Files
node-mbtiles/test/read.test.js
Young Hahn b5cbaf8cb1 Merge.
2012-03-07 04:55:26 -05:00

257 lines
12 KiB
JavaScript

process.env.NODE_ENV = 'test';
var fs = require('fs');
var MBTiles = require('..');
var fixtures = {
plain_1: __dirname + '/fixtures/plain_1.mbtiles',
plain_2: __dirname + '/fixtures/plain_2.mbtiles',
plain_3: __dirname + '/fixtures/plain_3.mbtiles',
plain_4: __dirname + '/fixtures/plain_4.mbtiles',
non_existent: __dirname + '/fixtures/non_existent.mbtiles',
corrupt: __dirname + '/fixtures/corrupt.mbtiles'
};
try { fs.unlink(fixtures.non_existent); } catch (err) {}
function yieldsError(assert, status, error, msg) {
return function(err) {
assert.ok(err);
var re = new RegExp( "^" + msg, "i");
assert.ok(err.message.match(re));
status[error]++;
};
}
exports['get tiles'] = function(beforeExit, assert) {
var status = {
success: 0,
error: 0
};
new MBTiles(fixtures.plain_1, function(err, mbtiles) {
if (err) throw err;
fs.readdirSync(__dirname + '/fixtures/images/').forEach(function(file) {
var coords = file.match(/^plain_1_(\d+)_(\d+)_(\d+).png$/);
if (coords) {
// Flip Y coordinate because file names are TMS, but .getTile() expects XYZ.
coords[2] = Math.pow(2, coords[3]) - 1 - coords[2];
mbtiles.getTile(coords[3] | 0, coords[1] | 0, coords[2] | 0, function(err, tile, headers) {
if (err) throw err;
assert.deepEqual(tile, fs.readFileSync(__dirname + '/fixtures/images/' + file));
assert.equal(headers['Content-Type'], 'image/png');
assert.ok(!isNaN(Date.parse(headers['Last-Modified'])));
assert.ok(/\d+-\d+/.test(headers['ETag']));
status.success++;
});
}
});
mbtiles.getTile(0, 1, 0, yieldsError(assert, status, 'error', 'Tile does not exist'));
mbtiles.getTile(-1, 0, 0, yieldsError(assert, status, 'error', 'Tile does not exist'));
mbtiles.getTile(0, 0, 1, yieldsError(assert, status, 'error', 'Tile does not exist'));
mbtiles.getTile(3, 1, -1, yieldsError(assert, status, 'error', 'Tile does not exist'));
mbtiles.getTile(2, -3, 3, yieldsError(assert, status, 'error', 'Tile does not exist'));
mbtiles.getTile(18, 2, 262140, yieldsError(assert, status, 'error', 'Tile does not exist'));
mbtiles.getTile(4, 0, 15, yieldsError(assert, status, 'error', 'Tile does not exist'));
});
beforeExit(function() {
assert.equal(status.success, 285);
assert.equal(status.error, 7);
});
};
exports['get grids'] = function(beforeExit, assert) {
var status = {
success: 0,
error: 0
};
new MBTiles(fixtures.plain_2, function(err, mbtiles) {
if (err) throw err;
fs.readdirSync(__dirname + '/fixtures/grids/').forEach(function(file) {
var coords = file.match(/^plain_2_(\d+)_(\d+)_(\d+).json$/);
if (coords) {
// Flip Y coordinate because file names are TMS, but .getTile() expects XYZ.
coords[2] = Math.pow(2, coords[3]) - 1 - coords[2];
mbtiles.getGrid(coords[3] | 0, coords[1] | 0, coords[2] | 0, function(err, grid, headers) {
if (err) throw err;
assert.deepEqual(JSON.stringify(grid), fs.readFileSync(__dirname + '/fixtures/grids/' + file, 'utf8'));
assert.equal(headers['Content-Type'], 'text/javascript');
assert.ok(!isNaN(Date.parse(headers['Last-Modified'])));
assert.ok(/\d+-\d+/.test(headers['ETag']));
status.success++;
});
}
});
mbtiles.getGrid(0, 1, 0, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(-1, 0, 0, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(0, 0, 1, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(3, 1, -1, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(2, -3, 3, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(18, 2, 262140, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(4, 0, 15, yieldsError(assert, status, 'error', 'Grid does not exist'));
});
beforeExit(function() {
assert.equal(status.success, 241);
assert.equal(status.error, 7);
});
};
exports['get grids from file without interaction'] = function(beforeExit, assert) {
var status = {
success: 0,
error: 0
};
new MBTiles(fixtures.plain_1, function(err, mbtiles) {
if (err) throw err;
mbtiles.getGrid(0, 1, 0, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(-1, 0, 0, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(0, 0, -1, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(3, 1, 8, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(2, -3, 0, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(18, 2, 3, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(4, 0, 0, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(4, 3, 8, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(4, 4, 8, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(4, 5, 8, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(4, 13, 4, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(4, 0, 14, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(3, 0, 7, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(3, 6, 2, yieldsError(assert, status, 'error', 'Grid does not exist'));
});
beforeExit(function() {
assert.equal(status.success, 0);
assert.equal(status.error, 14);
});
};
exports['get grids with different schema'] = function(beforeExit, assert) {
var status = {
success: 0,
error: 0
};
new MBTiles(fixtures.plain_4, function(err, mbtiles) {
if (err) throw err;
fs.readdirSync(__dirname + '/fixtures/grids/').forEach(function(file) {
var coords = file.match(/^plain_2_(\d+)_(\d+)_(\d+).json$/);
if (coords) {
// Flip Y coordinate because file names are TMS, but .getTile() expects XYZ.
coords[2] = Math.pow(2, coords[3]) - 1 - coords[2];
mbtiles.getGrid(coords[3] | 0, coords[1] | 0, coords[2] | 0, function(err, grid) {
if (err) throw err;
assert.deepEqual(JSON.stringify(grid), fs.readFileSync(__dirname + '/fixtures/grids/' + file, 'utf8'));
status.success++;
});
}
});
mbtiles.getGrid(0, 1, 0, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(-1, 0, 0, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(0, 0, 1, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(3, 1, -1, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(2, -3, 3, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(18, 2, 262140, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(4, 0, 15, yieldsError(assert, status, 'error', 'Grid does not exist'));
});
beforeExit(function() {
assert.equal(status.success, 241);
assert.equal(status.error, 7);
});
};
exports['get grids from file without interaction'] = function(beforeExit, assert) {
var status = {
success: 0,
error: 0
};
new MBTiles(fixtures.plain_1, function(err, mbtiles) {
if (err) throw err;
mbtiles.getGrid(0, 1, 0, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(-1, 0, 0, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(0, 0, -1, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(3, 1, 8, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(2, -3, 0, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(18, 2, 3, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(4, 0, 0, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(4, 3, 8, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(4, 4, 8, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(4, 5, 8, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(4, 13, 4, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(4, 0, 14, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(3, 0, 7, yieldsError(assert, status, 'error', 'Grid does not exist'));
mbtiles.getGrid(3, 6, 2, yieldsError(assert, status, 'error', 'Grid does not exist'));
});
beforeExit(function() {
assert.equal(status.success, 0);
assert.equal(status.error, 14);
});
};
exports['get tiles from non-existent file'] = function(beforeExit, assert) {
var status = {
success: 0,
error: 0
};
new MBTiles(fixtures.non_existent, function(err, mbtiles) {
if (err) throw err;
mbtiles.getTile(0, 1, 0, yieldsError(assert, status, 'error', 'Tile does not exist'));
mbtiles.getTile(-1, 0, 0, yieldsError(assert, status, 'error', 'Tile does not exist'));
mbtiles.getTile(0, 0, -1, yieldsError(assert, status, 'error', 'Tile does not exist'));
mbtiles.getTile(3, 1, 8, yieldsError(assert, status, 'error', 'Tile does not exist'));
mbtiles.getTile(2, -3, 0, yieldsError(assert, status, 'error', 'Tile does not exist'));
mbtiles.getTile(18, 2, 3, yieldsError(assert, status, 'error', 'Tile does not exist'));
mbtiles.getTile(4, 0, 0, yieldsError(assert, status, 'error', 'Tile does not exist'));
mbtiles.getTile(4, 3, 8, yieldsError(assert, status, 'error', 'Tile does not exist'));
mbtiles.getTile(4, 4, 8, yieldsError(assert, status, 'error', 'Tile does not exist'));
mbtiles.getTile(4, 5, 8, yieldsError(assert, status, 'error', 'Tile does not exist'));
mbtiles.getTile(4, 13, 4, yieldsError(assert, status, 'error', 'Tile does not exist'));
mbtiles.getTile(4, 0, 14, yieldsError(assert, status, 'error', 'Tile does not exist'));
mbtiles.getTile(3, 0, 7, yieldsError(assert, status, 'error', 'Tile does not exist'));
mbtiles.getTile(3, 6, 2, yieldsError(assert, status, 'error', 'Tile does not exist'));
});
beforeExit(function() {
assert.equal(status.success, 0);
assert.equal(status.error, 14);
});
};
exports['get tiles from corrupt file'] = function(beforeExit, assert) {
var status = {
success: 0,
error: 0
};
var error;
new MBTiles(fixtures.corrupt, function(err, mbtiles) {
error = err;
});
beforeExit(function() {
assert.throws(
function() {
throw err;
},
Error
);
});
};