forked from leplatrem/node-get
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basic.test.js
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basic.test.js
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var path = require('path');
var assert = require('assert');
var crypto = require('crypto');
var exec = require('child_process').exec;
var fs = require('fs');
var get = require('..');
function md5(obj) {
if (!Array.isArray(obj)) obj = [ obj ];
var hash = crypto.createHash('md5');
obj.forEach(hash.update.bind(hash));
return hash.digest('hex');
}
var files = [
{
url: 'https://docs.google.com/a/dbsgeo.com/spreadsheet/pub?hl=en_US&hl=en_US&key=0AqV4OJpywingdFNYLXpKMmxqMG1lWTJzNE45ZUVnNlE&single=true&gid=0&output=csv',
bin: false,
redirects: 1,
md5: 'a4d019d2bfedc55e84447f833ed71dff'
},
{
url: 'http://tilemill-data.s3.amazonaws.com/images/paperfolds_256.png',
bin: true,
md5: 'a99502016d4e2124cf2dc4775aafc256'
},
{
url: 'http://tilemill-data.s3.amazonaws.com/test_data/ipsum.json',
bin: true,
md5: '651ea0ff31786e9be9012112b21573be'
},
{
url: 'http://tilemill-data.s3.amazonaws.com/test_data/README.txt',
bin: false,
md5: '46d883d71e795d7c8a65c9b1a6673dd2'
},
{
url: 'http://tilemill-data.s3.amazonaws.com/test_data/shape_demo.zip',
bin: true,
md5: 'b5ff3545922cc9e0c750fb7263a7a3d3'
},
{
url: 'http://tilemill-data.s3.amazonaws.com/nasa_raster/lasvegas_tm5_12jan09_crop_geo_merc_small.tif',
bin: true,
md5: '3b97134839042fcab0d0ee8ea76f73c4'
},
{
url: 'http://dcatlas.dcgis.dc.gov/catalog/download.asp?downloadID=2315&downloadTYPE=ESRI',
bin: true,
md5: 'ac629823b373e7308087264d9f00ef5c'
}
];
// Ensure that we start over with a clean test_data directory.
before(function(done) {
exec('rm -rf ./test_data && mkdir ./test_data', done);
});
describe('get().perform', function() {
files.forEach(function(reference) {
it('should return request object for ' + reference.url, function(done) {
this.timeout(0);
new get({
uri: reference.url,
headers: { 'User-Agent': 'tombot' }
}).perform(function(err, result) {
var body = [];
if (reference.error) {
assert.ok(err);
assert.eql(err.message, reference.error);
done();
} else if (err) {
done(err);
} else {
result.on('error', done);
result.on('data', function(chunk) {
body.push(chunk);
});
result.on('close', function(err) {
assert.equal(md5(body), reference.md5);
done();
});
result.on('end', function() {
assert.equal(md5(body), reference.md5);
done();
});
}
});
});
});
});
describe('get().toDisk', function() {
files.forEach(function(reference) {
it('should save to disk for ' + reference.url, function(done) {
this.timeout(0);
new get({
uri: reference.url,
headers: { 'User-Agent': 'tombot' }
}).toDisk('test_data/file_' + reference.md5, function(err, result) {
if (reference.error) {
assert.ok(err);
assert.equal(err.message, reference.error);
done();
} else if (err) {
done(err);
} else {
assert.equal(md5(fs.readFileSync(result)), reference.md5);
done();
}
});
});
});
});
describe('get().asString', function() {
files.forEach(function(reference) {
it('should return as string for ' + reference.url, function(done) {
this.timeout(0);
new get({
uri: reference.url,
headers: { 'User-Agent': 'tombot' }
}).asString(function(err, result) {
if (reference.bin && err) {
assert.equal(err.message, "Can't download binary file as string");
done();
} else if (reference.bin) {
done(new Error('Should not return binary files as string'));
} else if (reference.error) {
assert.equal(err.message, reference.error);
done();
} else if (err) {
done(err);
} else {
assert.equal(md5(result), reference.md5);
done();
}
});
});
});
});
describe('get().asBuffer', function() {
files.forEach(function(reference) {
it('should return as buffer for ' + reference.url, function(done) {
this.timeout(0);
new get({
uri: reference.url,
headers: { 'User-Agent': 'tombot' }
}).asBuffer(function(err, result) {
if (reference.error) {
assert.equal(err.message, reference.error);
done();
} else if (err) {
done(err);
} else {
assert.equal(md5(result), reference.md5);
done();
}
});
});
});
});
describe('max_length', function() {
it('should abort .asBuffer() if the max_length is exceeded', function(done) {
this.timeout(0);
new get({
uri: 'http://tilemill-data.s3.amazonaws.com/images/paperfolds_256.png',
headers: { 'User-Agent': 'tombot' },
max_length: 10000
}).asBuffer(function(err) {
assert.ok(err);
assert.equal(err.message, 'File exceeds maximum allowed length of 10000 bytes');
done();
});
});
it('should abort .asString() if the max_length is exceeded', function(done) {
this.timeout(0);
new get({
uri: 'http://tilemill-data.s3.amazonaws.com/test_data/README.txt',
headers: { 'User-Agent': 'tombot' },
max_length: 10
}).asString(function(err) {
assert.ok(err);
assert.equal(err.message, 'File exceeds maximum allowed length of 10 bytes');
done();
});
});
});