Add tests for disk_usage segment

test/segments/disk_usage.spec

@@ -0,0 +1,112 @@
+#!/usr/bin/env zsh
+#vim:ft=zsh ts=2 sw=2 sts=2 et fenc=utf-8
+
+# Required for shunit2 to run correctly
+setopt shwordsplit
+SHUNIT_PARENT=$0
+
+function setUp() {
+  export TERM="xterm-256color"
+  # Load Powerlevel9k
+  source powerlevel9k.zsh-theme
+
+  # Test specific
+  P9K_HOME=$(pwd)
+  FOLDER=/tmp/powerlevel9k-test
+  mkdir -p $FOLDER
+  cd $FOLDER
+}
+
+function tearDown() {
+  # Go back to powerlevel9k folder
+  cd "${P9K_HOME}"
+  # Remove eventually created test-specific folder
+  rm -fr "${FOLDER}"
+  # At least remove test folder completely
+  rm -fr /tmp/powerlevel9k-test
+  unset FOLDER
+  unset P9K_HOME
+
+  # Remove IP cache file
+  rm -f ${POWERLEVEL9K_PUBLIC_IP_FILE}
+}
+
+function testDiskUsageSegmentWhenDiskIsAlmostFull() {
+  df() {
+      echo "Filesystem     1K-blocks      Used Available Use% Mounted on
+/dev/disk1     487219288 471466944  15496344  97% /"
+  }
+  local POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(disk_usage)
+
+  assertEquals "%K{red} %F{white%}hdd  %f%F{white}97%% %k%F{red}%f " "$(build_left_prompt)"
+
+  unfunction df
+}
+
+function testDiskUsageSegmentWhenDiskIsVeryFull() {
+  df() {
+      echo "Filesystem     1K-blocks      Used Available Use% Mounted on
+/dev/disk1     487219288 471466944  15496344  94% /"
+  }
+  local POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(disk_usage)
+
+  assertEquals "%K{yellow} %F{black%}hdd  %f%F{black}94%% %k%F{yellow}%f " "$(build_left_prompt)"
+
+  unfunction df
+}
+
+function testDiskUsageSegmentWhenDiskIsQuiteEmpty() {
+  df() {
+      echo "Filesystem     1K-blocks      Used Available Use% Mounted on
+/dev/disk1     487219288 471466944  15496344  4% /"
+  }
+  local POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(disk_usage)
+
+  assertEquals "%K{black} %F{yellow%}hdd  %f%F{yellow}4%% %k%F{black}%f " "$(build_left_prompt)"
+
+  unfunction df
+}
+
+function testDiskUsageSegmentPrintsNothingIfDiskIsQuiteEmptyAndOnlyWarningsShouldBeDisplayed() {
+  df() {
+      echo "Filesystem     1K-blocks      Used Available Use% Mounted on
+/dev/disk1     487219288 471466944  15496344  4% /"
+  }
+
+  local POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(disk_usage custom_world)
+  local POWERLEVEL9K_DISK_USAGE_ONLY_WARNING=true
+  local POWERLEVEL9K_CUSTOM_WORLD='echo world'
+
+  assertEquals "%K{white} %F{black}world %k%F{white}%f " "$(build_left_prompt)"
+
+  unfunction df
+}
+
+function testDiskUsageSegmentWarningLevelCouldBeAdjusted() {
+  df() {
+    echo "Filesystem     1K-blocks      Used Available Use% Mounted on
+/dev/disk1     487219288 471466944  15496344  11% /"
+  }
+  local POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(disk_usage)
+  local POWERLEVEL9K_DISK_USAGE_WARNING_LEVEL=10
+
+  assertEquals "%K{yellow} %F{black%}hdd  %f%F{black}11%% %k%F{yellow}%f " "$(build_left_prompt)"
+
+  unfunction df
+}
+
+function testDiskUsageSegmentCriticalLevelCouldBeAdjusted() {
+  df() {
+    echo "Filesystem     1K-blocks      Used Available Use% Mounted on
+/dev/disk1     487219288 471466944  15496344  11% /"
+  }
+  local POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(disk_usage)
+  local POWERLEVEL9K_DISK_USAGE_WARNING_LEVEL=5
+  local POWERLEVEL9K_DISK_USAGE_CRITICAL_LEVEL=10
+
+  assertEquals "%K{red} %F{white%}hdd  %f%F{white}11%% %k%F{red}%f " "$(build_left_prompt)"
+
+  unfunction df
+}
+
+source shunit2/source/2.1/src/shunit2