SQLitePlugin.coffee.md 36KB
SQLitePlugin.coffee.md 36KB
SQLite plugin in Markdown (litcoffee)
Use coffee compiler to compile this directly into Javascript
License for common script: MIT or Apache
Top-level SQLite plugin objects
root window object:
root = @
constant(s):
READ_ONLY_REGEX = /^(\s|;)*(?:alter|create|delete|drop|insert|reindex|replace|update)/i
# per-db state
DB_STATE_INIT = "INIT"
DB_STATE_OPEN = "OPEN"
global(s):
# per-db map of locking and queueing
# XXX NOTE: This is NOT cleaned up when a db is closed and/or deleted.
# If the record is simply removed when a db is closed or deleted,
# it will cause some test failures and may break large-scale
# applications that repeatedly open and close the database.
# [BUG #210] TODO: better to abort and clean up the pending transaction state.
# XXX TBD this will be renamed and include some more per-db state.
# NOTE: In case txLocks is renamed or replaced the selfTest has to be adapted as well.
txLocks = {}
utility functions:
# Errors returned to callbacks must conform to `SqlError` with a code and message.
# Some errors are of type `Error` or `string` and must be converted.
newSQLError = (error, code) ->
sqlError = error
code = 0 if !code # unknown by default
if !sqlError
sqlError = new Error "a plugin had an error but provided no response"
sqlError.code = code
if typeof sqlError is "string"
sqlError = new Error error
sqlError.code = code
if !sqlError.code && sqlError.message
sqlError.code = code
if !sqlError.code && !sqlError.message
sqlError = new Error "an unknown error was returned: " + JSON.stringify(sqlError)
sqlError.code = code
return sqlError
nextTick = window.setImmediate || (fun) ->
window.setTimeout(fun, 0)
return
###
Utility that avoids leaking the arguments object. See
https://www.npmjs.org/package/argsarray
###
argsArray = (fun) ->
return ->
len = arguments.length
if len
args = []
i = -1
while ++i < len
args[i] = arguments[i]
return fun.call this, args
else
return fun.call this, []
SQLite plugin db-connection handle
NOTE: there can be multipe SQLitePlugin db-connection handles per open db.
SQLite plugin db connection handle object is defined by a constructor function and prototype member functions:
SQLitePlugin = (openargs, openSuccess, openError) ->
# console.log "SQLitePlugin openargs: #{JSON.stringify openargs}"
# SHOULD already be checked by openDatabase:
if !(openargs and openargs['name'])
throw newSQLError "Cannot create a SQLitePlugin db instance without a db name"
dbname = openargs.name
if typeof dbname != 'string'
throw newSQLError 'sqlite plugin database name must be a string'
@openargs = openargs
@dbname = dbname
@openSuccess = openSuccess
@openError = openError
@openSuccess or
@openSuccess = ->
console.log "DB opened: " + dbname
return
@openError or
@openError = (e) ->
console.log e.message
return
@open @openSuccess, @openError
return
SQLitePlugin::databaseFeatures = isSQLitePluginDatabase: true
# Keep track of state of open db connections
# XXX FUTURE TBD this *may* be moved and renamed,
# or even combined with txLocks if possible.
# NOTE: In case txLocks is renamed or replaced the selfTest has to be adapted as well.
SQLitePlugin::openDBs = {}
SQLitePlugin::addTransaction = (t) ->
if !txLocks[@dbname]
txLocks[@dbname] = {
queue: []
inProgress: false
}
txLocks[@dbname].queue.push t
if @dbname of @openDBs && @openDBs[@dbname] isnt DB_STATE_INIT
# FUTURE TBD: rename startNextTransaction to something like
# triggerTransactionQueue
# ALT TBD: only when queue has length of 1 (and test)??
@startNextTransaction()
else
if @dbname of @openDBs
console.log 'new transaction is queued, waiting for open operation to finish'
else
# XXX SHOULD NOT GET HERE.
# FUTURE TBD TODO: in this exceptional case abort and discard the transaction.
console.log 'database is closed, new transaction is [stuck] waiting until db is opened again!'
return
SQLitePlugin::transaction = (fn, error, success) ->
# FUTURE TBD check for valid fn here
if !@openDBs[@dbname]
error newSQLError 'database not open'
return
@addTransaction new SQLitePluginTransaction(this, fn, error, success, true, false)
return
SQLitePlugin::readTransaction = (fn, error, success) ->
# FUTURE TBD check for valid fn here (and add test for this)
if !@openDBs[@dbname]
error newSQLError 'database not open'
return
@addTransaction new SQLitePluginTransaction(this, fn, error, success, false, true)
return
SQLitePlugin::startNextTransaction = ->
self = @
nextTick =>
if !(@dbname of @openDBs) || @openDBs[@dbname] isnt DB_STATE_OPEN
console.log 'cannot start next transaction: database not open'
return
txLock = txLocks[self.dbname]
if !txLock
console.log 'cannot start next transaction: database connection is lost'
# XXX TBD TODO (BUG #210/??): abort all pending transactions with error cb [and test!!]
# @abortAllPendingTransactions()
return
else if txLock.queue.length > 0 && !txLock.inProgress
# start next transaction in q
txLock.inProgress = true
txLock.queue.shift().start()
return
return
SQLitePlugin::abortAllPendingTransactions = ->
# extra debug info:
# if txLocks[@dbname] then console.log 'abortAllPendingTransactions with transaction queue length: ' + txLocks[@dbname].queue.length
# else console.log 'abortAllPendingTransactions with no transaction lock state'
txLock = txLocks[@dbname]
if !!txLock && txLock.queue.length > 0
# XXX TODO: what to do in case there is a (stray) transaction in progress?
#console.log 'abortAllPendingTransactions - cleanup old transaction(s)'
for tx in txLock.queue
tx.abortFromQ newSQLError 'Invalid database handle'
# XXX TODO: consider cleaning up (delete) txLocks[@dbname] resource,
# in case it is known there are no more pending transactions
txLock.queue = []
txLock.inProgress = false
return
SQLitePlugin::open = (success, error) ->
if @dbname of @openDBs
console.log 'database already open: ' + @dbname
# for a re-open run the success cb async so that the openDatabase return value
# can be used in the success handler as an alternative to the handler's
# db argument
nextTick =>
success @
return
# (done)
else
# openDatabase step 1:
console.log 'OPEN database: ' + @dbname
opensuccesscb = =>
# NOTE: the db state is NOT stored (in @openDBs) if the db was closed or deleted.
console.log 'OPEN database: ' + @dbname + ' - OK'
#if !@openDBs[@dbname] then call open error cb, and abort pending tx if any
if !@openDBs[@dbname]
console.log 'database was closed during open operation'
# XXX TODO (WITH TEST) ref BUG litehelpers/Cordova-sqlite-storage#210:
# if !!error then error newSQLError 'database closed during open operation'
# @abortAllPendingTransactions()
if @dbname of @openDBs
@openDBs[@dbname] = DB_STATE_OPEN
if !!success then success @
txLock = txLocks[@dbname]
if !!txLock && txLock.queue.length > 0 && !txLock.inProgress
@startNextTransaction()
return
openerrorcb = =>
console.log 'OPEN database: ' + @dbname + ' FAILED, aborting any pending transactions'
# XXX TODO: newSQLError missing the message part!
if !!error then error newSQLError 'Could not open database'
delete @openDBs[@dbname]
@abortAllPendingTransactions()
return
# store initial DB state:
@openDBs[@dbname] = DB_STATE_INIT
# UPDATED WORKAROUND SOLUTION to cordova-sqlite-storage BUG 666:
# Request to native side to close existing database
# connection in case it is already open.
# Wait for callback before opening the database
# (ignore close error).
step2 = =>
cordova.exec opensuccesscb, openerrorcb, "SQLitePlugin", "open", [ @openargs ]
return
cordova.exec step2, step2, 'SQLitePlugin', 'close', [ { path: @dbname } ]
return
SQLitePlugin::close = (success, error) ->
if @dbname of @openDBs
if txLocks[@dbname] && txLocks[@dbname].inProgress
# FUTURE TBD TODO ref BUG litehelpers/Cordova-sqlite-storage#210:
# Wait for current tx to finish then close,
# then abort any other pending transactions
# (and cleanup any other internal resources).
# (This would need testing!!)
console.log 'cannot close: transaction is in progress'
error newSQLError 'database cannot be closed while a transaction is in progress'
return
console.log 'CLOSE database: ' + @dbname
# NOTE: closing one db handle disables other handles to same db
# FUTURE TBD TODO ref litehelpers/Cordova-sqlite-storage#210:
# Add a dispose method to simply invalidate the
# current database object ("this")
delete @openDBs[@dbname]
if txLocks[@dbname] then console.log 'closing db with transaction queue length: ' + txLocks[@dbname].queue.length
else console.log 'closing db with no transaction lock state'
# XXX TODO BUG litehelpers/Cordova-sqlite-storage#210:
# abort all pending transactions (with error callback)
# when closing a database (needs testing!!)
# (and cleanup any other internal resources)
cordova.exec success, error, "SQLitePlugin", "close", [ { path: @dbname } ]
else
console.log 'cannot close: database is not open'
if error then nextTick -> error()
return
SQLitePlugin::executeSql = (statement, params, success, error) ->
# XXX TODO: better to capture the result, and report it once
# the transaction has completely finished.
# This would fix BUG #204 (cannot close db in db.executeSql() callback).
mysuccess = (t, r) -> if !!success then success r
myerror = (t, e) -> if !!error then error e
myfn = (tx) ->
tx.addStatement(statement, params, mysuccess, myerror)
return
@addTransaction new SQLitePluginTransaction(this, myfn, null, null, false, false)
return
SQLitePlugin::sqlBatch = (sqlStatements, success, error) ->
if !sqlStatements || sqlStatements.constructor isnt Array
throw newSQLError 'sqlBatch expects an array'
batchList = []
for st in sqlStatements
if st.constructor is Array
if st.length == 0
throw newSQLError 'sqlBatch array element of zero (0) length'
batchList.push
sql: st[0]
params: if st.length == 0 then [] else st[1]
else
batchList.push
sql: st
params: []
myfn = (tx) ->
for elem in batchList
tx.addStatement(elem.sql, elem.params, null, null)
@addTransaction new SQLitePluginTransaction(this, myfn, error, success, true, false)
return
SQLite plugin transaction object for batching:
SQLitePluginTransaction = (db, fn, error, success, txlock, readOnly) ->
# FUTURE TBD check this earlier:
if typeof(fn) != "function"
###
This is consistent with the implementation in Chrome -- it
throws if you pass anything other than a function. This also
prevents us from stalling our txQueue if somebody passes a
false value for fn.
###
throw newSQLError "transaction expected a function"
@db = db
@fn = fn
@error = error
@success = success
@txlock = txlock
@readOnly = readOnly
@executes = []
if txlock
@addStatement "BEGIN", [], null, (tx, err) ->
throw newSQLError "unable to begin transaction: " + err.message, err.code
# Workaround for litehelpers/Cordova-sqlite-storage#409
# extra statement in case user function does not add any SQL statements
# TBD This also adds an extra statement to db.executeSql()
else
@addStatement "SELECT 1", [], null, null
return
SQLitePluginTransaction::start = ->
try
@fn this
@run()
catch err
# If "fn" throws, we must report the whole transaction as failed.
txLocks[@db.dbname].inProgress = false
@db.startNextTransaction()
if @error
@error newSQLError err
return
SQLitePluginTransaction::executeSql = (sql, values, success, error) ->
if @finalized
throw {message: 'InvalidStateError: DOM Exception 11: This transaction is already finalized. Transactions are committed after its success or failure handlers are called. If you are using a Promise to handle callbacks, be aware that implementations following the A+ standard adhere to run-to-completion semantics and so Promise resolution occurs on a subsequent tick and therefore after the transaction commits.', code: 11}
return
if @readOnly && READ_ONLY_REGEX.test(sql)
@handleStatementFailure(error, {message: 'invalid sql for a read-only transaction'})
return
@addStatement(sql, values, success, error)
return
# This method adds the SQL statement to the transaction queue but does not check for
# finalization since it is used to execute COMMIT and ROLLBACK.
SQLitePluginTransaction::addStatement = (sql, values, success, error) ->
sqlStatement = if typeof sql is 'string'
sql
else
sql.toString()
params = []
if !!values && values.constructor == Array
for v in values
t = typeof v
params.push (
if v == null || v == undefined then null
else if t == 'number' || t == 'string' then v
else v.toString()
)
@executes.push
success: success
error: error
sql: sqlStatement
params: params
return
SQLitePluginTransaction::handleStatementSuccess = (handler, response) ->
if !handler
return
rows = response.rows || []
payload =
rows:
item: (i) ->
rows[i]
length: rows.length
rowsAffected: response.rowsAffected or 0
insertId: response.insertId or undefined
handler this, payload
return
SQLitePluginTransaction::handleStatementFailure = (handler, response) ->
if !handler
throw newSQLError "a statement with no error handler failed: " + response.message, response.code
if handler(this, response) isnt false
throw newSQLError "a statement error callback did not return false: " + response.message, response.code
return
SQLitePluginTransaction::run = ->
txFailure = null
tropts = []
batchExecutes = @executes
# NOTE: If this is zero it will not work. Workaround is applied in the constructor.
# FUTURE TBD: It would be better to fix the problem here.
waiting = batchExecutes.length
@executes = []
# my tx object (this)
tx = @
handlerFor = (index, didSucceed) ->
(response) ->
if !txFailure
try
if didSucceed
tx.handleStatementSuccess batchExecutes[index].success, response
else
tx.handleStatementFailure batchExecutes[index].error, newSQLError(response)
catch err
# NOTE: txFailure is expected to be null at this point.
txFailure = newSQLError(err)
if --waiting == 0
if txFailure
tx.executes = []
tx.abort txFailure
else if tx.executes.length > 0
# new requests have been issued by the callback
# handlers, so run another batch.
tx.run()
else
tx.finish()
return
mycbmap = {}
i = 0
while i < batchExecutes.length
request = batchExecutes[i]
mycbmap[i] =
success: handlerFor(i, true)
error: handlerFor(i, false)
tropts.push
sql: request.sql
params: request.params
i++
mycb = (result) ->
#console.log "mycb result #{JSON.stringify result}"
for resultIndex in [0 .. result.length-1]
r = result[resultIndex]
type = r.type
res = r.result
q = mycbmap[resultIndex]
if q
if q[type]
q[type] res
return
cordova.exec mycb, null, "SQLitePlugin", "backgroundExecuteSqlBatch", [{dbargs: {dbname: @db.dbname}, executes: tropts}]
return
SQLitePluginTransaction::abort = (txFailure) ->
if @finalized then return
tx = @
succeeded = (tx) ->
txLocks[tx.db.dbname].inProgress = false
tx.db.startNextTransaction()
if tx.error and typeof tx.error is 'function'
tx.error txFailure
return
failed = (tx, err) ->
txLocks[tx.db.dbname].inProgress = false
tx.db.startNextTransaction()
if tx.error and typeof tx.error is 'function'
tx.error newSQLError 'error while trying to roll back: ' + err.message, err.code
return
@finalized = true
if @txlock
@addStatement "ROLLBACK", [], succeeded, failed
@run()
else
succeeded(tx)
return
SQLitePluginTransaction::finish = ->
if @finalized then return
tx = @
succeeded = (tx) ->
txLocks[tx.db.dbname].inProgress = false
tx.db.startNextTransaction()
if tx.success and typeof tx.success is 'function'
tx.success()
return
failed = (tx, err) ->
txLocks[tx.db.dbname].inProgress = false
tx.db.startNextTransaction()
if tx.error and typeof tx.error is 'function'
tx.error newSQLError 'error while trying to commit: ' + err.message, err.code
return
@finalized = true
if @txlock
@addStatement "COMMIT", [], succeeded, failed
@run()
else
succeeded(tx)
return
SQLitePluginTransaction::abortFromQ = (sqlerror) ->
# NOTE: since the transaction is waiting in the queue,
# the transaction function containing the SQL statements
# would not be run yet. Simply report the transaction error.
if @error
@error sqlerror
return
SQLite plugin object factory:
# OLD:
dblocations = [ "docs", "libs", "nosync" ]
iosLocationMap =
'default' : 'nosync'
'Documents' : 'docs'
'Library' : 'libs'
SQLiteFactory =
###
NOTE: this function should NOT be translated from Javascript
back to CoffeeScript by js2coffee.
If this function is edited in Javascript then someone will
have to translate it back to CoffeeScript by hand.
###
openDatabase: argsArray (args) ->
if args.length < 1 || !args[0]
throw newSQLError 'Sorry missing mandatory open arguments object in openDatabase call'
#first = args[0]
#openargs = null
#okcb = null
#errorcb = null
#if first.constructor == String
# openargs = {name: first}
# if args.length >= 5
# okcb = args[4]
# if args.length > 5 then errorcb = args[5]
#else
# openargs = first
# if args.length >= 2
# okcb = args[1]
# if args.length > 2 then errorcb = args[2]
if args[0].constructor == String
throw newSQLError 'Sorry first openDatabase argument must be an object'
openargs = args[0]
# check here
if !openargs.name
throw newSQLError 'Database name value is missing in openDatabase call'
if !openargs.iosDatabaseLocation and !openargs.location and openargs.location isnt 0
throw newSQLError 'Database location or iosDatabaseLocation setting is now mandatory in openDatabase call.'
if !!openargs.location and !!openargs.iosDatabaseLocation
throw newSQLError 'AMBIGUOUS: both location and iosDatabaseLocation settings are present in openDatabase call. Please use either setting, not both.'
dblocation =
if !!openargs.location and openargs.location is 'default'
iosLocationMap['default']
else if !!openargs.iosDatabaseLocation
iosLocationMap[openargs.iosDatabaseLocation]
else
dblocations[openargs.location]
if !dblocation
throw newSQLError 'Valid iOS database location could not be determined in openDatabase call'
openargs.dblocation = dblocation
if !!openargs.createFromLocation and openargs.createFromLocation == 1
openargs.createFromResource = "1"
if !!openargs.androidDatabaseProvider and !!openargs.androidDatabaseImplementation
throw newSQLError 'AMBIGUOUS: both androidDatabaseProvider and deprecated androidDatabaseImplementation settings are present in openDatabase call. Please drop androidDatabaseImplementation in favor of androidDatabaseProvider.'
if openargs.androidDatabaseProvider isnt undefined and
openargs.androidDatabaseProvider isnt 'default' and
openargs.androidDatabaseProvider isnt 'system'
throw newSQLError "Incorrect androidDatabaseProvider value. Valid values are: 'default', 'system'"
if !!openargs.androidDatabaseProvider and openargs.androidDatabaseProvider is 'system'
openargs.androidOldDatabaseImplementation = 1
# DEPRECATED:
if !!openargs.androidDatabaseImplementation and openargs.androidDatabaseImplementation == 2
openargs.androidOldDatabaseImplementation = 1
if !!openargs.androidLockWorkaround and openargs.androidLockWorkaround == 1
openargs.androidBugWorkaround = 1
okcb = null
errorcb = null
if args.length >= 2
okcb = args[1]
if args.length > 2 then errorcb = args[2]
new SQLitePlugin openargs, okcb, errorcb
deleteDatabase: (first, success, error) ->
# XXX TODO BUG litehelpers/Cordova-sqlite-storage#367:
# abort all pending transactions (with error callback)
# when deleting a database
# (and cleanup any other internal resources)
# NOTE: This should properly close the database
# (at least on the JavaScript side) before deleting.
args = {}
if first.constructor == String
#console.log "delete db name: #{first}"
#args.path = first
#args.dblocation = dblocations[0]
throw newSQLError 'Sorry first deleteDatabase argument must be an object'
else
#console.log "delete db args: #{JSON.stringify first}"
if !(first and first['name']) then throw new Error "Please specify db name"
dbname = first.name
if typeof dbname != 'string'
throw newSQLError 'delete database name must be a string'
args.path = dbname
#dblocation = if !!first.location then dblocations[first.location] else null
#args.dblocation = dblocation || dblocations[0]
if !first.iosDatabaseLocation and !first.location and first.location isnt 0
throw newSQLError 'Database location or iosDatabaseLocation setting is now mandatory in deleteDatabase call.'
if !!first.location and !!first.iosDatabaseLocation
throw newSQLError 'AMBIGUOUS: both location and iosDatabaseLocation settings are present in deleteDatabase call. Please use either setting value, not both.'
dblocation =
if !!first.location and first.location is 'default'
iosLocationMap['default']
else if !!first.iosDatabaseLocation
iosLocationMap[first.iosDatabaseLocation]
else
dblocations[first.location]
if !dblocation
throw newSQLError 'Valid iOS database location could not be determined in deleteDatabase call'
args.dblocation = dblocation
# XXX TODO BUG litehelpers/Cordova-sqlite-storage#367 (repeated here):
# abort all pending transactions (with error callback)
# when deleting a database
# (and cleanup any other internal resources)
delete SQLitePlugin::openDBs[args.path]
cordova.exec success, error, "SQLitePlugin", "delete", [ args ]
Self test:
SelfTest =
DBNAME: '___$$$___litehelpers___$$$___test___$$$___.db'
start: (successcb, errorcb) ->
SQLiteFactory.deleteDatabase {name: SelfTest.DBNAME, location: 'default'},
(-> SelfTest.step1(successcb, errorcb)),
(-> SelfTest.step1(successcb, errorcb))
return
step1: (successcb, errorcb) ->
SQLiteFactory.openDatabase {name: SelfTest.DBNAME, location: 'default'}, (db) ->
check1 = false
db.transaction (tx) ->
tx.executeSql 'SELECT UPPER("Test") AS upperText', [], (ignored, resutSet) ->
if !resutSet.rows
return SelfTest.finishWithError errorcb, 'Missing resutSet.rows'
if !resutSet.rows.length
return SelfTest.finishWithError errorcb, 'Missing resutSet.rows.length'
if resutSet.rows.length isnt 1
return SelfTest.finishWithError errorcb,
"Incorrect resutSet.rows.length value: #{resutSet.rows.length} (expected: 1)"
if !resutSet.rows.item(0).upperText
return SelfTest.finishWithError errorcb,
'Missing resutSet.rows.item(0).upperText'
if resutSet.rows.item(0).upperText isnt 'TEST'
return SelfTest.finishWithError errorcb,
"Incorrect resutSet.rows.item(0).upperText value: #{resutSet.rows.item(0).upperText} (expected: 'TEST')"
check1 = true
return
, (ignored, tx_sql_err) ->
return SelfTest.finishWithError errorcb, "TX SQL error: #{tx_sql_err}"
return
, (tx_err) ->
return SelfTest.finishWithError errorcb, "TRANSACTION error: #{tx_err}"
, () ->
# tx success:
if !check1
return SelfTest.finishWithError errorcb,
'Did not get expected upperText result data'
# SIMULATE SCENARIO IN BUG litehelpers/Cordova-sqlite-storage#666:
db.executeSql 'BEGIN', null, (ignored) -> nextTick -> # (nextTick needed for Windows)
# DELETE INTERNAL STATE to simulate the effects of location refresh or change:
delete db.openDBs[SelfTest.DBNAME]
delete txLocks[SelfTest.DBNAME]
nextTick ->
# VERIFY INTERNAL STATE IS DELETED:
db.transaction (tx2) ->
tx2.executeSql 'SELECT 1'
return
, (tx_err) ->
# EXPECTED RESULT:
if !tx_err
return SelfTest.finishWithError errorcb, 'Missing error object'
SelfTest.step2 successcb, errorcb
return
, () ->
# NOT EXPECTED:
return SelfTest.finishWithError errorcb, 'Missing error object'
return
return
return
return
, (open_err) ->
SelfTest.finishWithError errorcb, "Open database error: #{open_err}"
return
step2: (successcb, errorcb) ->
SQLiteFactory.openDatabase {name: SelfTest.DBNAME, location: 'default'}, (db) ->
# TX SHOULD SUCCEED to demonstrate solution to BUG litehelpers/Cordova-sqlite-storage#666:
db.transaction (tx) ->
tx.executeSql 'SELECT ? AS myResult', [null], (ignored, resutSet) ->
if !resutSet.rows
return SelfTest.finishWithError errorcb, 'Missing resutSet.rows'
if !resutSet.rows.length
return SelfTest.finishWithError errorcb, 'Missing resutSet.rows.length'
if resutSet.rows.length isnt 1
return SelfTest.finishWithError errorcb,
"Incorrect resutSet.rows.length value: #{resutSet.rows.length} (expected: 1)"
SelfTest.step3 successcb, errorcb
return
return
, (txError) ->
# NOT EXPECTED:
return SelfTest.finishWithError errorcb, "UNEXPECTED TRANSACTION ERROR: #{txError}"
return
, (open_err) ->
SelfTest.finishWithError errorcb, "Open database error: #{open_err}"
return
step3: (successcb, errorcb) ->
SQLiteFactory.openDatabase {name: SelfTest.DBNAME, location: 'default'}, (db) ->
db.sqlBatch [
'CREATE TABLE TestTable(id integer primary key autoincrement unique, data);'
[ 'INSERT INTO TestTable (data) VALUES (?);', ['test-value'] ]
], () ->
firstid = -1 # invalid
db.executeSql 'SELECT id, data FROM TestTable', [], (resutSet) ->
if !resutSet.rows
SelfTest.finishWithError errorcb, 'Missing resutSet.rows'
return
if !resutSet.rows.length
SelfTest.finishWithError errorcb, 'Missing resutSet.rows.length'
return
if resutSet.rows.length isnt 1
SelfTest.finishWithError errorcb,
"Incorrect resutSet.rows.length value: #{resutSet.rows.length} (expected: 1)"
return
if resutSet.rows.item(0).id is undefined
SelfTest.finishWithError errorcb,
'Missing resutSet.rows.item(0).id'
return
firstid = resutSet.rows.item(0).id
if !resutSet.rows.item(0).data
SelfTest.finishWithError errorcb,
'Missing resutSet.rows.item(0).data'
return
if resutSet.rows.item(0).data isnt 'test-value'
SelfTest.finishWithError errorcb,
"Incorrect resutSet.rows.item(0).data value: #{resutSet.rows.item(0).data} (expected: 'test-value')"
return
db.transaction (tx) ->
tx.executeSql 'UPDATE TestTable SET data = ?', ['new-value']
, (tx_err) ->
SelfTest.finishWithError errorcb, "UPDATE transaction error: #{tx_err}"
, () ->
readTransactionFinished = false
db.readTransaction (tx2) ->
tx2.executeSql 'SELECT id, data FROM TestTable', [], (ignored, resutSet2) ->
if !resutSet2.rows
throw newSQLError 'Missing resutSet2.rows'
if !resutSet2.rows.length
throw newSQLError 'Missing resutSet2.rows.length'
if resutSet2.rows.length isnt 1
throw newSQLError "Incorrect resutSet2.rows.length value: #{resutSet2.rows.length} (expected: 1)"
if !resutSet2.rows.item(0).id
throw newSQLError 'Missing resutSet2.rows.item(0).id'
if resutSet2.rows.item(0).id isnt firstid
throw newSQLError "resutSet2.rows.item(0).id value #{resutSet2.rows.item(0).id} does not match previous primary key id value (#{firstid})"
if !resutSet2.rows.item(0).data
throw newSQLError 'Missing resutSet2.rows.item(0).data'
if resutSet2.rows.item(0).data isnt 'new-value'
throw newSQLError "Incorrect resutSet2.rows.item(0).data value: #{resutSet2.rows.item(0).data} (expected: 'test-value')"
readTransactionFinished = true
, (tx2_err) ->
SelfTest.finishWithError errorcb, "readTransaction error: #{tx2_err}"
, () ->
if !readTransactionFinished
SelfTest.finishWithError errorcb, 'readTransaction did not finish'
return
db.transaction (tx3) ->
tx3.executeSql 'DELETE FROM TestTable'
tx3.executeSql 'INSERT INTO TestTable (data) VALUES(?)', [123]
, (tx3_err) ->
SelfTest.finishWithError errorcb, "DELETE transaction error: #{tx3_err}"
, () ->
secondReadTransactionFinished = false
db.readTransaction (tx4) ->
tx4.executeSql 'SELECT id, data FROM TestTable', [], (ignored, resutSet3) ->
if !resutSet3.rows
throw newSQLError 'Missing resutSet3.rows'
if !resutSet3.rows.length
throw newSQLError 'Missing resutSet3.rows.length'
if resutSet3.rows.length isnt 1
throw newSQLError "Incorrect resutSet3.rows.length value: #{resutSet3.rows.length} (expected: 1)"
if !resutSet3.rows.item(0).id
throw newSQLError 'Missing resutSet3.rows.item(0).id'
if resutSet3.rows.item(0).id is firstid
throw newSQLError "resutSet3.rows.item(0).id value #{resutSet3.rows.item(0).id} incorrectly matches previous unique key id value value (#{firstid})"
if !resutSet3.rows.item(0).data
throw newSQLError 'Missing resutSet3.rows.item(0).data'
if resutSet3.rows.item(0).data isnt 123
throw newSQLError "Incorrect resutSet3.rows.item(0).data value: #{resutSet3.rows.item(0).data} (expected 123)"
secondReadTransactionFinished = true
, (tx4_err) ->
SelfTest.finishWithError errorcb, "second readTransaction error: #{tx4_err}"
, () ->
if !secondReadTransactionFinished
SelfTest.finishWithError errorcb, 'second readTransaction did not finish'
return
# CLEANUP & FINISH:
db.close () ->
SelfTest.cleanupAndFinish successcb, errorcb
return
, (close_err) ->
# DO NOT IGNORE CLOSE ERROR ON ANY PLATFORM:
SelfTest.finishWithError errorcb, "close error: #{close_err}"
return
return
, (select_err) ->
SelfTest.finishWithError errorcb, "SELECT error: #{select_err}"
, (batch_err) ->
SelfTest.finishWithError errorcb, "sql batch error: #{batch_err}"
, (open_err) ->
SelfTest.finishWithError errorcb, "Open database error: #{open_err}"
return
cleanupAndFinish: (successcb, errorcb) ->
SQLiteFactory.deleteDatabase {name: SelfTest.DBNAME, location: 'default'}, successcb, (cleanup_err)->
# DO NOT IGNORE CLEANUP DELETE ERROR ON ANY PLATFORM:
SelfTest.finishWithError errorcb, "CLEANUP DELETE ERROR: #{cleanup_err}"
return
return
finishWithError: (errorcb, message) ->
console.log "selfTest ERROR with message: #{message}"
SQLiteFactory.deleteDatabase {name: SelfTest.DBNAME, location: 'default'}, ->
errorcb newSQLError message
return
, (err2)->
console.log "selfTest CLEANUP DELETE ERROR #{err2}"
errorcb newSQLError "CLEANUP DELETE ERROR: #{err2} for error: #{message}"
return
return
Exported API:
root.sqlitePlugin =
sqliteFeatures:
isSQLitePlugin: true
echoTest: (okcb, errorcb) ->
ok = (s) ->
if s is 'test-string'
okcb()
else
errorcb "Mismatch: got: '#{s}' expected 'test-string'"
error = (e) ->
errorcb e
cordova.exec ok, error, "SQLitePlugin", "echoStringValue", [{value:'test-string'}]
selfTest: SelfTest.start
openDatabase: SQLiteFactory.openDatabase
deleteDatabase: SQLiteFactory.deleteDatabase