", "app", tc.appName(), "GREETING", "Salutations");
 
-
         CmdResult r1 = tc.runFnWithInput("", "invoke", tc.appName(), "simplefunc");
         assertThat(r1.getStdout()).isEqualTo("Salutations, world!");
 
-
         CmdResult r2 = tc.runFnWithInput("tests", "invoke", tc.appName(), "simplefunc");
         assertThat(r2.getStdout()).isEqualTo("Salutations, tests!");
 
@@ -56,10 +54,6 @@ public void checkBoilerPlate() throws Exception {
                 tc.rewritePOM();
                 tc.runFn("--verbose", "deploy", "--app", tc.appName(), "--local");
                 CmdResult rs = tc.runFnWithInput("wibble", "invoke", tc.appName(), fnName);
-                System.out.println("TEST OUT: " + rs.getStdout());
-                System.out.println("TEST ERR: " + rs.getStderr());
-                Logger.getAnonymousLogger.log(Level.INFO, "TEST OUT: " + rs.getStdout());
-                Logger.getAnonymousLogger.log(Level.INFO, "TEST ERR: " + rs.getStderr());
                 assertThat(rs.getStdout()).contains("Hello, wibble!");
             }
         }