Add help for listtags

tag.sh

@@ -18,7 +18,14 @@ set -ueo pipefail
 # FIXME: adding tags doesn't work
 
 SCRIPT_DIR=$(dirname $(readlink "$0"))
-DB_FILE="tags.db"
+CURRENT_DIR=$(dirname "$PWD")
+SCRIPT_NAME=$(basename "$0")
+
+
+DB_FILE="${CURRENT_DIR}/tags.db"
+[ "$1" = "--db" ] && DB_FILE="$2" && shift 2
+
+
 DB_SCHEMA="${SCRIPT_DIR}/database.sql"
 declare -A FILTERS
 FILTERS[video]="avi|flv|mkv|mov|mp4|mpg|ogv|webm|wmv"
@@ -34,9 +41,10 @@ log() {
 }
 
 init() {
-    [ -f "$DB_FILE" ] && fail "Database file \"$DB_FILE\" already exists. Aborting."
-    cat "$DB_SCHEMA" | sqlite3 "$DB_FILE"
-    log "Empty database file \"$DB_FILE\" created."
+    # DB_NAME
+    [ -f "$1" ] && fail "Database file \"$1\" already exists. Aborting."
+    cat "$DB_SCHEMA" | sqlite3 "$1"
+    log "Empty database file \"$1\" created."
 }
 
 enumerate_positional_parameters() {
@@ -126,7 +134,7 @@ add_path_auto() {
 
 main() {
     if [[ "$1" = "init" ]]; then
-        init
+        init "${2:-$DB_FILE}"
         exit 0
     fi
 
@@ -182,6 +190,7 @@ main() {
     fi 
 
     if [[ "$1" = "listtags" ]]; then
+        [ -z "${2:-}" ] && fail "Usage: $SCRIPT_NAME listtags filename"
         listtags "$2"
         exit 0
     fi 

tests/basic.sh

@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+set -ueo pipefail
+
+SCRIPT_DIR=$(dirname $(readlink -f "$0"))
+DB_FILE="test.db"
+
+oneTimeSetUp() {
+    tag --db "$DB_FILE" init >/dev/null
+}
+
+oneTimeTearDown() {
+    # need to check if file exists
+    # because of bug in shunit2 that
+    # runs one-time teardown two times
+    # see https://github.com/kward/shunit2/issues/112
+    [ -f "$DB_FILE" ] && rm "$DB_FILE"
+}
+
+testDbCreated() {
+    assertTrue "[[ -f \"$DB_FILE\" ]]"
+}
+
+testTagAdded() {
+    tag --db "$DB_FILE" add tag hello >/dev/null
+    RESULT=$(sqlite3 "$DB_FILE" "SELECT label from tags WHERE label = 'hello'")
+    assertEquals $RESULT "hello"
+}
+
+testFilenameAdded() {
+    local FILENAME="test.mp4"
+    tag --db "$DB_FILE" add path "$FILENAME" >/dev/null
+    RESULT=$(sqlite3 "$DB_FILE" "SELECT filename from files WHERE filename = '$FILENAME'")
+    assertEquals "$RESULT" "$FILENAME"
+}
+
+testHashAdded() {
+    local HASH="fbe2153ce0614d76a378b2e6fe07cc9e"
+    tag --db "$DB_FILE" add hash "$HASH" >/dev/null
+    RESULT=$(sqlite3 "$DB_FILE" "SELECT md5 from hashes WHERE hash = '$HASH'")
+    assertEquals "$RESULT" "$HASH"
+}
+
+. ../shunit2/shunit2