tests: Factor basic add/list, replace, priority testing out of t9999

add/list and replace are already covered by existing tests.
Add a new test, t1200-pri.sh, that handles the priority tests.

Signed-off-by: Emil Sit <sit@emilsit.net>

tests/t1200-pri.sh

@@ -0,0 +1,89 @@
+#!/bin/sh
+
+test_description='basic priority functionality
+'
+. ./test-lib.sh
+
+test_todo_session 'priority usage' <<EOF
+>>> todo.sh pri B B
+usage: $HOME/bin/todo.sh pri ITEM# PRIORITY
+note: PRIORITY must be anywhere from A to Z.
+=== 1
+EOF
+
+cat > todo.txt <<EOF
+smell the uppercase Roses +flowers @outside
+notice the sunflowers
+stop
+EOF
+test_todo_session 'basic priority' <<EOF
+>>> todo.sh list
+2 notice the sunflowers
+1 smell the uppercase Roses +flowers @outside
+3 stop
+--
+TODO: 3 of 3 tasks shown from $HOME/todo.txt
+
+>>> todo.sh pri 1 B
+1: (B) smell the uppercase Roses +flowers @outside
+TODO: 1 prioritized (B).
+
+>>> todo.sh list
+1 (B) smell the uppercase Roses +flowers @outside
+2 notice the sunflowers
+3 stop
+--
+TODO: 3 of 3 tasks shown from $HOME/todo.txt
+
+>>> todo.sh -p list
+1 (B) smell the uppercase Roses +flowers @outside
+2 notice the sunflowers
+3 stop
+--
+TODO: 3 of 3 tasks shown from $HOME/todo.txt
+
+>>> todo.sh pri 2 C
+2: (C) notice the sunflowers
+TODO: 2 prioritized (C).
+
+>>> todo.sh -p list
+1 (B) smell the uppercase Roses +flowers @outside
+2 (C) notice the sunflowers
+3 stop
+--
+TODO: 3 of 3 tasks shown from $HOME/todo.txt
+
+>>> todo.sh pri 2 A
+2: (A) notice the sunflowers
+TODO: 2 prioritized (A).
+
+>>> todo.sh -p list
+2 (A) notice the sunflowers
+1 (B) smell the uppercase Roses +flowers @outside
+3 stop
+--
+TODO: 3 of 3 tasks shown from $HOME/todo.txt
+
+>>> todo.sh pri 2 a
+2: (A) notice the sunflowers
+TODO: 2 prioritized (A).
+
+>>> todo.sh -p listpri
+2 (A) notice the sunflowers
+1 (B) smell the uppercase Roses +flowers @outside
+--
+TODO: 2 of 3 tasks shown from $HOME/todo.txt
+
+>>> todo.sh add "smell the coffee +wakeup"
+TODO: 'smell the coffee +wakeup' added on line 4.
+
+>>> todo.sh -p list
+2 (A) notice the sunflowers
+1 (B) smell the uppercase Roses +flowers @outside
+4 smell the coffee +wakeup
+3 stop
+--
+TODO: 4 of 4 tasks shown from $HOME/todo.txt
+EOF
+
+test_done