filer/tests/spec/providers/providers.websql.spec.js

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define(["Filer"], function(Filer) {
var WEBSQL_NAME = "websql-test-db";
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function wipeDB(provider) {
var context = provider.getReadWriteContext();
context.clear(function(err) {
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if(err) {
console.error("Problem clearing WebSQL db: [" + err.code + "] - " + err.message);
}
});
}
if(!Filer.FileSystem.providers.WebSQL.isSupported()) {
console.log("Skipping Filer.FileSystem.providers.WebSQL tests, since WebSQL isn't supported.");
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return;
}
describe("Filer.FileSystem.providers.WebSQL", function() {
it("is supported -- if it isn't, none of these tests can run.", function() {
expect(Filer.FileSystem.providers.WebSQL.isSupported()).toEqual(true);
});
it("has open, getReadOnlyContext, and getReadWriteContext instance methods", function() {
var webSQLProvider = new Filer.FileSystem.providers.WebSQL();
expect(typeof webSQLProvider.open).toEqual('function');
expect(typeof webSQLProvider.getReadOnlyContext).toEqual('function');
expect(typeof webSQLProvider.getReadWriteContext).toEqual('function');
});
describe("open an WebSQL provider", function() {
afterEach(function() {
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wipeDB(this.provider);
});
it("should open a new WebSQL database", function() {
var complete = false;
var _error, _result;
var provider = this.provider = new Filer.FileSystem.providers.WebSQL(WEBSQL_NAME);
provider.open(function(err, firstAccess) {
_error = err;
_result = firstAccess;
complete = true;
});
waitsFor(function() {
return complete;
}, 'test to complete', DEFAULT_TIMEOUT);
runs(function() {
expect(_error).toEqual(null);
expect(_result).toEqual(true);
});
});
});
describe("Read/Write operations on an WebSQL provider", function() {
afterEach(function() {
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wipeDB(this.provider);
});
it("should allow put() and get()", function() {
var complete = false;
var _error, _result;
var provider = this.provider = new Filer.FileSystem.providers.WebSQL(WEBSQL_NAME);
provider.open(function(err, firstAccess) {
_error = err;
var context = provider.getReadWriteContext();
context.put("key", "value", function(err, result) {
_error = _error || err;
context.get("key", function(err, result) {
_error = _error || err;
_result = result;
complete = true;
});
});
});
waitsFor(function() {
return complete;
}, 'test to complete', DEFAULT_TIMEOUT);
runs(function() {
expect(_error).toEqual(null);
expect(_result).toEqual("value");
});
});
it("should allow delete()", function() {
var complete = false;
var _error, _result;
var provider = this.provider = new Filer.FileSystem.providers.WebSQL(WEBSQL_NAME);
provider.open(function(err, firstAccess) {
_error = err;
var context = provider.getReadWriteContext();
context.put("key", "value", function(err, result) {
_error = _error || err;
context.delete("key", function(err, result) {
_error = _error || err;
context.get("key", function(err, result) {
_error = _error || err;
_result = result;
complete = true;
});
});
});
});
waitsFor(function() {
return complete;
}, 'test to complete', DEFAULT_TIMEOUT);
runs(function() {
expect(_error).toEqual(null);
expect(_result).toEqual(null);
});
});
it("should allow clear()", function() {
var complete = false;
var _error, _result1, _result2;
var provider = this.provider = new Filer.FileSystem.providers.WebSQL(WEBSQL_NAME);
provider.open(function(err, firstAccess) {
_error = err;
var context = provider.getReadWriteContext();
context.put("key1", "value1", function(err, result) {
_error = _error || err;
context.put("key2", "value2", function(err, result) {
_error = _error || err;
context.clear(function(err) {
_error = _error || err;
context.get("key1", function(err, result) {
_error = _error || err;
_result1 = result;
context.get("key2", function(err, result) {
_error = _error || err;
_result2 = result;
complete = true;
});
});
});
});
});
});
waitsFor(function() {
return complete;
}, 'test to complete', DEFAULT_TIMEOUT);
runs(function() {
expect(_error).toEqual(null);
expect(_result1).toEqual(null);
expect(_result2).toEqual(null);
});
});
it("should fail when trying to write on ReadOnlyContext", function() {
var complete = false;
var _error, _result;
var provider = this.provider = new Filer.FileSystem.providers.WebSQL(WEBSQL_NAME);
provider.open(function(err, firstAccess) {
_error = err;
var context = provider.getReadOnlyContext();
context.put("key1", "value1", function(err, result) {
_error = _error || err;
_result = result;
complete = true;
});
});
waitsFor(function() {
return complete;
}, 'test to complete', DEFAULT_TIMEOUT);
runs(function() {
expect(_error).toBeDefined();
expect(_result).toEqual(null);
});
});
});
});
});