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docs(samples): add UpdateUserEventsJson implementation #388

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Fixes #<issue_number_goes_here> ☕️

If you write sample code, please follow the samples format.

@sborisenkox sborisenkox requested review from a team as code owners March 30, 2022 10:27
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@Neenu1995 Neenu1995 closed this Mar 30, 2022
@Neenu1995 Neenu1995 reopened this Mar 30, 2022
String invalidFilePath = "src/main/resources/user_events_some_invalid.json";

updateEventsTimestamp(filePath);
updateEventsTimestamp(invalidFilePath);
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@Neenu1995 Neenu1995 Mar 30, 2022

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Does the test for these already exist?

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There are no tests for classes which in 'setup' package.

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  1. These samples need tests added.
  2. I really dislike this pattern of relying the main to test. It's inconsistent with how the other java samples are tested, and showing both a valid and an invalid example just makes the example more confusing.

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@sborisenkox sborisenkox Apr 1, 2022

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Could you please clarify, what exactly issue with the tests you observe?
Currently, all the tests are relying on the pattern you recommended on past PR’s.
#303 (comment)

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I did not recommend using the main for testing. In fact, I explictly recommended against it: #303 (comment)

Here's example of how it's typically handled (calling the snippet directly): https://github.com/GoogleCloudPlatform/java-docs-samples/blob/e1ec7d8800f83db0bc7dd3b6f02cfa634802ec52/kms/src/main/java/kms/CreateKeyHsm.java#L41

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Do you mean to remove main method calls from unit tests? Just call methods directly?

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@sborisenkox Yes.

This lets you test for different conditions individually (one test for filepath and one for invalidFilePath) and is less confusing for users to navigate.

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@sborisenkox sborisenkox Apr 5, 2022

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  1. These samples need tests added.
  2. I really dislike this pattern of relying the main to test. It's inconsistent with how the other java samples are tested, and showing both a valid and an invalid example just makes the example more confusing.
  1. Tests for the setup package were added.
  2. Unit tests and some classes were refactored.

Please review.

@kweinmeister kweinmeister changed the title Add UpdateUserEventsJson impl. docs(samples): add UpdateUserEventsJson implementation Mar 30, 2022
@product-auto-label product-auto-label bot added the samples Issues that are directly related to samples. label Mar 31, 2022
String invalidFilePath = "src/main/resources/user_events_some_invalid.json";

updateEventsTimestamp(filePath);
updateEventsTimestamp(invalidFilePath);

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  1. These samples need tests added.
  2. I really dislike this pattern of relying the main to test. It's inconsistent with how the other java samples are tested, and showing both a valid and an invalid example just makes the example more confusing.

@Neenu1995 Neenu1995 added the kokoro:force-run Add this label to force Kokoro to re-run the tests. label Apr 5, 2022
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@Neenu1995 Neenu1995 added the kokoro:force-run Add this label to force Kokoro to re-run the tests. label Apr 6, 2022
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Please take some time to review the Sample Style Guide. And look at some example snippets. Here's a good example of a snippet following the style guide:

https://github.com/GoogleCloudPlatform/java-docs-samples/blob/main/kms/src/main/java/kms/CreateKeyAsymmetricDecrypt.java

Comment on lines 45 to 55
String bucketName = System.getenv("EVENTS_BUCKET_NAME");
String gcsBucket = String.format("gs://%s", bucketName);
String gcsErrorsBucket = String.format("%s/error", gcsBucket);
String gcsUserEventsObject = "user_events.json";
// TO CHECK ERROR HANDLING USE THE JSON WITH INVALID USER EVENT:
// gcsEventsObject = "user_events_some_invalid.json"

ImportUserEventsRequest importEventsGcsRequest =
getImportEventsGcsRequest(gcsUserEventsObject, gcsBucket, gcsErrorsBucket, defaultCatalog);
importUserEventsFromGcs(importEventsGcsRequest);
}
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The main function should be example values only. See Method Structure in the Samples Style Guide.

It should look something like:

public static void main(String[] args) {
    // TODO(developer): Replace these variables before running the sample.
    String catalog = String.format(
            "projects/%s/locations/global/catalogs/%s", "your-project-id" "your-catalog-name")
    // Path to a file containing UserEvents to import in a GCS bucket
    String gcsFile = String.format("gs://your-bucket-name/path/to/file.json")
    importUserEventsFromGcs(catalog, gcsFile);
}

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Changed.


while (!operation.getDone()) {
System.out.println("Please wait till operation is done.");
Thread.sleep(30_000);
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Please use the java.time package here.

Suggested change
Thread.sleep(30_000);
TimeUnit.SECONDS.sleep(30);

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Changed.

OperationsClient operationsClient = serviceClient.getOperationsClient();
Operation operation = operationsClient.getOperation(operationName);

while (!operation.getDone()) {
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I would recommend adding a timeout of some form to this loop so it cannot continue indefinitely.

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Added.

System.out.printf("Operation result: %s%n", response);
}
} catch (InvalidArgumentException e) {
try (UserEventServiceClient serviceClient = UserEventServiceClient.create()) {
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Make sure to include the comment regarding client best practices.

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Done.

Comment on lines 57 to 81
public static ImportUserEventsRequest getImportEventsGcsRequest(
String gcsEventsObject, String gcsBucket, String gcsErrorsBucket, String defaultCatalog) {
GcsSource gcsSource =
GcsSource.newBuilder()
.addInputUris(String.format("%s/%s", gcsBucket, gcsEventsObject))
.build();

UserEventInputConfig inputConfig =
UserEventInputConfig.newBuilder().setGcsSource(gcsSource).build();

System.out.println("GRS source: " + gcsSource.getInputUrisList());

importUserEventsFromGcs(gcsEventsObject, defaultCatalog);
ImportErrorsConfig errorsConfig =
ImportErrorsConfig.newBuilder().setGcsPrefix(gcsErrorsBucket).build();

ImportUserEventsRequest importRequest =
ImportUserEventsRequest.newBuilder()
.setParent(defaultCatalog)
.setInputConfig(inputConfig)
.setErrorsConfig(errorsConfig)
.build();

System.out.printf("Import user events from google cloud source request: %s%n", importRequest);

return importRequest;
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This doesn't need to be a seperate method - we should only be adding additional methods if it improve readability. See Class Structure.

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I've changed some classes, but others should have methods calls to prepare snippet resources.

}
} catch (BigQueryException e) {
System.out.printf("Exception message: %s", e.getMessage());
} catch (InvalidArgumentException e) {
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When can this "InvalidArgumentException" happen? Can we add a try/catch for this exception just where it's relevant?

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It's relevant in that case when bucket has no specified file.
Also added PermissionDeniedException for case when env variable bucketName can't be read properly.

Comment on lines +30 to +34
Timestamp currentDate =
Timestamp.newBuilder()
.setSeconds(Instant.now().getEpochSecond())
.setNanos(Instant.now().getNano())
.build();
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This doesn't need to be in main (it should be part of the sample).

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We don't need to create a new bucket every time when running the unit test.
In the code sample, bucket name contains timestamp.
In the test class, bucket has static name.

Comment on lines 121 to 122
"Given GCS input path was not found. %n%s%n"
+ "Please run CreateTestResources class to create resources.",
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User's typically copy/paste these samples to run. If they need a specific resource, we should explain to them how to make it in a comment at the top of the snippet.

Suggested change
"Given GCS input path was not found. %n%s%n"
+ "Please run CreateTestResources class to create resources.",
"The specified GCS file does not exist. Please make sure to create one following the instructions at the top of this file. ",

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Explanation and all setup instructions will be described in a separate space.
Comment was changed.


private static final String BUCKET_NAME =
String.format("%s_events_%s", PROJECT_ID, CURRENT_DATE.getSeconds());

public static void main(String... args) throws IOException {
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these have to be String[] to be proper main functions.

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Done.

Comment on lines +49 to +50
// TO CHECK ERROR HANDLING USE THE JSON WITH INVALID USER EVENT:
// gcsEventsObject = "user_events_some_invalid.json"
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This should just be a separate test in your tests file. You can have one where you call a valid file (e.g.importUimportUserEventsFromGcs("your-catalog", "user-events.json) and one where you call an invalid file (e.g.importUimportUserEventsFromGcs("your-catalog", "some-invalid-file.json). You shouldn't be depending on someone to edit a comment out, because that means it's not being run the in the CI.

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Added.

@product-auto-label product-auto-label bot added the size: xl Pull request size is extra large. label Apr 14, 2022
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Can you please refactor this into smaller CLs? There are 68 changed files here and a diff of +- 2,000 lines. This is way too much to review in a single CL.

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sborisenkox commented Apr 25, 2022

Can you please refactor this into smaller CLs? There are 68 changed files here and a diff of +- 2,000 lines. This is way too much to review in a single CL.

I have split into 4 PR's.
#415
#417
#418
#419

I close this PR.

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