From ded012e1d668668d7691e367681ed007b757efc4 Mon Sep 17 00:00:00 2001
From: Allen Wittenauer <aw@apache.org>
Date: Mon, 19 Oct 2015 15:38:42 -0700
Subject: [PATCH] HADOOP-12493. bash unit tests are failing (aw)

---
 .../hadoop-common/src/main/bin/hadoop-functions.sh        | 7 ++++++-
 .../test/scripts/hadoop_add_to_classpath_userpath.bats    | 8 ++++----
 .../hadoop-common/src/test/scripts/hadoop_basic_init.bats | 4 ++--
 .../hadoop-common/src/test/scripts/hadoop_ssh.bats        | 8 ++++----
 4 files changed, 16 insertions(+), 11 deletions(-)

diff --git a/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh b/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh
index e81216acb11..dcf1de88d6f 100755
--- a/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh
+++ b/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh
@@ -512,7 +512,10 @@ function hadoop_basic_init
     exit 1
   fi
 
+  # if for some reason the shell doesn't have $USER defined
+  # let's define it as 'hadoop'
   HADOOP_IDENT_STRING=${HADOOP_IDENT_STRING:-$USER}
+  HADOOP_IDENT_STRING=${HADOOP_IDENT_STRING:-hadoop}
   HADOOP_LOG_DIR=${HADOOP_LOG_DIR:-"${HADOOP_PREFIX}/logs"}
   HADOOP_LOGFILE=${HADOOP_LOGFILE:-hadoop.log}
   HADOOP_LOGLEVEL=${HADOOP_LOGLEVEL:-INFO}
@@ -963,7 +966,9 @@ function hadoop_add_to_classpath_userpath
       array[${c}]=${idx}
       ((c=c+1))
     done
-    ((j=c-1))
+
+    # bats gets confused by j getting set to 0
+    ((j=c-1)) || ${QATESTMODE}
 
     if [[ -z "${HADOOP_USE_CLIENT_CLASSLOADER}" ]]; then
       if [[ -z "${HADOOP_USER_CLASSPATH_FIRST}" ]]; then
diff --git a/hadoop-common-project/hadoop-common/src/test/scripts/hadoop_add_to_classpath_userpath.bats b/hadoop-common-project/hadoop-common/src/test/scripts/hadoop_add_to_classpath_userpath.bats
index 4d6667f874d..a25c6b39c45 100644
--- a/hadoop-common-project/hadoop-common/src/test/scripts/hadoop_add_to_classpath_userpath.bats
+++ b/hadoop-common-project/hadoop-common/src/test/scripts/hadoop_add_to_classpath_userpath.bats
@@ -72,7 +72,7 @@ createdirs () {
    HADOOP_USER_CLASSPATH_FIRST=""
    hadoop_add_to_classpath_userpath
    echo ">${CLASSPATH}<"
-   [ ${CLASSPATH} = "${TMP}/foo" ]
+   [ "${CLASSPATH}" = "${TMP}/foo" ]
 }
 
 @test "hadoop_add_to_classpath_userpath (3+2 after)" {
@@ -83,7 +83,7 @@ createdirs () {
    HADOOP_USER_CLASSPATH_FIRST=""
    hadoop_add_to_classpath_userpath
    echo ">${CLASSPATH}<"
-   [ ${CLASSPATH} = "${TMP}/foo:${TMP}/bar:${TMP}/baz:${TMP}/new:${TMP}/old" ]
+   [ "${CLASSPATH}" = "${TMP}/foo:${TMP}/bar:${TMP}/baz:${TMP}/new:${TMP}/old" ]
 }
 
 @test "hadoop_add_to_classpath_userpath (3+2 before)" {
@@ -94,5 +94,5 @@ createdirs () {
    HADOOP_USER_CLASSPATH_FIRST="true"
    hadoop_add_to_classpath_userpath
    echo ">${CLASSPATH}<"
-   [ ${CLASSPATH} = "${TMP}/new:${TMP}/old:${TMP}/foo:${TMP}/bar:${TMP}/baz" ]
-}
\ No newline at end of file
+   [ "${CLASSPATH}" = "${TMP}/new:${TMP}/old:${TMP}/foo:${TMP}/bar:${TMP}/baz" ]
+}
diff --git a/hadoop-common-project/hadoop-common/src/test/scripts/hadoop_basic_init.bats b/hadoop-common-project/hadoop-common/src/test/scripts/hadoop_basic_init.bats
index 74e2497e451..02ed4a1c76e 100644
--- a/hadoop-common-project/hadoop-common/src/test/scripts/hadoop_basic_init.bats
+++ b/hadoop-common-project/hadoop-common/src/test/scripts/hadoop_basic_init.bats
@@ -69,7 +69,7 @@ check_var_values () {
     eval ${j}=${i}
     hadoop_basic_init
     echo "Verifying $j has >${i}< >${!j}<"
-    [ ${!j} = ${i} ]
+    [ "${!j}" = "${i}" ]
   done
 }
 
@@ -89,6 +89,6 @@ check_var_values () {
     hadoop_basic_init
     check_var_values
     echo "Verifying $j has foo >${!j}<"
-    [ ${j} = foo ]
+    [ "${j}" = "foo" ]
   done
 }
diff --git a/hadoop-common-project/hadoop-common/src/test/scripts/hadoop_ssh.bats b/hadoop-common-project/hadoop-common/src/test/scripts/hadoop_ssh.bats
index 53e86ce588e..2520a1ce0c4 100644
--- a/hadoop-common-project/hadoop-common/src/test/scripts/hadoop_ssh.bats
+++ b/hadoop-common-project/hadoop-common/src/test/scripts/hadoop_ssh.bats
@@ -32,20 +32,20 @@ load hadoop-functions_test_helper
 
 @test "hadoop_common_slave_mode_execute (--slaves 1)" {
   run  hadoop_common_slave_mode_execute --slaves command
-  [ ${output} = command ]
+  [ "${output}" = "command" ]
 }
 
 @test "hadoop_common_slave_mode_execute (--slaves 2)" {
   run  hadoop_common_slave_mode_execute --slaves command1 command2
-  [ ${output} = "command1 command2" ]
+  [ "${output}" = "command1 command2" ]
 }
 
 @test "hadoop_common_slave_mode_execute (--hosts)" {
   run  hadoop_common_slave_mode_execute --hosts filename command
-  [ ${output} = command ]
+  [ "${output}" = "command" ]
 }
 
 @test "hadoop_common_slave_mode_execute (--hostnames 2)" {
   run  hadoop_common_slave_mode_execute --hostnames "host1,host2" command1 command2
-  [ ${output} = "command1 command2" ]
+  [ "${output}" = "command1 command2" ]
 }
\ No newline at end of file