Add & implement askNecessaryQuestions

spec/answerQuestionsFromConfigOrAskUser_spec.sh

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+Describe 'answerQuestionsFromConfigOrAskUser'
+  Include ./install.sh
+  mod="testmod"
+
+  It 'does nothing if module has no questions' 
+    declare -A questions=()
+    When call answerQuestionsFromConfigOrAskUser 
+    The output should eq ''
+    The variable 'questions' should eq ''
+    The status should be success
+  End
+
+  It 'asks the user if the question is not in the config' 
+    declare -A questions=([question-one]=$'What is your favorite color?\ninfo')
+    Data 'blue'
+    config() {}
+    When call answerQuestionsFromConfigOrAskUser
+    The output should eq "What is your favorite color? "
+    The status should be success
+  End
+
+  It 'does not ask the user if the question is stored in the config' 
+    declare -A questions=([question-one]=$'What is your favorite color?\ninfo')
+    config() { [ "${1}" = read ] && echo red; }
+    When call answerQuestionsFromConfigOrAskUser
+    The output should eq ''
+    The status should be success
+  End
+
+  It 'stores the answer in the answers array if asking user'
+    declare -A answers
+    declare -A questions=([question-one]=$'What is your favorite color?\ninfo')
+    config() {}
+    Data 'blue'
+    When call answerQuestionsFromConfigOrAskUser
+    The output should eq "What is your favorite color? "
+    The variable "answers[${mod}_question-one]" should eq 'blue'
+    The status should be success
+  End
+
+  It 'stores the answer in the answers array if retrieving from config'
+    declare -A answers
+    declare -A questions=([question-one]=$'What is your favorite color?\ninfo')
+    config() { [ "${1}" = read ] && echo red; }
+    When call answerQuestionsFromConfigOrAskUser
+    The output should eq ''
+    The variable "answers[${mod}_question-one]" should eq 'red'
+    The status should be success
+  End
+
+  It 'stores the user answer to config'
+    declare -A answers
+    declare -A questions=([question-one]=$'What is your favorite color?\ninfo')
+    writtenValue=""
+    Data 'red'
+    config() { [ "${1}" = read ] && return; [ "${1}" = write ] && writtenValue="${2}" }
+    When call answerQuestionsFromConfigOrAskUser
+    The output should eq "What is your favorite color? "
+    The variable "answers[${mod}_question-one]" should eq 'red'
+    Assert test "${writtenValue}" = 'red'
+    The status should be success
+  End
+End