🦊 Add display for directory config to -v option

Added a quick way to see if directories have been set up correctly. This
also eases testing for future ways of setting directories through
environment variables or options.

bemoji

@@ -33,14 +33,14 @@ usage() {
     echo "   -e             Only echo out the picked emoji."
     echo "   -D <choice>    Choose specific default lists to download if none found locally."
     echo "                  Valid choices: all|none|emoji|math."
-    echo "   -v             Display current program version."
+    echo "   -v             Display current program version and directory configuration."
     echo "   -h             Show this help."
     echo
     exit "$1"
 }
 
 version() {
-    printf "v%s" "$bm_version"
+    printf "v%s\ndatabase=%s\nhistory=%s\n" "$bm_version" "$bm_db_location" "$bm_history_file"
     exit
 }
 

test/bemoji.bats

@@ -10,6 +10,7 @@ setup() {
 
     # mock out interactive picker for static emoji return
     export BEMOJI_PICKER_CMD="echo ❤️"
+
     # set up small default set of test emoji for each test
     export BEMOJI_DB_LOCATION="$BATS_TEST_TMPDIR/database"
     export BEMOJI_CACHE_LOCATION="$BATS_TEST_TMPDIR/cache"
@@ -34,5 +35,35 @@ setup() {
     the_version=$(grep 'bm_version=' $(which bemoji))
 
     run bemoji -v
-    assert_output "v${the_version#bm_version=}"
+    assert_output --partial "v${the_version#bm_version=}"
+}
+
+@test "sets XDG directory for db by default" {
+    unset BEMOJI_DB_LOCATION
+    export XDG_DATA_HOME="$BATS_TEST_TMPDIR/xdb-db"
+    run bemoji -v
+    assert_output --regexp "
+database=$BATS_TEST_TMPDIR/xdb-db/bemoji
+"
+}
+
+@test "sets XDG directory for cache by default" {
+    unset BEMOJI_CACHE_LOCATION
+    export XDG_CACHE_HOME="$BATS_TEST_TMPDIR/xdb-cache"
+    run bemoji -v
+    assert_output --regexp "
+history=$BATS_TEST_TMPDIR/xdb-cache/bemoji-history.txt$"
+}
+
+@test "BEMOJI_DB_LOCATION sets correct db directory" {
+    run bemoji -v
+    assert_output --regexp "
+database=$BATS_TEST_TMPDIR/database
+"
+}
+
+@test "BEMOJI_CACHE_LOCATION sets correct cache directory" {
+    run bemoji -v
+    assert_output --regexp "
+history=$BATS_TEST_TMPDIR/cache/bemoji-history.txt$"
 }