Improve tests by making use of local variables

1 files changed, 143 insertions, 173 deletions

diff --git a/test/segments/dir.spec b/test/segments/dir.spec
index 3e66e918..df80b23c 100755
--- a/test/segments/dir.spec
+++ b/test/segments/dir.spec
@@ -9,17 +9,12 @@ function setUp() {
   export TERM="xterm-256color"
   # Load Powerlevel9k
   source powerlevel9k.zsh-theme
-
-  # Every test should at least use the dir segment
-  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
-}
-
-function tearDown() {
-  unset POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
 }
 
 function testDirPathAbsoluteWorks() {
-  POWERLEVEL9K_DIR_PATH_ABSOLUTE=true
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_PATH_ABSOLUTE=true
 
   cd ~
 
@@ -33,14 +28,15 @@ function testDirPathAbsoluteWorks() {
   fi
 
   cd -
-  unset POWERLEVEL9K_DIR_PATH_ABSOLUTE
 }
 
 function testTruncateFoldersWorks() {
-  POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
-  POWERLEVEL9K_SHORTEN_STRATEGY='truncate_folders'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
+  local POWERLEVEL9K_SHORTEN_STRATEGY='truncate_folders'
 
-  FOLDER=/tmp/powerlevel9k-test/1/12/123/1234/12345/123456/1234567/12345678/123456789
+  local FOLDER=/tmp/powerlevel9k-test/1/12/123/1234/12345/123456/1234567/12345678/123456789
   mkdir -p $FOLDER
   cd $FOLDER
 
@@ -48,18 +44,16 @@ function testTruncateFoldersWorks() {
 
   cd -
   rm -fr /tmp/powerlevel9k-test
-
-  unset FOLDER
-  unset POWERLEVEL9K_SHORTEN_DIR_LENGTH
-  unset POWERLEVEL9K_SHORTEN_STRATEGY
 }
 
 function testTruncateFolderWithHomeDirWorks() {
-  POWERLEVEL9K_SHORTEN_DIR_LENGTH=1
-  CURRENT_DIR=$(pwd)
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_SHORTEN_DIR_LENGTH=1
+  local CURRENT_DIR=$(pwd)
 
   cd ~
-  FOLDER="powerlevel9k-test-${RANDOM}"
+  local FOLDER="powerlevel9k-test-${RANDOM}"
   mkdir -p $FOLDER
   cd $FOLDER
   # Switch back to home folder as this causes the problem.
@@ -69,17 +63,15 @@ function testTruncateFolderWithHomeDirWorks() {
 
   rmdir $FOLDER
   cd ${CURRENT_DIR}
-
-  unset CURRENT_DIR
-  unset FOLDER
-  unset POWERLEVEL9K_SHORTEN_DIR_LENGTH
 }
 
 function testTruncateMiddleWorks() {
-  POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
-  POWERLEVEL9K_SHORTEN_STRATEGY='truncate_middle'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
+  local POWERLEVEL9K_SHORTEN_STRATEGY='truncate_middle'
 
-  FOLDER=/tmp/powerlevel9k-test/1/12/123/1234/12345/123456/1234567/12345678/123456789
+  local FOLDER=/tmp/powerlevel9k-test/1/12/123/1234/12345/123456/1234567/12345678/123456789
   mkdir -p $FOLDER
   cd $FOLDER
 
@@ -87,17 +79,15 @@ function testTruncateMiddleWorks() {
 
   cd -
   rm -fr /tmp/powerlevel9k-test
-
-  unset FOLDER
-  unset POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
-  unset POWERLEVEL9K_SHORTEN_STRATEGY
 }
 
 function testTruncationFromRightWorks() {
-  POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
-  POWERLEVEL9K_SHORTEN_STRATEGY='truncate_from_right'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
+  local POWERLEVEL9K_SHORTEN_STRATEGY='truncate_from_right'
 
-  FOLDER=/tmp/powerlevel9k-test/1/12/123/1234/12345/123456/1234567/12345678/123456789
+  local FOLDER=/tmp/powerlevel9k-test/1/12/123/1234/12345/123456/1234567/12345678/123456789
   mkdir -p $FOLDER
   cd $FOLDER
 
@@ -105,17 +95,15 @@ function testTruncationFromRightWorks() {
 
   cd -
   rm -fr /tmp/powerlevel9k-test
-
-  unset FOLDER
-  unset POWERLEVEL9K_SHORTEN_DIR_LENGTH
-  unset POWERLEVEL9K_SHORTEN_STRATEGY
 }
 
 function testTruncateToLastWorks() {
-  POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
-  POWERLEVEL9K_SHORTEN_STRATEGY="truncate_to_last"
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
+  local POWERLEVEL9K_SHORTEN_STRATEGY="truncate_to_last"
 
-  FOLDER=/tmp/powerlevel9k-test/1/12/123/1234/12345/123456/1234567/12345678/123456789
+  local FOLDER=/tmp/powerlevel9k-test/1/12/123/1234/12345/123456/1234567/12345678/123456789
   mkdir -p $FOLDER
   cd $FOLDER
 
@@ -123,17 +111,15 @@ function testTruncateToLastWorks() {
 
   cd -
   rm -fr /tmp/powerlevel9k-test
-
-  unset FOLDER
-  unset POWERLEVEL9K_SHORTEN_DIR_LENGTH
-  unset POWERLEVEL9K_SHORTEN_STRATEGY
 }
 
 function testTruncateToFirstAndLastWorks() {
-  POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
-  POWERLEVEL9K_SHORTEN_STRATEGY="truncate_to_first_and_last"
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
+  local POWERLEVEL9K_SHORTEN_STRATEGY="truncate_to_first_and_last"
 
-  FOLDER=/tmp/powerlevel9k-test/1/12/123/1234/12345/123456/1234567/12345678/123456789
+  local FOLDER=/tmp/powerlevel9k-test/1/12/123/1234/12345/123456/1234567/12345678/123456789
   mkdir -p $FOLDER
   cd $FOLDER
 
@@ -141,17 +127,15 @@ function testTruncateToFirstAndLastWorks() {
 
   cd -
   rm -fr /tmp/powerlevel9k-test
-
-  unset FOLDER
-  unset POWERLEVEL9K_SHORTEN_DIR_LENGTH
-  unset POWERLEVEL9K_SHORTEN_STRATEGY
 }
 
 function testTruncateAbsoluteWorks() {
-  POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
-  POWERLEVEL9K_SHORTEN_STRATEGY="truncate_absolute"
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
+  local POWERLEVEL9K_SHORTEN_STRATEGY="truncate_absolute"
 
-  FOLDER=/tmp/powerlevel9k-test/1/12/123/1234/12345/123456/1234567/12345678/123456789
+  local FOLDER=/tmp/powerlevel9k-test/1/12/123/1234/12345/123456/1234567/12345678/123456789
   mkdir -p $FOLDER
   cd $FOLDER
 
@@ -159,18 +143,16 @@ function testTruncateAbsoluteWorks() {
 
   cd -
   rm -fr /tmp/powerlevel9k-test
-
-  unset FOLDER
-  unset POWERLEVEL9K_SHORTEN_DIR_LENGTH
-  unset POWERLEVEL9K_SHORTEN_STRATEGY
 }
 
 function testTruncationFromRightWithEmptyDelimiter() {
-  POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
-  POWERLEVEL9K_SHORTEN_DELIMITER=""
-  POWERLEVEL9K_SHORTEN_STRATEGY='truncate_from_right'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
+  local POWERLEVEL9K_SHORTEN_DELIMITER=""
+  local POWERLEVEL9K_SHORTEN_STRATEGY='truncate_from_right'
 
-  FOLDER=/tmp/powerlevel9k-test/1/12/123/1234/12345/123456/1234567/12345678/123456789
+  local FOLDER=/tmp/powerlevel9k-test/1/12/123/1234/12345/123456/1234567/12345678/123456789
   mkdir -p $FOLDER
   cd $FOLDER
 
@@ -178,16 +160,12 @@ function testTruncationFromRightWithEmptyDelimiter() {
 
   cd -
   rm -fr /tmp/powerlevel9k-test
-
-  unset FOLDER
-  unset POWERLEVEL9K_SHORTEN_DIR_LENGTH
-  unset POWERLEVEL9K_SHORTEN_DELIMITER
-  unset POWERLEVEL9K_SHORTEN_STRATEGY
 }
 
 function testTruncateWithFolderMarkerWorks() {
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
   POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
-  POWERLEVEL9K_SHORTEN_STRATEGY="truncate_with_folder_marker"
+  local POWERLEVEL9K_SHORTEN_STRATEGY="truncate_with_folder_marker"
 
   local BASEFOLDER=/tmp/powerlevel9k-test
   local FOLDER=$BASEFOLDER/1/12/123/1234/12345/123456/1234567
@@ -199,16 +177,13 @@ function testTruncateWithFolderMarkerWorks() {
 
   cd -
   rm -fr $BASEFOLDER
-  unset BASEFOLDER
-  unset FOLDER
-  unset POWERLEVEL9K_SHORTEN_STRATEGY
-  unset POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
 }
 
 function testTruncateWithFolderMarkerWithChangedFolderMarker() {
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
   POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
-  POWERLEVEL9K_SHORTEN_STRATEGY="truncate_with_folder_marker"
-  POWERLEVEL9K_SHORTEN_FOLDER_MARKER='.xxx'
+  local POWERLEVEL9K_SHORTEN_STRATEGY="truncate_with_folder_marker"
+  local POWERLEVEL9K_SHORTEN_FOLDER_MARKER='.xxx'
 
   local BASEFOLDER=/tmp/powerlevel9k-test
   local FOLDER=$BASEFOLDER/1/12/123/1234/12345/123456/1234567
@@ -220,11 +195,6 @@ function testTruncateWithFolderMarkerWithChangedFolderMarker() {
 
   cd -
   rm -fr $BASEFOLDER
-  unset BASEFOLDER
-  unset FOLDER
-  unset POWERLEVEL9K_SHORTEN_FOLDER_MARKER
-  unset POWERLEVEL9K_SHORTEN_STRATEGY
-  unset POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
 }
 
 function testTruncateWithPackageNameWorks() {
@@ -245,18 +215,16 @@ function testTruncateWithPackageNameWorks() {
   # Go back to deeper folder
   cd "${FOLDER}"
 
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
   POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
-  POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
-  POWERLEVEL9K_SHORTEN_STRATEGY='truncate_with_package_name'
+  local POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
+  local POWERLEVEL9K_SHORTEN_STRATEGY='truncate_with_package_name'
 
   assertEquals "%K{blue} %F{black}My_Package/1/12/123/12…/12…/12…/12…/12…/123456789 %k%F{blue}%f " "$(build_left_prompt)"
 
   # Go back
   cd $p9kFolder
   rm -fr $BASEFOLDER
-  unset POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
-  unset POWERLEVEL9K_SHORTEN_STRATEGY
-  unset POWERLEVEL9K_SHORTEN_DIR_LENGTH
 }
 
 function testTruncateWithPackageNameIfRepoIsSymlinkedInsideDeepFolder() {
@@ -284,18 +252,16 @@ function testTruncateWithPackageNameIfRepoIsSymlinkedInsideDeepFolder() {
   # Go to deep folder inside linked repo
   cd linked-repo/asdfasdf/qwerqwer
 
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
   POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
-  POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
-  POWERLEVEL9K_SHORTEN_STRATEGY='truncate_with_package_name'
+  local POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
+  local POWERLEVEL9K_SHORTEN_STRATEGY='truncate_with_package_name'
 
   assertEquals "%K{blue} %F{black}My_Package/as…/qwerqwer %k%F{blue}%f " "$(build_left_prompt)"
 
   # Go back
   cd $p9kFolder
   rm -fr $BASEFOLDER
-  unset POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
-  unset POWERLEVEL9K_SHORTEN_STRATEGY
-  unset POWERLEVEL9K_SHORTEN_DIR_LENGTH
 }
 
 function testTruncateWithPackageNameIfRepoIsSymlinkedInsideGitDir() {
@@ -319,60 +285,61 @@ function testTruncateWithPackageNameIfRepoIsSymlinkedInsideGitDir() {
 
   cd linked-repo/.git/refs/heads
 
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
   POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
-  POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
-  POWERLEVEL9K_SHORTEN_STRATEGY='truncate_with_package_name'
+  local POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
+  local POWERLEVEL9K_SHORTEN_STRATEGY='truncate_with_package_name'
 
   assertEquals "%K{blue} %F{black}My_Package/.g…/re…/heads %k%F{blue}%f " "$(build_left_prompt)"
 
   # Go back
   cd $p9kFolder
   rm -fr $BASEFOLDER
-  unset POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
-  unset POWERLEVEL9K_SHORTEN_STRATEGY
-  unset POWERLEVEL9K_SHORTEN_DIR_LENGTH
 }
 
 function testHomeFolderDetectionWorks() {
-  POWERLEVEL9K_HOME_ICON='home-icon'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_HOME_ICON='home-icon'
 
   cd ~
   assertEquals "%K{blue} %F{black%}home-icon %f%F{black}~ %k%F{blue}%f " "$(build_left_prompt)"
 
   cd -
-  unset POWERLEVEL9K_HOME_ICON
 }
 
 function testHomeSubfolderDetectionWorks() {
-  POWERLEVEL9K_HOME_SUB_ICON='sub-icon'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_HOME_SUB_ICON='sub-icon'
 
-  FOLDER=~/powerlevel9k-test
+  local FOLDER=~/powerlevel9k-test
   mkdir $FOLDER
   cd $FOLDER
   assertEquals "%K{blue} %F{black%}sub-icon %f%F{black}~/powerlevel9k-test %k%F{blue}%f " "$(build_left_prompt)"
 
   cd -
   rm -fr $FOLDER
-  unset FOLDER
-  unset POWERLEVEL9K_HOME_SUB_ICON
 }
 
 function testOtherFolderDetectionWorks() {
-  POWERLEVEL9K_FOLDER_ICON='folder-icon'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_FOLDER_ICON='folder-icon'
 
-  FOLDER=/tmp/powerlevel9k-test
+  local FOLDER=/tmp/powerlevel9k-test
   mkdir $FOLDER
   cd $FOLDER
   assertEquals "%K{blue} %F{black%}folder-icon %f%F{black}/tmp/powerlevel9k-test %k%F{blue}%f " "$(build_left_prompt)"
 
   cd -
   rm -fr $FOLDER
-  unset FOLDER
-  unset POWERLEVEL9K_FOLDER_ICON
 }
 
 function testChangingDirPathSeparator() {
-  POWERLEVEL9K_DIR_PATH_SEPARATOR='xXx'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_PATH_SEPARATOR='xXx'
   local FOLDER="/tmp/powerlevel9k-test/1/2"
   mkdir -p $FOLDER
   cd $FOLDER
@@ -380,12 +347,12 @@ function testChangingDirPathSeparator() {
   assertEquals "%K{blue} %F{black}xXxtmpxXxpowerlevel9k-testxXx1xXx2 %k%F{blue}%f " "$(build_left_prompt)"
 
   cd -
-  unset FOLDER
   rm -fr /tmp/powerlevel9k-test
-  unset POWERLEVEL9K_DIR_PATH_SEPARATOR
 }
 
 function testHomeFolderAbbreviation() {
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
   local POWERLEVEL9K_HOME_FOLDER_ABBREVIATION
   local dir=$PWD
 
@@ -411,21 +378,23 @@ function testHomeFolderAbbreviation() {
 }
 
 function testOmittingFirstCharacterWorks() {
-  POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER=true
-  POWERLEVEL9K_FOLDER_ICON='folder-icon'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER=true
+  local POWERLEVEL9K_FOLDER_ICON='folder-icon'
   cd /tmp
 
   assertEquals "%K{blue} %F{black%}folder-icon %f%F{black}tmp %k%F{blue}%f " "$(build_left_prompt)"
 
   cd -
-  unset POWERLEVEL9K_FOLDER_ICON
-  unset POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER
 }
 
 function testOmittingFirstCharacterWorksWithChangingPathSeparator() {
-  POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER=true
-  POWERLEVEL9K_DIR_PATH_SEPARATOR='xXx'
-  POWERLEVEL9K_FOLDER_ICON='folder-icon'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER=true
+  local POWERLEVEL9K_DIR_PATH_SEPARATOR='xXx'
+  local POWERLEVEL9K_FOLDER_ICON='folder-icon'
   mkdir -p /tmp/powerlevel9k-test/1/2
   cd /tmp/powerlevel9k-test/1/2
 
@@ -433,9 +402,6 @@ function testOmittingFirstCharacterWorksWithChangingPathSeparator() {
 
   cd -
   rm -fr /tmp/powerlevel9k-test
-  unset POWERLEVEL9K_FOLDER_ICON
-  unset POWERLEVEL9K_DIR_PATH_SEPARATOR
-  unset POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER
 }
 
 # This test makes it obvious that combining a truncation strategy
@@ -446,10 +412,12 @@ function testOmittingFirstCharacterWorksWithChangingPathSeparator() {
 # But it does more sense in combination with other truncation
 # strategies.
 function testOmittingFirstCharacterWorksWithChangingPathSeparatorAndDefaultTruncation() {
-  POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER=true
-  POWERLEVEL9K_DIR_PATH_SEPARATOR='xXx'
-  POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
-  POWERLEVEL9K_SHORTEN_STRATEGY='truncate_folders'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER=true
+  local POWERLEVEL9K_DIR_PATH_SEPARATOR='xXx'
+  local POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
+  local POWERLEVEL9K_SHORTEN_STRATEGY='truncate_folders'
   mkdir -p /tmp/powerlevel9k-test/1/2
   cd /tmp/powerlevel9k-test/1/2
 
@@ -457,17 +425,15 @@ function testOmittingFirstCharacterWorksWithChangingPathSeparatorAndDefaultTrunc
 
   cd -
   rm -fr /tmp/powerlevel9k-test
-  unset POWERLEVEL9K_DIR_PATH_SEPARATOR
-  unset POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER
-  unset POWERLEVEL9K_SHORTEN_DIR_LENGTH
-  unset POWERLEVEL9K_SHORTEN_STRATEGY
 }
 
 function testOmittingFirstCharacterWorksWithChangingPathSeparatorAndMiddleTruncation() {
-  POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER=true
-  POWERLEVEL9K_DIR_PATH_SEPARATOR='xXx'
-  POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
-  POWERLEVEL9K_SHORTEN_STRATEGY='truncate_middle'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER=true
+  local POWERLEVEL9K_DIR_PATH_SEPARATOR='xXx'
+  local POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
+  local POWERLEVEL9K_SHORTEN_STRATEGY='truncate_middle'
   mkdir -p /tmp/powerlevel9k-test/1/2
   cd /tmp/powerlevel9k-test/1/2
 
@@ -475,17 +441,15 @@ function testOmittingFirstCharacterWorksWithChangingPathSeparatorAndMiddleTrunca
 
   cd -
   rm -fr /tmp/powerlevel9k-test
-  unset POWERLEVEL9K_DIR_PATH_SEPARATOR
-  unset POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER
-  unset POWERLEVEL9K_SHORTEN_DIR_LENGTH
-  unset POWERLEVEL9K_SHORTEN_STRATEGY
 }
 
 function testOmittingFirstCharacterWorksWithChangingPathSeparatorAndRightTruncation() {
-  POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER=true
-  POWERLEVEL9K_DIR_PATH_SEPARATOR='xXx'
-  POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
-  POWERLEVEL9K_SHORTEN_STRATEGY='truncate_from_right'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER=true
+  local POWERLEVEL9K_DIR_PATH_SEPARATOR='xXx'
+  local POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
+  local POWERLEVEL9K_SHORTEN_STRATEGY='truncate_from_right'
   mkdir -p /tmp/powerlevel9k-test/1/2
   cd /tmp/powerlevel9k-test/1/2
 
@@ -493,17 +457,15 @@ function testOmittingFirstCharacterWorksWithChangingPathSeparatorAndRightTruncat
 
   cd -
   rm -fr /tmp/powerlevel9k-test
-  unset POWERLEVEL9K_DIR_PATH_SEPARATOR
-  unset POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER
-  unset POWERLEVEL9K_SHORTEN_DIR_LENGTH
-  unset POWERLEVEL9K_SHORTEN_STRATEGY
 }
 
 function testTruncateToUniqueWorks() {
-  POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER=true
-  POWERLEVEL9K_DIR_PATH_SEPARATOR='xXx'
-  POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
-  POWERLEVEL9K_SHORTEN_STRATEGY='truncate_to_unique'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER=true
+  local POWERLEVEL9K_DIR_PATH_SEPARATOR='xXx'
+  local POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
+  local POWERLEVEL9K_SHORTEN_STRATEGY='truncate_to_unique'
   mkdir -p /tmp/powerlevel9k-test/adam/devl
   mkdir -p /tmp/powerlevel9k-test/alice/devl
   mkdir -p /tmp/powerlevel9k-test/alice/docs
@@ -514,24 +476,23 @@ function testTruncateToUniqueWorks() {
 
   cd -
   rm -fr /tmp/powerlevel9k-test
-  unset POWERLEVEL9K_DIR_PATH_SEPARATOR
-  unset POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER
-  unset POWERLEVEL9K_SHORTEN_DIR_LENGTH
-  unset POWERLEVEL9K_SHORTEN_STRATEGY
 }
 
 function testBoldHomeDirWorks() {
-  POWERLEVEL9K_DIR_PATH_HIGHLIGHT_BOLD=true
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_PATH_HIGHLIGHT_BOLD=true
   cd ~
 
   assertEquals "%K{blue} %F{black}%B~%b %k%F{blue}%f " "$(build_left_prompt)"
 
   cd -
-  unset POWERLEVEL9K_DIR_PATH_HIGHLIGHT_BOLD
 }
 
 function testBoldHomeSubdirWorks() {
-  POWERLEVEL9K_DIR_PATH_HIGHLIGHT_BOLD=true
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_PATH_HIGHLIGHT_BOLD=true
   mkdir -p ~/powerlevel9k-test
   cd ~/powerlevel9k-test
 
@@ -539,31 +500,34 @@ function testBoldHomeSubdirWorks() {
 
   cd -
   rm -fr ~/powerlevel9k-test
-  unset POWERLEVEL9K_DIR_PATH_HIGHLIGHT_BOLD
 }
 
 function testBoldRootDirWorks() {
-  POWERLEVEL9K_DIR_PATH_HIGHLIGHT_BOLD=true
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_PATH_HIGHLIGHT_BOLD=true
   cd /
 
   assertEquals "%K{blue} %F{black}%B/%b %k%F{blue}%f " "$(build_left_prompt)"
 
   cd -
-  unset POWERLEVEL9K_DIR_PATH_HIGHLIGHT_BOLD
 }
 
 function testBoldRootSubdirWorks() {
-  POWERLEVEL9K_DIR_PATH_HIGHLIGHT_BOLD=true
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_PATH_HIGHLIGHT_BOLD=true
   cd /tmp
 
   assertEquals "%K{blue} %F{black}/%Btmp%b %k%F{blue}%f " "$(build_left_prompt)"
 
   cd -
-  unset POWERLEVEL9K_DIR_PATH_HIGHLIGHT_BOLD
 }
 
 function testBoldRootSubSubdirWorks() {
-  POWERLEVEL9K_DIR_PATH_HIGHLIGHT_BOLD=true
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_PATH_HIGHLIGHT_BOLD=true
   mkdir -p /tmp/powerlevel9k-test
   cd /tmp/powerlevel9k-test
 
@@ -571,21 +535,23 @@ function testBoldRootSubSubdirWorks() {
 
   cd -
   rm -fr /tmp/powerlevel9k-test
-  unset POWERLEVEL9K_DIR_PATH_HIGHLIGHT_BOLD
 }
 
 function testHighlightHomeWorks() {
-  POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND='red'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND='red'
   cd ~
 
   assertEquals "%K{blue} %F{black}%F{red}~ %k%F{blue}%f " "$(build_left_prompt)"
 
   cd -
-  unset POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND
 }
 
 function testHighlightHomeSubdirWorks() {
-  POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND='red'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND='red'
   mkdir -p ~/powerlevel9k-test
   cd ~/powerlevel9k-test
 
@@ -593,31 +559,34 @@ function testHighlightHomeSubdirWorks() {
 
   cd -
   rm -fr ~/powerlevel9k-test
-  unset POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND
 }
 
 function testHighlightRootWorks() {
-  POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND='red'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND='red'
   cd /
 
   assertEquals "%K{blue} %F{black}%F{red}/ %k%F{blue}%f " "$(build_left_prompt)"
 
   cd -
-  unset POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND
 }
 
 function testHighlightRootSubdirWorks() {
-  POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND='red'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND='red'
   cd /tmp
 
   assertEquals "%K{blue} %F{black}/%F{red}tmp %k%F{blue}%f " "$(build_left_prompt)"
 
   cd -
-  unset POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND
 }
 
 function testHighlightRootSubSubdirWorks() {
-  POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND='red'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND='red'
   mkdir /tmp/powerlevel9k-test
   cd /tmp/powerlevel9k-test
 
@@ -625,11 +594,12 @@ function testHighlightRootSubSubdirWorks() {
 
   cd -
   rm -fr /tmp/powerlevel9k-test
-  unset POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND
 }
 
 function testDirSeparatorColorHomeSubdirWorks() {
-  POWERLEVEL9K_DIR_PATH_SEPARATOR_FOREGROUND='red'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_PATH_SEPARATOR_FOREGROUND='red'
   mkdir -p ~/powerlevel9k-test
   cd ~/powerlevel9k-test
 
@@ -637,11 +607,12 @@ function testDirSeparatorColorHomeSubdirWorks() {
 
   cd -
   rm -fr ~/powerlevel9k-test
-  unset POWERLEVEL9K_DIR_PATH_SEPARATOR_FOREGROUND
 }
 
 function testDirSeparatorColorRootSubSubdirWorks() {
-  POWERLEVEL9K_DIR_PATH_SEPARATOR_FOREGROUND='red'
+  local -a POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  local POWERLEVEL9K_DIR_PATH_SEPARATOR_FOREGROUND='red'
   mkdir -p /tmp/powerlevel9k-test
   cd /tmp/powerlevel9k-test
 
@@ -649,7 +620,6 @@ function testDirSeparatorColorRootSubSubdirWorks() {
 
   cd -
   rm -fr /tmp/powerlevel9k-test
-  unset POWERLEVEL9K_DIR_PATH_SEPARATOR_FOREGROUND
 }
 
 source shunit2/source/2.1/src/shunit2