refactored DockerfileServiceImpl to return promise instead of callbacks

This commit is contained in:
alecmerdler 2017-03-09 01:26:19 -08:00
commit 4e913f106d
34 changed files with 299 additions and 490 deletions

View file

@ -76,14 +76,15 @@ angular.module('quay').factory('DataFileService', [function() {
return parts.join('/');
};
var handler = new Untar(new Uint8Array(buf));
handler.process(function(status, read, files, err) {
switch (status) {
case 'error':
failure(err);
break;
try {
var handler = new Untar(new Uint8Array(buf));
handler.process(function(status, read, files, err) {
switch (status) {
case 'error':
failure(err);
break;
case 'done':
case 'done':
var processed = [];
for (var i = 0; i < files.length; ++i) {
var currentFile = files[i];
@ -104,8 +105,12 @@ angular.module('quay').factory('DataFileService', [function() {
}
success(processed);
break;
}
});
}
});
} catch (e) {
failure();
}
};
dataFileService.blobToString = function(blob, callback) {

View file

@ -1,127 +0,0 @@
/**
* Service which provides helper methods for extracting information out from a Dockerfile
* or an archive containing a Dockerfile.
*/
angular.module('quay').factory('DockerfileServiceOld', ['DataFileService', 'Config', function(DataFileService, Config) {
var dockerfileService = {};
function DockerfileInfo(contents) {
this.contents = contents;
}
DockerfileInfo.prototype.getRegistryBaseImage = function() {
var baseImage = this.getBaseImage();
if (!baseImage) {
return null;
}
if (baseImage.indexOf(Config.getDomain() + '/') != 0) {
return null;
}
return baseImage.substring(Config.getDomain().length + 1);
};
DockerfileInfo.prototype.getBaseImage = function() {
var imageAndTag = this.getBaseImageAndTag();
if (!imageAndTag) {
return null;
}
// Note, we have to handle a few different cases here:
// 1) someimage
// 2) someimage:tag
// 3) host:port/someimage
// 4) host:port/someimage:tag
var lastIndex = imageAndTag.lastIndexOf(':');
if (lastIndex < 0) {
return imageAndTag;
}
// Otherwise, check if there is a / in the portion after the split point. If so,
// then the latter is part of the path (and not a tag).
var afterColon = imageAndTag.substring(lastIndex + 1);
if (afterColon.indexOf('/') >= 0) {
return imageAndTag;
}
return imageAndTag.substring(0, lastIndex);
};
DockerfileInfo.prototype.getBaseImageAndTag = function() {
var fromIndex = this.contents.indexOf('FROM ');
if (fromIndex < 0) {
return null;
}
var newline = this.contents.indexOf('\n', fromIndex);
if (newline < 0) {
newline = this.contents.length;
}
return $.trim(this.contents.substring(fromIndex + 'FROM '.length, newline));
};
DockerfileInfo.forData = function(contents) {
if (contents.indexOf('FROM ') < 0) {
return;
}
return new DockerfileInfo(contents);
};
var processFiles = function(files, dataArray, success, failure) {
// The files array will be empty if the submitted file was not an archive. We therefore
// treat it as a single Dockerfile.
if (files.length == 0) {
DataFileService.arrayToString(dataArray, function(c) {
var result = DockerfileInfo.forData(c);
if (!result) {
failure('File chosen is not a valid Dockerfile');
return;
}
success(result);
});
return;
}
var found = false;
files.forEach(function(file) {
if (file['name'] == 'Dockerfile') {
DataFileService.blobToString(file.toBlob(), function(c) {
var result = DockerfileInfo.forData(c);
if (!result) {
failure('Dockerfile inside archive is not a valid Dockerfile');
return;
}
success(result);
});
found = true;
}
});
if (!found) {
failure('No Dockerfile found in root of archive');
}
};
dockerfileService.getDockerfile = function(file, success, failure) {
var reader = new FileReader();
reader.onload = function(e) {
var dataArray = reader.result;
DataFileService.readDataArrayAsPossibleArchive(dataArray, function(files) {
processFiles(files, dataArray, success, failure);
}, function() {
// Not an archive. Read directly as a single file.
processFiles([], dataArray, success, failure);
});
};
reader.onerror = failure;
reader.readAsArrayBuffer(file);
};
return dockerfileService;
}]);

View file

@ -52,157 +52,7 @@ describe("DockerfileServiceImpl", () => {
});
it("calls datafile service to read given file as possible archive file", (done) => {
dockerfileServiceImpl.getDockerfile(file,
(dockerfile: DockerfileInfoImpl) => {
expect(readAsFileBufferSpy.calls.argsFor(0)[0]).toEqual(file);
expect(dataFileServiceMock.readDataArrayAsPossibleArchive).toHaveBeenCalled();
done();
},
(error: Event | string) => {
fail("Should not invoke failure callback");
done();
});
});
it("calls datafile service to convert file to string if given file is not an archive", (done) => {
dockerfileServiceImpl.getDockerfile(file,
(dockerfile: DockerfileInfoImpl) => {
expect(dataFileServiceMock.arrayToString.calls.argsFor(0)[0]).toEqual(file);
done();
},
(error: Event | string) => {
fail("Should not invoke success callback");
done();
});
});
it("calls failure callback if given non-archive file that is not a valid Dockerfile", (done) => {
forDataSpy.and.returnValue(null);
dockerfileServiceImpl.getDockerfile(file,
(dockerfile: DockerfileInfoImpl) => {
fail("Should not invoke success callback");
done();
},
(error: Event | string) => {
expect(error).toEqual('File chosen is not a valid Dockerfile');
done();
});
});
it("calls success callback with new DockerfileInfoImpl instance if given valid Dockerfile", (done) => {
dockerfileServiceImpl.getDockerfile(file,
(dockerfile: DockerfileInfoImpl) => {
expect(dockerfile).toBeDefined();
done();
},
(error: Event | string) => {
fail('Should not invoke failure callback');
done();
});
});
it("calls failure callback if given archive file with no Dockerfile present in root directory", (done) => {
dataFileServiceMock.readDataArrayAsPossibleArchive.and.callFake((buf, success, failure) => {
success(invalidArchiveFile);
});
dockerfileServiceImpl.getDockerfile(file,
(dockerfile: DockerfileInfoImpl) => {
fail("Should not invoke success callback");
done();
},
(error: Event | string) => {
expect(error).toEqual('No Dockerfile found in root of archive');
done();
});
});
it("calls datafile service to convert blob to string if given file is an archive", (done) => {
dataFileServiceMock.readDataArrayAsPossibleArchive.and.callFake((buf, success, failure) => {
success(validArchiveFile);
});
dockerfileServiceImpl.getDockerfile(file,
(dockerfile: DockerfileInfoImpl) => {
expect(validArchiveFile[0].toBlob).toHaveBeenCalled();
expect(dataFileServiceMock.blobToString.calls.argsFor(0)[0]).toEqual(validArchiveFile[0].toBlob());
done();
},
(error: Event | string) => {
fail("Should not invoke success callback");
done();
});
});
it("calls failure callback if given archive file with invalid Dockerfile", (done) => {
forDataSpy.and.returnValue(null);
invalidArchiveFile[0].name = 'Dockerfile';
dataFileServiceMock.readDataArrayAsPossibleArchive.and.callFake((buf, success, failure) => {
success(invalidArchiveFile);
});
dockerfileServiceImpl.getDockerfile(file,
(dockerfile: DockerfileInfoImpl) => {
fail("Should not invoke success callback");
done();
},
(error: Event | string) => {
expect(error).toEqual('Dockerfile inside archive is not a valid Dockerfile');
done();
});
});
it("calls success callback with new DockerfileInfoImpl instance if given archive with valid Dockerfile", (done) => {
dataFileServiceMock.readDataArrayAsPossibleArchive.and.callFake((buf, success, failure) => {
success(validArchiveFile);
});
dockerfileServiceImpl.getDockerfile(file,
(dockerfile: DockerfileInfoImpl) => {
expect(dockerfile).toBeDefined();
done();
},
(error: Event | string) => {
fail('Should not invoke failure callback');
done();
});
});
});
describe("extractDockerfile", () => {
var file: any;
var invalidArchiveFile: any[];
var validArchiveFile: any[];
var readAsFileBufferSpy: Spy;
var forDataSpy: Spy;
beforeEach(() => {
dataFileServiceMock.readDataArrayAsPossibleArchive.and.callFake((buf, success, failure) => {
failure([]);
});
dataFileServiceMock.arrayToString.and.callFake((buf, callback) => {
var contents: string = "";
callback(contents);
});
dataFileServiceMock.blobToString.and.callFake((blob, callback) => {
callback(blob.toString());
});
forDataSpy = spyOn(DockerfileInfoImpl, "forData").and.returnValue(new DockerfileInfoImpl(file, configMock));
readAsFileBufferSpy = spyOn(fileReaderMock, "readAsArrayBuffer").and.callFake(() => {
var event: any = {target: {result: file}};
fileReaderMock.onload(event);
});
file = "FROM quay.io/coreos/nginx:latest";
validArchiveFile = [{name: 'Dockerfile', toBlob: jasmine.createSpy('toBlobSpy').and.returnValue(file)}];
invalidArchiveFile = [{name: 'main.exe', toBlob: jasmine.createSpy('toBlobSpy').and.returnValue("")}];
});
it("calls datafile service to read given file as possible archive file", (done) => {
dockerfileServiceImpl.extractDockerfile(file)
dockerfileServiceImpl.getDockerfile(file)
.then((dockerfile: DockerfileInfoImpl) => {
expect(readAsFileBufferSpy.calls.argsFor(0)[0]).toEqual(file);
expect(dataFileServiceMock.readDataArrayAsPossibleArchive).toHaveBeenCalled();
@ -215,31 +65,107 @@ describe("DockerfileServiceImpl", () => {
});
it("calls datafile service to convert file to string if given file is not an archive", (done) => {
done();
dockerfileServiceImpl.getDockerfile(file)
.then((dockerfile: DockerfileInfoImpl) => {
expect(dataFileServiceMock.arrayToString.calls.argsFor(0)[0]).toEqual(file);
done();
})
.catch((error: string) => {
fail('Promise should be resolved');
done();
});
});
it("returns rejected promise if given non-archive file that is not a valid Dockerfile", (done) => {
done();
forDataSpy.and.returnValue(null);
dockerfileServiceImpl.getDockerfile(file)
.then((dockerfile: DockerfileInfoImpl) => {
fail("Promise should be rejected");
done();
})
.catch((error: string) => {
expect(error).toEqual('File chosen is not a valid Dockerfile');
done();
});
});
it("returns resolved promise with new DockerfileInfoImpl instance if given valid Dockerfile", (done) => {
done();
dockerfileServiceImpl.getDockerfile(file)
.then((dockerfile: DockerfileInfoImpl) => {
expect(dockerfile).toBeDefined();
done();
})
.catch((error: string) => {
fail('Promise should be resolved');
done();
});
});
it("returns rejected promise if given archive file with no Dockerfile present in root directory", (done) => {
done();
dataFileServiceMock.readDataArrayAsPossibleArchive.and.callFake((buf, success, failure) => {
success(invalidArchiveFile);
});
dockerfileServiceImpl.getDockerfile(file)
.then((dockerfile: DockerfileInfoImpl) => {
fail('Promise should be rejected');
done();
})
.catch((error: string) => {
expect(error).toEqual('No Dockerfile found in root of archive');
done();
});
});
it("calls datafile service to convert blob to string if given file is an archive", (done) => {
done();
dataFileServiceMock.readDataArrayAsPossibleArchive.and.callFake((buf, success, failure) => {
success(validArchiveFile);
});
dockerfileServiceImpl.getDockerfile(file)
.then((dockerfile: DockerfileInfoImpl) => {
expect(validArchiveFile[0].toBlob).toHaveBeenCalled();
expect(dataFileServiceMock.blobToString.calls.argsFor(0)[0]).toEqual(validArchiveFile[0].toBlob());
done();
})
.catch((error: string) => {
fail('Promise should be resolved');
done();
});
});
it("returns rejected promise if given archive file with invalid Dockerfile", (done) => {
done();
forDataSpy.and.returnValue(null);
invalidArchiveFile[0].name = 'Dockerfile';
dataFileServiceMock.readDataArrayAsPossibleArchive.and.callFake((buf, success, failure) => {
success(invalidArchiveFile);
});
dockerfileServiceImpl.getDockerfile(file)
.then((dockerfile: DockerfileInfoImpl) => {
fail('Promise should be rejected');
done();
})
.catch((error: string) => {
expect(error).toEqual('Dockerfile inside archive is not a valid Dockerfile');
done();
});
});
it("returns resolved promise of new DockerfileInfoImpl instance if given archive with valid Dockerfile", (done) => {
done();
dataFileServiceMock.readDataArrayAsPossibleArchive.and.callFake((buf, success, failure) => {
success(validArchiveFile);
});
dockerfileServiceImpl.getDockerfile(file)
.then((dockerfile: DockerfileInfoImpl) => {
expect(dockerfile).toBeDefined();
done();
})
.catch((error: string) => {
fail('Promise should be resolved');
done();
});
});
});
});

View file

@ -5,21 +5,30 @@ import { Injectable } from 'angular-ts-decorators';
@Injectable(DockerfileService.name)
export class DockerfileServiceImpl implements DockerfileService {
constructor(private DataFileService: any, private Config: any, private FileReaderFactory: () => FileReader) {
constructor(private DataFileService: any,
private Config: any,
private fileReaderFactory: () => FileReader) {
}
public extractDockerfile(file: any): Promise<DockerfileInfoImpl | string> {
public getDockerfile(file: any): Promise<DockerfileInfoImpl | string> {
return new Promise((resolve, reject) => {
var reader: FileReader = this.FileReaderFactory();
var reader: FileReader = this.fileReaderFactory();
reader.onload = (event: any) => {
// FIXME: Debugging
console.log(event.target.result);
this.DataFileService.readDataArrayAsPossibleArchive(event.target.result,
(files: any[]) => {
this.processFiles1(files);
this.processFiles(files)
.then((dockerfileInfo: DockerfileInfoImpl) => resolve(dockerfileInfo))
.catch((error: string) => reject(error));
},
() => {
// Not an archive. Read directly as a single file.
this.processFile1(event.target.result);
this.processFile(event.target.result)
.then((dockerfileInfo: DockerfileInfoImpl) => resolve(dockerfileInfo))
.catch((error: string) => reject(error));
});
};
@ -28,40 +37,7 @@ export class DockerfileServiceImpl implements DockerfileService {
});
}
public getDockerfile(file: any,
success: (dockerfile: DockerfileInfoImpl) => void,
failure: (error: Event | string) => void): void {
var reader: FileReader = this.FileReaderFactory();
reader.onload = (event: any) => {
this.DataFileService.readDataArrayAsPossibleArchive(event.target.result,
(files: any[]) => {
this.processFiles(files, success, failure);
},
() => {
// Not an archive. Read directly as a single file.
this.processFile(event.target.result, success, failure);
});
};
reader.onerror = failure;
reader.readAsArrayBuffer(file);
}
private processFile(dataArray: any,
success: (dockerfile: DockerfileInfoImpl) => void,
failure: (error: ErrorEvent | string) => void): void {
this.DataFileService.arrayToString(dataArray, (contents: string) => {
var result: DockerfileInfoImpl | null = DockerfileInfoImpl.forData(contents, this.Config);
if (result == null) {
failure('File chosen is not a valid Dockerfile');
}
else {
success(result);
}
});
}
private processFile1(dataArray: any): Promise<DockerfileInfoImpl | string> {
private processFile(dataArray: any): Promise<DockerfileInfoImpl | string> {
return new Promise((resolve, reject) => {
this.DataFileService.arrayToString(dataArray, (contents: string) => {
var result: DockerfileInfoImpl | null = DockerfileInfoImpl.forData(contents, this.Config);
@ -75,31 +51,7 @@ export class DockerfileServiceImpl implements DockerfileService {
});
}
private processFiles(files: any[],
success: (dockerfile: DockerfileInfoImpl) => void,
failure: (error: ErrorEvent | string) => void): void {
var found: boolean = false;
files.forEach((file) => {
if (file['name'] == 'Dockerfile') {
this.DataFileService.blobToString(file.toBlob(), (contents: string) => {
var result: DockerfileInfoImpl | null = DockerfileInfoImpl.forData(contents, this.Config);
if (result == null) {
failure('Dockerfile inside archive is not a valid Dockerfile');
}
else {
success(result);
}
});
found = true;
}
});
if (!found) {
failure('No Dockerfile found in root of archive');
}
}
private processFiles1(files: any[]): Promise<DockerfileInfoImpl | string> {
private processFiles(files: any[]): Promise<DockerfileInfoImpl | string> {
return new Promise((resolve, reject) => {
var found: boolean = false;
files.forEach((file) => {

View file

@ -7,19 +7,9 @@ export abstract class DockerfileService {
/**
* Retrieve Dockerfile from given file.
* @param file Dockerfile or archive file containing Dockerfile.
* @param success Success callback with retrieved Dockerfile as parameter.
* @param failure Failure callback with failure message as parameter.
* @return promise Promise which resolves to new DockerfileInfo instance or rejects with error message.
*/
public abstract getDockerfile(file: any,
success: (dockerfile: DockerfileInfo) => void,
failure: (error: ErrorEvent | string) => void): void;
/**
* Retrieve Dockerfile from given file.
* @param file Dockerfile or archive file containing Dockerfile.
* @return promise Promise resolving to new DockerfileInfo instance or rejecting to error message.
*/
public abstract extractDockerfile(file: any): Promise<DockerfileInfo | string>;
public abstract getDockerfile(file: any): Promise<DockerfileInfo | string>;
}

View file

@ -208,10 +208,6 @@ angular.module('quay').factory('TriggerService', ['UtilService', '$sanitize', 'K
return '//Dockerfile';
}
if (subdirectory[subdirectory.length - 1] != '/') {
subdirectory = subdirectory + '/';
}
return '//' + subdirectory.replace(new RegExp('(^\/+|\/+$)'), '') + 'Dockerfile';
};