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https://github.com/aserg-ufmg/apidiff
A tool to identify breaking and non-breaking changes between two versions of a Java library
https://github.com/aserg-ufmg/apidiff
api breaking-change hacktoberfest non-breaking-change tool
Last synced: about 1 month ago
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A tool to identify breaking and non-breaking changes between two versions of a Java library
- Host: GitHub
- URL: https://github.com/aserg-ufmg/apidiff
- Owner: aserg-ufmg
- License: mit
- Created: 2017-01-27T11:19:00.000Z (almost 8 years ago)
- Default Branch: master
- Last Pushed: 2021-10-31T00:17:45.000Z (about 3 years ago)
- Last Synced: 2023-09-06T15:11:21.914Z (over 1 year ago)
- Topics: api, breaking-change, hacktoberfest, non-breaking-change, tool
- Language: Java
- Homepage:
- Size: 494 KB
- Stars: 51
- Watchers: 6
- Forks: 17
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# APIDiff
A tool to identify API breaking and non-breaking changes between two versions of a Java library. APIDiff analyses libraries hosted on the distributed version control system _git_.
## Catalog
_Breaking Changes_ are modifications performed in API elements such as types, methods, and fields that may break client applications:
| Element | Breaking Changes (BC) |
| ------------- | ------------- |
| Type | rename, move, move and rename, remove, lost visibility, add final modifier, remove static modifier, change in supertype, remove supertype |
| Method | move, rename, remove, push down, inline, change in parameter list, change in exception list, change in return type, lost visibility, add final modifier, remove static modifier |
| Field | remove, move, push down field, change in default value, change in type field, lost visibility, add final modifier |
_Non-breaking Changes_ are modifications that do not break clients:
| Element | Non-breaking Changes (NBC) |
| ------------- | ------------- |
| Type | add, extract supertype, gain visibility, remove final modifier, add static modifier, add supertype, deprecated type|
| Method | pull up, gain visibility, remove final modifier, add static modifier, deprecated method, add, extract|
| Field | pull up, add, deprecated field, gain visibility, remove final modifier|
The refactorings catalog is reused from [RefDiff](https://github.com/aserg-ufmg/RefDiff).
## Examples
* Detecting changes in version histories:
```java
APIDiff diff = new APIDiff("bumptech/glide", "https://github.com/bumptech/glide.git");
diff.setPath("/home/projects/github");
Result result = diff.detectChangeAllHistory("master", Classifier.API);
for(Change changeMethod : result.getChangeMethod()){
System.out.println("\n" + changeMethod.getCategory().getDisplayName() + " - " + changeMethod.getDescription());
}
```
* Detecting changes in specific commit:
```java
APIDiff diff = new APIDiff("mockito/mockito", "https://github.com/mockito/mockito.git");
diff.setPath("/home/projects/github");
Result result = diff.detectChangeAtCommit("4ad5fdc14ca4b979155d10dcea0182c82380aefa", Classifier.API);
for(Change changeMethod : result.getChangeMethod()){
System.out.println("\n" + changeMethod.getCategory().getDisplayName() + " - " + changeMethod.getDescription());
}
```
* Fetching new commits:
```java
APIDiff diff = new APIDiff("bumptech/glide", "https://github.com/bumptech/glide.git");
diff.setPath("/home/projects/github");
Result result = diff.fetchAndDetectChange(Classifier.API);
for(Change changeMethod : result.getChangeMethod()){
System.out.println("\n" + changeMethod.getCategory().getDisplayName() + " - " + changeMethod.getDescription());
}
```
* Writing a CSV file:
```java
APIDiff diff = new APIDiff("mockito/mockito", "https://github.com/mockito/mockito.git");
diff.setPath("/home/projects/github");
Result result = diff.detectChangeAtCommit("4ad5fdc14ca4b979155d10dcea0182c82380aefa", Classifier.API);
List listChanges = new ArrayList();
listChanges.add("Category;isDeprecated;containsJavadoc");
for(Change changeMethod : result.getChangeMethod()){
String change = changeMethod.getCategory().getDisplayName() + ";" + changeMethod.isDeprecated() + ";" + changeMethod.containsJavadoc() ;
listChanges.add(change);
}
UtilFile.writeFile("output.csv", listChanges);
```
* Filtering Packages according to their names:
```java
Classifier.INTERNAL: Elements that are in packages with the term "internal".
Classifier.TEST: Elements that are in packages with the terms "test"|"tests", or is in source file "src/test", or ends with "test.java"|"tests.java".
Classifier.EXAMPLE: Elements that are in packages with the terms "example"|"examples"|"sample"|"samples"|"demo"|"demos"
Classifier.EXPERIMENTAL: Elements that are in packages with the term "experimental".
Classifier.NON_API: Internal, test, example or experimental elements.
Classifier.API: Elements that are not non-APIs.
```
## Usage
APIDiff is available in the [Maven Central Repository](https://mvnrepository.com/artifact/com.github.aserg-ufmg/apidiff/2.0.0):
```xml
com.github.aserg-ufmg
apidiff
2.0.0
```
## Publications
Aline Brito, Laerte Xavier, Andre Hora, Marco Tulio Valente. [APIDiff: Detecting API Breaking Changes](http://homepages.dcc.ufmg.br/~mtov/pub/2018-saner-apidiff.pdf). In 25th International Conference on Software Analysis, Evolution and Reengineering (SANER), Tool Track, pages 1-5, 2018.
Learn more about our research group at http://aserg.labsoft.dcc.ufmg.br/