coca
Coca is a toolbox which is design for legacy system refactoring and analysis, includes call graph, concept analysis, api tree, design patterns suggest. Coca 是一个用于系统重构、系统迁移和系统分析的工具箱。它可以分析代码中的测试坏味道、模块化分析、行数统计、分析调用与依赖、Git 分析以及自动化重构等。
Coca - toolbox for system refactoring and analysis
Coca is a toolbox which is design for legacy system refactoring and analysis, includes call graph, concept analysis, api tree, design patterns suggest. Coca 是一个用于系统重构、系统迁移和系统分析的工具箱。它可以分析代码中的测试坏味道、模块化分析、行数统计、分析调用与依赖、Git 分析以及自动化重构等。
Related Tools: Coco is an effective DevOps analysis and auto-suggest tool.
Migration Guide (Chinese Version): 《系统重构与迁移指南》
Refactoring Modeling:
- Languages Support: Java (full features)
Features List:
Available Commands:
analysis analysis code
api scan HTTP api from annotation
arch project package visualization
bs generate bad smell list and suggestions
call show call graph with specific method
cloc count lines of code with complexity estimation
concept build domain concept from source code
count count most refs function
evaluate evaluate code situation and refactor effort
git analysis git commit history for revs count, summary and suggest
help Help about any command
rcall reverse call graph visualization
refactor auto refactor code
suggest find usable Design Patterns from code
tbs generate tests bad smell
todo scan all todo, and list with time
version version
Getting started
Requirements: graphviz for dot file to image (such as svg, png)
The easiest way to get coca is to use one of the pre-built release binaries which are available for OSX, Linux, Windows on the release page.
You can also install yourself :
go install github.com/modernizing/coca@latest
Usage
Analysis
coca analysis
Arch
coca arch
Android Studio Gradle DSL Module (merge header)
command: coca arch -x "com.android.tools.idea.gradle.dsl" -H true
Android Studio Gradle DSL Module Elements Part:
command: coca arch -x "com.android.tools.idea.gradle.dsl.parser.elements"
Find Bad Smells
coca bs -s type
Examples Result:
{
"dataClass": [
{
"File": "examples/api/BookController.java",
"BS": "dataClass"
}
],
"lazyElement": [
{
"File": "examples/api/model/BookRepresentaion.java",
"BS": "lazyElement"
}
]
}
Code Line Count
coca cloc
Results:
───────────────────────────────────────────────────────────────────────────────
Language Files Lines Blanks Comments Code Complexity
───────────────────────────────────────────────────────────────────────────────
Go 58 31763 7132 890 23741 2847
Java 44 971 208 21 742 62
Markdown 8 238 75 0 163 0
Gherkin Specificati… 2 32 2 16 14 0
Document Type Defin… 1 293 36 0 257 0
License 1 201 32 0 169 0
SQL 1 2 0 0 2 0
SVG 1 199 0 34 165 0
Shell 1 3 1 1 1 0
XML 1 13 0 0 13 0
gitignore 1 61 8 4 49 0
───────────────────────────────────────────────────────────────────────────────
Total 119 33776 7494 966 25316 2909
───────────────────────────────────────────────────────────────────────────────
Estimated Cost to Develop $803,822
Estimated Schedule Effort 14.120551 months
Estimated People Required 6.743156
───────────────────────────────────────────────────────────────────────────────
Results to json
coca cloc --by-file --format json
Cloc by directory
coca cloc ~/intellij-community/android/ --by-directory --include-ext=java,kt --not-match=".*(Test|Tests)\.(kt|java)"
results csv:
module,summary
adt-branding,169
adt-testutils,257
adt-ui,21987
adt-ui-model,3450
android,361270
android-adb,497
android-common,3280
android-debuggers,3030
android-kotlin,8816
android-lang,24796
android-lang-databinding,6392
android-layout-inspector,2533
...
Cloc Top File
coca cloc ~/intellij-community/android/designer/src/com/android/tools/idea --top-file --top-size 10
output to: coca_reporter/sort_cloc.json and also:
| LENGTH | COMPLEXITY | LOCATION |
|--------|------------|-----------------------------------|
| 1642 | 236 | ConstraintLayoutHandler.java |
| 1492 | 375 | ConstraintComponentUtilities.java |
| 1189 | 166 | CommonActions.java |
| 1184 | 325 | ConstraintWidget.java |
| 1169 | 129 | SingleWidgetView.java |
| 1115 | 213 | ScoutArrange.java |
| 1097 | 281 | ScoutWidget.java |
| 1081 | 224 | 3d/Rasterize.java |
| 1016 | 159 | LayoutlibSceneManager.java |
| 1014 | 220 | TimeLinePanel.java |
Build Deps Tree
coca call -c com.phodal.pholedge.book.BookController.createBook -r com.phodal.pholedge.
Examples Results:
Identify Spring API
coca api -f
With Count
coca api -r com.phodal.pholedge. -c
or multi package:
coca api -r com.macro.mall.demo.controller.,com.zheng.cms.admin.,com.phodal.pholedge -c
+------+--------+------------------------------------------------+------------------------------------------------------------------------+
| SIZE | METHOD | URI | CALLER |
+------+--------+------------------------------------------------+------------------------------------------------------------------------+
| 36 | GET | /aliyun/oss/policy | controller.OssController.policy |
| 21 | POST | /aliyun/osscallback | controller.OssController.callback |
| 17 | GET | /subject/list | controller.CmsSubjectController.getList |
| 17 | GET | /esProduct/search | search.controller.EsProductController.search |
| 17 | GET | /order/list | controller.OmsOrderController.list |
| 17 | GET | /productAttribute/list/{cid} | controller.PmsProductAttributeController.getList |
| 17 | GET | /productCategory/list/{parentId} | controller.PmsProductCategoryController.getList |
| 17 | GET | /brand/list | controller.PmsBrandController.getList |
| 17 | GET | /esProduct/search/simple | search.controller.EsProductController.search |
+------+--------+------------------------------------------------+------------------------------------------------------------------------+
Git Analysis
coca git -t
Results:
+---------------------------------------------------------------------------------------------------------------------+-----------+-------------+
| ENTITYNAME | REVSCOUNT | AUTHORCOUNT |
+---------------------------------------------------------------------------------------------------------------------+-----------+-------------+
| build.gradle | 1326 | 36 |
| src/asciidoc/index.adoc | 239 | 20 |
| build-spring-framework/resources/changelog.txt | 187 | 10 |
| spring-core/src/main/java/org/springframework/core/annotation/AnnotationUtils.java | 170 | 10 |
| spring-beans/src/main/java/org/springframework/beans/factory/support/DefaultListableBeanFactory.java | 159 | 15 |
| src/docs/asciidoc/web/webmvc.adoc | 121 | 24 |
| spring-context/src/main/java/org/springframework/context/annotation/ConfigurationClassParser.java | 118 | 9 |
| src/dist/changelog.txt | 118 | 9 |
| spring-webmvc/src/main/java/org/springframework/web/servlet/config/annotation/WebMvcConfigurationSupport.java | 116 | 15 |
| spring-beans/src/main/java/org/springframework/beans/factory/support/AbstractAutowireCapableBeanFactory.java | 113 | 15 |
| spring-web/src/main/java/org/springframework/http/HttpHeaders.java | 111 | 18 |
| src/docs/asciidoc/web/webflux.adoc | 108 | 21 |
| spring-core/src/main/java/org/springframework/core/annotation/AnnotatedElementUtils.java | 107 | 9 |
| spring-test/spring-test.gradle | 105 | 7 |
| spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/RequestMappingHandlerAdapter.java | 105 | 13 |
| spring-messaging/src/main/java/org/springframework/messaging/simp/stomp/StompBrokerRelayMessageHandler.java | 101 | 12 |
| spring-web/src/main/java/org/springframework/web/client/RestTemplate.java | 98 | 17 |
| spring-webmvc/src/main/java/org/springframework/web/servlet/resource/ResourceHttpRequestHandler.java | 96 | 14 |
| org.springframework.core/src/main/java/org/springframework/core/convert/TypeDescriptor.java | 93 | 4 |
| spring-core/src/main/java/org/springframework/core/ResolvableType.java | 92 | 10 |
+---------------------------------------------------------------------------------------------------------------------+-----------+-------------+
Concept Analyser
coca concept
Results Examples:
+------------------+--------+
| WORDS | COUNTS |
+------------------+--------+
| context | 590 |
| resolve | 531 |
| path | 501 |
| content | 423 |
| code | 416 |
| resource | 373 |
| property | 372 |
| session | 364 |
| attribute | 349 |
| properties | 343 |
| headers | 330 |
+------------------+--------+
Count Refs
coca count
Results:
+------------+--------------------------------------------------------------------------+
| REFS COUNT | METHOD |
+------------+--------------------------------------------------------------------------+
| 2 | com.phodal.pholedge.book.BookRepository.byId |
| 2 | com.phodal.pholedge.book.model.Book.toRepresentation |
| 2 | com.phodal.pholedge.book.BookRepository.save |
| 2 | com.phodal.coca.analysis.JavaCallApp.parse |
| 2 | com.phodal.pholedge.book.BookRepository.save |
| 2 | com.phodal.coca.analysis.JavaCallApp.parse |
| 1 | com.phodal.pholedge.book.model.Book.save |
| 1 | evolution.analysis.jv.calls.JavaCallVisitor.parseNewType |
| 1 | evolution.analysis.jv.calls.JavaCallVisitor.isNotSpecialNewWord |
| 1 | com.phodal.pholedge.book.BookMapper.byId |
| 1 | com.phodal.pholedge.book.BookService.updateBook |
| 1 | com.phodal.pholedge.book.BookService.getBooksLists |
| 1 | com.phodal.pholedge.book.BookService.getBookById |
| 1 | com.phodal.pholedge.book.BookMapper.doSave |
| 1 | com.phodal.pholedge.book.BookMapper.list |
| 1 | com.phodal.pholedge.book.BookService.createBook |
| 1 | com.phodal.pholedge.book.BookFactory.create |
| 1 | com.phodal.pholedge.book.BookRepository.list |
| 1 | com.phodal.pholedge.book.model.Book.create |
+------------+--------------------------------------------------------------------------+
Reverse Call Graph
coca rcall -c org.bytedeco.javacpp.tools.TokenIndexer.get
Results:
digraph G {
edge [dir="back"];
"org.bytedeco.javacpp.tools.Parser.extern" -> "org.bytedeco.javacpp.tools.Parser.declarations";
"org.bytedeco.javacpp.tools.Parser.declarations" -> "org.bytedeco.javacpp.tools.Parser.extern";
...
}
Auto Refactor
support:
- rename
- move
- remove unused import
- remove unused class
coca refactor -R rename.coca -p src/main
coca refactor -m move.config -p .
Evaluate
coca evaluate
Arduino Results(Old Version):
+--------------------------------+-------+-----------------------+-------+-----------+
| TYPE | COUNT | LEVEL | TOTAL | RATE |
+--------------------------------+-------+-----------------------+-------+-----------+
| Nullable / Return Null | 0 | Method | 1615 | 0.00% |
| Utils | 7 | Class | 252 | 2.78% |
| Static Method | 0 | Method | 1615 | 0.43% |
| Average Method Num. | 1615 | Method/Class | 252 | 6.408730 |
| Method Num. Std Dev / 标准差 | 1615 | Class | - | 7.344917 |
| Average Method Length | 13654 | Without Getter/Setter | 1100 | 12.412727 |
| Method Length Std Dev / 标准差 | 1615 | Method | - | 20.047092 |
+--------------------------------+-------+-----------------------+-------+-----------+
New Version:
| TYPE | TYPE COUNT | LEVEL | LEVEL TOTAL | VALUE = COUNT / TOTAL |
|--------------------------------|------------|-----------------------|-------------|-----------------------|
| Nullable / Return Null | 0 | Method | 6 | 0.00% |
| Utils | 0 | Class | 14 | 0.00% |
| Static Method | 1 | Method | 6 | 0.00% |
| Average Method Num. | 6 | Method/Class | 14 | 0.428571 |
| Method Num. Std Dev / 标准差 | 6 | Class | - | 0.646206 |
| Average Method Length | 0 | Without Getter/Setter | 0 | NaN |
| Method Length Std Dev / 标准差 | 0 | Method | - | NaN |
Evaluate.json examples
{
"Nullable": {
"Items": [
"nonnull.Name.testNull",
"nonnull.Name.orElseNull",
"org.ofbiz.base.util.UtilURL.fromResource",
"org.ofbiz.base.util.UtilURL.getOfbizHomeRelativeLocationFromFilePath",
"study.huhao.demo.adapters.outbound.persistence.blog.BlogPO.toDomainModel",
"study.huhao.demo.adapters.outbound.persistence.blog.BlogPO.toDomainModel",
"study.huhao.demo.adapters.outbound.persistence.blog.BlogPO.of",
"study.huhao.demo.infrastructure.persistence.blog.BlogPO.convertDomain"
]
},
"ServiceSummary": {
"LifecycleMap": null,
"ReturnTypeMap": {
"BookRepresentaion": [
"com.phodal.pholedge.book.BookService.getBookById",
"com.phodal.pholedge.book.BookService.updateBook"
]
},
"RelatedMethod": null
},
"UtilsSummary": {},
"Summary": {
"UtilsCount": 1,
"ClassCount": 64,
"MethodCount": 161,
"StaticMethodCount": 19
}
}
Todo
coca todo
results:
+------------+-----------------+--------------------------------+--------------------------------------------------------------------------------------+------+
| DATE | AUTHOR | MESSAGES | FILENAME | LINE |
+------------+-----------------+--------------------------------+--------------------------------------------------------------------------------------+------+
| 2019-12-09 | Cristian Maglie | happens on macosx, don't know | app/src/cc/arduino/contributions/libraries/ui/ContributedLibraryTableCellJPanel.java | 118 |
| | | why | | |
| 2019-12-09 | Cristian Maglie | Make this a method of Theme | app/src/cc/arduino/contributions/libraries/ui/ContributedLibraryTableCellJPanel.java | 233 |
| 2019-12-09 | Cristian Maglie | Do a better job in refreshing | app/src/cc/arduino/contributions/libraries/ui/LibraryManagerUI.java | 241 |
| | | only the needed element | | |
| 2019-12-09 | Cristian Maglie | Do a better job in refreshing | app/src/cc/arduino/contributions/libraries/ui/LibraryManagerUI.java | 273 |
| | | only the needed element | | |
| 2019-12-09 | Cristian Maglie | Make this a method of Theme | app/src/cc/arduino/contributions/libraries/ui/MultiLibraryInstallDialog.java | 149 |
| 2019-12-09 | Cristian Maglie | happens on macosx, don't know | app/src/cc/arduino/contributions/packages/ui/ContributedPlatformTableCellJPanel.java | 183 |
| | | why | | |
| 2019-12-09 | Cristian Maglie | show error | app/src/processing/app/Base.java | 1440 |
| 2019-12-09 | Cristian Maglie | error when importing. ignoring | app/src/processing/app/Base.java | 2423 |
| | | :( | | |
| 2019-12-09 | Cristian Maglie | Improve / move error handling | app/src/processing/app/Editor.java | 1541 |
| 2019-12-09 | Cristian Maglie | Should be a Theme value? | app/src/processing/app/EditorHeader.java | 78 |
| 2019-12-09 | Cristian Maglie | Should be a Theme value? | app/src/processing/app/EditorStatus.java | 73 |
| 2019-12-09 | Cristian Maglie | Improve decoupling | app/src/processing/app/EditorTab.java | 465 |
+------------+-----------------+--------------------------------+--------------------------------------------------------------------------------------+------+```
Suggest
coca suggest
results:
+--------+------------------+--------------------------------+
| CLASS | PATTERN | REASON |
+--------+------------------+--------------------------------+
| Insect | factory | too many constructor |
| Bee | factory, builder | complex constructor, too |
| | | many constructor, too many |
| | | parameters |
+--------+------------------+--------------------------------+
Test Bad Smells
coca tbs
results
+---------------------+---------------------------------------------------------------+------+
| TYPE | FILENAME | LINE |
+---------------------+---------------------------------------------------------------+------+
| DuplicateAssertTest | app/test/cc/arduino/i18n/ExternalProcessOutputParserTest.java | 107 |
| DuplicateAssertTest | app/test/cc/arduino/i18n/ExternalProcessOutputParserTest.java | 41 |
| DuplicateAssertTest | app/test/cc/arduino/i18n/ExternalProcessOutputParserTest.java | 63 |
| RedundantPrintTest | app/test/cc/arduino/i18n/I18NTest.java | 71 |
| RedundantPrintTest | app/test/cc/arduino/i18n/I18NTest.java | 72 |
| RedundantPrintTest | app/test/cc/arduino/i18n/I18NTest.java | 77 |
| DuplicateAssertTest | app/test/cc/arduino/net/PACSupportMethodsTest.java | 19 |
| DuplicateAssertTest | app/test/processing/app/macosx/SystemProfilerParserTest.java | 51 |
| DuplicateAssertTest | app/test/processing/app/syntax/PdeKeywordsTest.java | 41 |
| DuplicateAssertTest | app/test/processing/app/tools/ZipDeflaterTest.java | 57 |
| DuplicateAssertTest | app/test/processing/app/tools/ZipDeflaterTest.java | 83 |
| DuplicateAssertTest | app/test/processing/app/tools/ZipDeflaterTest.java | 109 |
+---------------------+---------------------------------------------------------------+------+
Find unused deps
coca deps -p _fixtures/deps/maven_sample
results:
+---------------------------+----------------------------------------+---------+
| GROUPID | ARTIFACTID | SCOPE |
+---------------------------+----------------------------------------+---------+
| org.flywaydb | flyway-core | |
| mysql | mysql-connector-java | runtime |
| org.springframework.cloud | spring-cloud-starter-contract-verifier | test |
+---------------------------+----------------------------------------+---------+
Showcases
Android Studio Analysis Examples. Call with lookup: coca call -l
Roadmap
- bad smell support
- sort method size
- type
- longParameterList
- longMethod
- repeatedSwitches
- complexIf
- largeClass
- refusedBequest
- dataClass
- CLOC
- HTTP API Visualization
- Spring Support
- @Service Support
- API Call Size
- Git
- Revs Counts
- Summary
- git-quick-stats
- Concept
- words NLP
- to domain
- Call & rcall graph
- Count Refs
- AutoRefactor
- remove unused
- move files
- Evaluate
- nullable count
- static count
- method num /length count
- Todo Summary
- Todo with History & Author
- Suggest API for Design Patterns
- factory pattern
- strategy
- builder
- cycle-deps -> adapter / agency
- bad patterns
- singleton
- Evaluate API
- Average Method Length
- Average Class Method Count
- Tests
- Testable?
- Test badsmell -> list [https://testsmells.github.io/pages/testsmells.html]
- IgnoreTest: @Ingore
- EmptyTest: not call in test
- RedundantPrintTest: system.out.println
- SleepyTest: Time.sleep
- RedundantAssertionTest: assertTrue(True)
- UnknownTest: not assert
- DuplicateAssertTest: assert > 5
- TestersOnly: method only call by test
- CrossBorderTest: test method which not in system
- General Fixture: JUnit classes having at least one method not using the entire test fixture defined in the setUp() method
- Arch
- Architecture Visualization
- Architecture Guard
- DSL Design
- Tech Debt from Source Code
- auto create story
- TBD
- Comment Analysis
- incorrect comment ? http://das.encs.concordia.ca/uploads/2018/02/Maldonado_thesis.pdf
- Comment Analysis
Online Code AnalysisWASM supportexpose WASM APIGitHub search code
Pluggableplugin support (Windows Issues)
- Dependence Analysis
- Deps Related Counts
- 3rd-party analysis XML or Groovy Scripts
- Groovy Support
- migrate to Golang Styles
- Story Cmd
- Auto create refactor story
- Clean Code Suggest
- JavaScript Version clean-code-javascript
- More CodeSmells
- Source DesigniteJava
Documents Todo:
- Docs
- Lifecycle for new projects: evaluate (cloc, bad smell, api, git, todo) -> design -> patterns (suggest) -> refactoring ()
- Date Collections
- monolithic
- microservice
- big data
Tech Debt
- Test for Windows
- Duplicate Code
- cmd/ -> user builder to refactoring
Dev
Install Go
brew install go
Env
export GOROOT=/usr/local/opt/go/libexec
export GOPATH=$HOME/.go
export PATH=$PATH:$GOROOT/bin:$GOPATH/bin
clone
git clone https://github.com/modernizing/coca
Test Frameworks
go get github.com/onsi/ginkgo
go get github.com/onsi/gomega
License
Arch based on Tequila
Git Analysis inspired by Code Maat
Test bad smells inspired by Test Smell Examples
@ 2019 A Phodal Huang’s Idea. This code is distributed under the MPL license. See LICENSE in this directory.