Add tests for ssh segment

test/segments/ssh.spec

@@ -0,0 +1,70 @@
+#!/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
+}
+
+function mockRust() {
+  echo 'rustc  0.4.1a-alpha'
+}
+
+function testSshSegmentPrintsNothingIfNoSshConnection() {
+  local POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(ssh custom_world)
+  local POWERLEVEL9K_CUSTOM_WORLD='echo "world"'
+  local POWERLEVEL9K_SSH_ICON="ssh-icon"
+  # Weak test: Emulate No SSH connection by unsetting
+  # $SSH_CLIENT and $SSH_TTY
+  unset SSH_CLIENT
+  unset SSH_TTY
+
+  assertEquals "%K{white} %F{black}world %k%F{white}%f " "$(build_left_prompt)"
+}
+
+function testSshSegmentWorksIfOnlySshClientIsSet() {
+  local POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(ssh)
+  local POWERLEVEL9K_SSH_ICON="ssh-icon"
+  # Weak test: Emulate No SSH connection by unsetting
+  # $SSH_CLIENT and $SSH_TTY
+  SSH_CLIENT='ssh-client'
+  unset SSH_TTY
+
+  assertEquals "%K{black} %F{yellow%}ssh-icon%f %k%F{black}%f " "$(build_left_prompt)"
+
+  unset SSH_CLIENT
+}
+
+function testSshSegmentWorksIfOnlySshTtyIsSet() {
+  local POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(ssh)
+  local POWERLEVEL9K_SSH_ICON="ssh-icon"
+  # Weak test: Emulate No SSH connection by unsetting
+  # $SSH_CLIENT and $SSH_TTY
+  SSH_TTY='ssh-tty'
+  unset SSH_CLIENT
+
+  assertEquals "%K{black} %F{yellow%}ssh-icon%f %k%F{black}%f " "$(build_left_prompt)"
+
+  unset SSH_TTY
+}
+
+function testSshSegmentWorksIfAllNecessaryVariablesAreSet() {
+  local POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(ssh)
+  local POWERLEVEL9K_SSH_ICON="ssh-icon"
+  # Weak test: Emulate No SSH connection by unsetting
+  # $SSH_CLIENT and $SSH_TTY
+  SSH_CLIENT='ssh-client'
+  SSH_TTY='ssh-tty'
+
+  assertEquals "%K{black} %F{yellow%}ssh-icon%f %k%F{black}%f " "$(build_left_prompt)"
+
+  unset SSH_TTY
+  unset SSH_CLIENT
+}
+
+source shunit2/source/2.1/src/shunit2