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shazamcrest | Reusable Hamcrest matchers suitable for automated testing

 by   shazam Java Version: Current License: Non-SPDX

 by   shazam Java Version: Current License: Non-SPDX

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kandi X-RAY | shazamcrest Summary

shazamcrest is a Java library. shazamcrest has no bugs, it has no vulnerabilities, it has build file available and it has low support. However shazamcrest has a Non-SPDX License. You can download it from GitHub, Maven.
Shazamcrest is a library that extends the functionality of [hamcrest](http://hamcrest.org/). Assertions on complete beans are made simpler by serialising the actual and expected beans to json, and comparing the two. The diagnostics are leveraging the comparison functionality of IDEs like Eclipse or IntelliJ.
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Support
Quality
Quality
Security
Security
License
License
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kandi-support Support

  • shazamcrest has a low active ecosystem.
  • It has 83 star(s) with 33 fork(s). There are 25 watchers for this library.
  • It had no major release in the last 12 months.
  • There are 11 open issues and 8 have been closed. On average issues are closed in 45 days. There are 4 open pull requests and 0 closed requests.
  • It has a neutral sentiment in the developer community.
  • The latest version of shazamcrest is current.
shazamcrest Support
Best in #Java
Average in #Java
shazamcrest Support
Best in #Java
Average in #Java

quality kandi Quality

  • shazamcrest has 0 bugs and 0 code smells.
shazamcrest Quality
Best in #Java
Average in #Java
shazamcrest Quality
Best in #Java
Average in #Java

securitySecurity

  • shazamcrest has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
  • shazamcrest code analysis shows 0 unresolved vulnerabilities.
  • There are 0 security hotspots that need review.
shazamcrest Security
Best in #Java
Average in #Java
shazamcrest Security
Best in #Java
Average in #Java

license License

  • shazamcrest has a Non-SPDX License.
  • Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.
shazamcrest License
Best in #Java
Average in #Java
shazamcrest License
Best in #Java
Average in #Java

buildReuse

  • shazamcrest releases are not available. You will need to build from source code and install.
  • Deployable package is available in Maven.
  • Build file is available. You can build the component from source.
  • Installation instructions are not available. Examples and code snippets are available.
  • shazamcrest saves you 1184 person hours of effort in developing the same functionality from scratch.
  • It has 2670 lines of code, 266 functions and 45 files.
  • It has medium code complexity. Code complexity directly impacts maintainability of the code.
shazamcrest Reuse
Best in #Java
Average in #Java
shazamcrest Reuse
Best in #Java
Average in #Java
Top functions reviewed by kandi - BETA

kandi has reviewed shazamcrest and discovered the below as its top functions. This is intended to give you an instant insight into shazamcrest implemented functionality, and help decide if they suit your requirements.

  • Recursively find a path element .
    • Detects circular references on an object .
      • Registers exclusion strategy which should be used to exclude fields .
        • Returns whether the given object matches any custom matchers .
          • Asserts that the actual value matches the given matcher .
            • Checks if the given description contains the comparison json .
              • Matches an object of the same bean as the given object .
                • Adds a type to the adapter .
                  • Returns true if actual matches .
                    • Find bean at path .

                      Get all kandi verified functions for this library.

                      Get all kandi verified functions for this library.

                      shazamcrest Key Features

                      Reusable Hamcrest matchers suitable for automated testing

                      Usage

                      copy iconCopydownload iconDownload
                      If the person address streetName does not match the expectations, the following diagnostic message is displayed:
                      
                      <pre>org.junit.ComparisonFailure: address.streetName
                              Expected: Via Roma
                          got: Via Veneto
                              expected:<... "streetName": "Via [Roma]",
                          "streetNumber...> but was:<... "streetName": "Via [Veneto]",
                          "streetNumber...></pre>
                      
                      The exception thrown is a ComparisonFailure which can be used by IDEs like Eclipse and IntelliJ to display a visual representation of the differences.
                      
                      ![Comparison failure diagnostic](/DiffScreenshot.png)
                      
                      Note: in order to get the ComparisonFailure on mismatch the "assertThat" to use is com.shazam.shazamcrest.MatcherAssert.assertThat
                      rather than org.hamcrest.MatcherAssert.assertThat
                      
                      
                      Ignoring fields

                      Testing content of list ignoring some of the fields

                      copy iconCopydownload iconDownload
                      Employee bill = new Employee("Bill", 60, "Micro$oft");
                      Employee appleBill = new Employee("Billie", 60, "Apple");
                      List<Employee> employees = newArrayList(bill, appleBill);
                      
                      Employees[] expectedEmployees = { new Employee("Bill", 60, "Google"), 
                                                        new Employee("Billie", 60, "Facebook") };
                      // this assertion succeeds as we don't compare the company field.     
                      assertThat(employees).usingElementComparatorIgnoringFields("company")
                                           .contains(expectedEmployees);
                      
                      List<ClassOne> input = new ArrayList<>();
                      input.add(...);
                      ...
                      List<ClassTwo> result = new ArrayList<>();
                      ...
                      assertThat(result).usingElementComparatorIgnoringFields("field1", "field2").isEqualTo(input);
                      

                      Shift selected elements by one and return their updated indices

                      copy iconCopydownload iconDownload
                      public int[] moveUp(int[] selecteIndices) {
                          // this assumes that selectedIndices is sorted
                          int[] newSelection = IntStream.range(0, selectedIndices.length)
                              .map(x -> selectedIndices[x] > x ? selectedIndices[x] - 1 : selectedIndices[x])
                              .toArray();
                      
                          IntStream.range(0, selectedIndices.length)
                              .filter(x -> selectedIndices[x] > x)
                              .map(x -> selectedIndices[x])
                              .forEachOrdered(i -> swap(actions, i - 1, i));
                      
                          return newSelection;
                      }
                      
                      public int[] moveUp(int[] selecteIndices) {
                          // this assumes that selecteIndices are sorted
                      
                          // index of the first element to move up or actions.size() if nothing needs to move
                          int firstToMove = IntStream.range(0, selectedIndices.length)
                              .filter(x -> selectedIndices[x] > x)
                              .map(x -> selectedIndices[x])
                              .findFirst()
                              .orElse(actions.size());  
                      
                          int[] newSelection = Arrays.stream(selectedIndices)
                              .map(i -> i >= firstToMove ? i - 1 : i)
                              .toArray();
                      
                          Arrays.stream(selectedIndices)
                              .filter(i -> i >= firstToMove)
                              .forEachOrdered(i -> swap(actions, i - 1, i));
                      
                          return newSelection;
                      }
                      
                      public int[] moveUp(int[] selecteIndices) {
                          // this assumes that selectedIndices is sorted
                          int[] newSelection = IntStream.range(0, selectedIndices.length)
                              .map(x -> selectedIndices[x] > x ? selectedIndices[x] - 1 : selectedIndices[x])
                              .toArray();
                      
                          IntStream.range(0, selectedIndices.length)
                              .filter(x -> selectedIndices[x] > x)
                              .map(x -> selectedIndices[x])
                              .forEachOrdered(i -> swap(actions, i - 1, i));
                      
                          return newSelection;
                      }
                      
                      public int[] moveUp(int[] selecteIndices) {
                          // this assumes that selecteIndices are sorted
                      
                          // index of the first element to move up or actions.size() if nothing needs to move
                          int firstToMove = IntStream.range(0, selectedIndices.length)
                              .filter(x -> selectedIndices[x] > x)
                              .map(x -> selectedIndices[x])
                              .findFirst()
                              .orElse(actions.size());  
                      
                          int[] newSelection = Arrays.stream(selectedIndices)
                              .map(i -> i >= firstToMove ? i - 1 : i)
                              .toArray();
                      
                          Arrays.stream(selectedIndices)
                              .filter(i -> i >= firstToMove)
                              .forEachOrdered(i -> swap(actions, i - 1, i));
                      
                          return newSelection;
                      }
                      
                      actions:               [a, b, c, d, e, f, g, h, i]
                      index:                  0  1  2  3  4  5  6  7  8
                      selectedIndices:       [0, 1, 2,       5, 6,    8]
                      elements to move left:                 f  g     i
                      output:                [a, b, c, d, f, g, e, i, h]
                      
                      public int[] moveUp(int[] selectedIndices) {
                          int[] newIndices = Arrays.copyOf(selectedIndices, selectedIndices.length);
                      
                          for (int i = 0; i < selectedIndices.length; i++) {
                              if (selectedIndices[i] != i) {
                                  swap(actions, selectedIndices[i], selectedIndices[i] - 1);
                                  newIndices[i]--;
                              }
                          }
                      
                          return newIndices;
                      }
                      
                      public int[] moveUp(int[] selectedIndices) {
                          int[] newIndices = Arrays.copyOf(selectedIndices, selectedIndices.length);
                      
                          IntStream.range(0, selectedIndices.length)
                                  .filter(i -> selectedIndices[i] != i)
                                  .forEach(i -> {
                                      swap(actions, selectedIndices[i], selectedIndices[i] - 1);
                                      newIndices[i]--;
                                  });
                      
                          return newIndices;
                      }
                      
                      actions:               [a, b, c, d, e, f, g, h, i]
                      index:                  0  1  2  3  4  5  6  7  8
                      selectedIndices:       [0, 1, 2,       5, 6,    8]
                      elements to move left:                 f  g     i
                      output:                [a, b, c, d, f, g, e, i, h]
                      
                      public int[] moveUp(int[] selectedIndices) {
                          int[] newIndices = Arrays.copyOf(selectedIndices, selectedIndices.length);
                      
                          for (int i = 0; i < selectedIndices.length; i++) {
                              if (selectedIndices[i] != i) {
                                  swap(actions, selectedIndices[i], selectedIndices[i] - 1);
                                  newIndices[i]--;
                              }
                          }
                      
                          return newIndices;
                      }
                      
                      public int[] moveUp(int[] selectedIndices) {
                          int[] newIndices = Arrays.copyOf(selectedIndices, selectedIndices.length);
                      
                          IntStream.range(0, selectedIndices.length)
                                  .filter(i -> selectedIndices[i] != i)
                                  .forEach(i -> {
                                      swap(actions, selectedIndices[i], selectedIndices[i] - 1);
                                      newIndices[i]--;
                                  });
                      
                          return newIndices;
                      }
                      
                      actions:               [a, b, c, d, e, f, g, h, i]
                      index:                  0  1  2  3  4  5  6  7  8
                      selectedIndices:       [0, 1, 2,       5, 6,    8]
                      elements to move left:                 f  g     i
                      output:                [a, b, c, d, f, g, e, i, h]
                      
                      public int[] moveUp(int[] selectedIndices) {
                          int[] newIndices = Arrays.copyOf(selectedIndices, selectedIndices.length);
                      
                          for (int i = 0; i < selectedIndices.length; i++) {
                              if (selectedIndices[i] != i) {
                                  swap(actions, selectedIndices[i], selectedIndices[i] - 1);
                                  newIndices[i]--;
                              }
                          }
                      
                          return newIndices;
                      }
                      
                      public int[] moveUp(int[] selectedIndices) {
                          int[] newIndices = Arrays.copyOf(selectedIndices, selectedIndices.length);
                      
                          IntStream.range(0, selectedIndices.length)
                                  .filter(i -> selectedIndices[i] != i)
                                  .forEach(i -> {
                                      swap(actions, selectedIndices[i], selectedIndices[i] - 1);
                                      newIndices[i]--;
                                  });
                      
                          return newIndices;
                      }
                      

                      Community Discussions

                      Trending Discussions on shazamcrest
                      • Testing content of list ignoring some of the fields
                      • Shift selected elements by one and return their updated indices
                      Trending Discussions on shazamcrest

                      QUESTION

                      Testing content of list ignoring some of the fields

                      Asked 2020-Feb-27 at 04:06

                      I have a scenario where I receive a list from a method call and I would like to assert that the list contains the correct elements. One way to do this would be to look for some detail in each element to see which expected element to compare with - eg. a name. However the elements also contains a random generated UUID that I do not care about comparing.
                      And then I thought a test tool might come to my rescue. Take the following simplified example.

                      I have a class Dog:

                      public class Dog {
                          private String name;
                          private Integer age;
                      }
                      

                      They are contained in a list:

                      List<Dog> dogs = ... many dogs
                      

                      Now I want to test that the list contains the expected dogs, but for some reason I do not know some of the fields - let us say age. I have tried both using assertj and hamcrest but I cannot find the correct solution that both compares two lists while also ignoring some of the fields.

                      Until now this is what I have (using hamcrest):

                      List<Dog> actualDogs = codeUndertest.findDogs(new Owner("Basti"));
                      List<Dog> expectedDogs = createExpectedListOfDogsWithoutTheAge();
                      
                      Matcher.assertThat(actualDogs.get(0), Matcher.is(com.shazam.shazamcrest.matcher.Matchers
                          .sameBeanAs(expectedDogs.(0))
                          .ignoring("age")
                      ))
                      

                      This works but it only compares two objects of class Dog. How do I compare all the dogs in the two list?
                      Bonus question: how do I compare the lists without knowing the order or if I only need to assert that the expected dogs are contained in the list.

                      ANSWER

                      Answered 2020-Feb-27 at 04:06

                      Give a try to AssertJ's usingElementComparatorIgnoringFields:

                      Employee bill = new Employee("Bill", 60, "Micro$oft");
                      Employee appleBill = new Employee("Billie", 60, "Apple");
                      List<Employee> employees = newArrayList(bill, appleBill);
                      
                      Employees[] expectedEmployees = { new Employee("Bill", 60, "Google"), 
                                                        new Employee("Billie", 60, "Facebook") };
                      // this assertion succeeds as we don't compare the company field.     
                      assertThat(employees).usingElementComparatorIgnoringFields("company")
                                           .contains(expectedEmployees);
                      

                      edit: The new recursive comparison API can be used, it gives much finer control about what is being compared: https://assertj.github.io/doc/#assertj-core-recursive-comparison-ignoring-fields

                      Source https://stackoverflow.com/questions/47560225

                      Community Discussions, Code Snippets contain sources that include Stack Exchange Network

                      Vulnerabilities

                      No vulnerabilities reported

                      Install shazamcrest

                      You can download it from GitHub, Maven.
                      You can use shazamcrest like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the shazamcrest component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .

                      Support

                      For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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