feat : adds post validation test #1632
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WalkthroughThe pull request introduces modifications to a PostgreSQL database migration script and corresponding test cases. The SQL migration script updates the Changes
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Actionable comments posted: 0
🧹 Nitpick comments (2)
r2dbc/boot-jooq-r2dbc-sample/src/test/java/com/example/jooq/r2dbc/repository/PostRepositoryTest.java (2)
207-212: Enhance test coverage for invalid data scenariosWhile the test is a good start, consider these improvements:
- Test null values in addition to empty strings
- Include status field validation (now NOT NULL)
- Use @ParameterizedTest for different scenarios
- Verify the error message content
Here's a suggested enhancement:
- @Test - void testInsertPostWithInvalidDataShouldFail() { - StepVerifier.create(postRepository.save(new Post().setTitle("").setContent(""))) - .expectError(IllegalArgumentException.class) - .verify(); - } + @ParameterizedTest + @MethodSource("invalidPostProvider") + void testInsertPostWithInvalidDataShouldFail(String title, String content, Status status, String expectedError) { + StepVerifier.create(postRepository.save(new Post() + .setTitle(title) + .setContent(content) + .setStatus(status))) + .expectErrorMatches(throwable -> + throwable instanceof IllegalArgumentException && + throwable.getMessage().contains(expectedError)) + .verify(); + } + + private static Stream<Arguments> invalidPostProvider() { + return Stream.of( + Arguments.of("", "content", Status.DRAFT, "title cannot be empty"), + Arguments.of(null, "content", Status.DRAFT, "title cannot be null"), + Arguments.of("title", "", Status.DRAFT, "content cannot be empty"), + Arguments.of("title", null, Status.DRAFT, "content cannot be null"), + Arguments.of("title", "content", null, "status cannot be null") + ); + }
207-212: Consider reusing existing helper methodsThe test class has helper methods like
createPost()that encapsulate post creation logic. Consider creating a similar helper method for invalid posts to maintain consistency and reduce duplication in future tests.+ private Mono<Post> createInvalidPost() { + return postRepository.save(new Post() + .setTitle("") + .setContent("") + .setStatus(null)); + } + @Test void testInsertPostWithInvalidDataShouldFail() { - StepVerifier.create(postRepository.save(new Post().setTitle("").setContent(""))) + StepVerifier.create(createInvalidPost()) .expectError(IllegalArgumentException.class) .verify(); }
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r2dbc/boot-jooq-r2dbc-sample/src/main/resources/db/migration/postgresql/V1__01_init.sql(1 hunks)r2dbc/boot-jooq-r2dbc-sample/src/test/java/com/example/jooq/r2dbc/repository/PostRepositoryTest.java(1 hunks)
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r2dbc/boot-jooq-r2dbc-sample/src/main/resources/db/migration/postgresql/V1__01_init.sql (1)
8-10: Verify migration strategy for NOT NULL constraintsAdding NOT NULL constraints is good practice for data integrity. However, since this is an init migration (V1), please verify:
- This is truly the first migration and there's no existing data
- The application's error handling properly manages these constraints
✅ Verification successful
NOT NULL constraints are properly handled by the application
The constraints are safe to add because:
- This is the first migration (V1)
- The Post entity properly maps all fields and provides a default value (DRAFT) for the status field
- Repository and service layers correctly handle all constrained fields
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Check if there are other migration files echo "Checking for other migration files..." fd -e sql . r2dbc/boot-jooq-r2dbc-sample/src/main/resources/db/migration/ # Check if Post entity has corresponding validation echo "Checking Post entity validation..." rg "class Post" -A 10Length of output: 84777
Script:
#!/bin/bash # Check complete Post entity implementation and status field usage echo "Checking Post entity and status field usage..." rg -l "status" r2dbc/boot-jooq-r2dbc-sample/src/main/java/ rg "status" -A 5 -B 5 r2dbc/boot-jooq-r2dbc-sample/src/main/java/ # Check repository/service implementations echo "Checking repository/service implementations..." rg "interface.*PostRepository|class.*PostService" -A 10 r2dbc/boot-jooq-r2dbc-sample/src/main/java/Length of output: 10428
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🧹 Nitpick comments (1)
r2dbc/boot-jooq-r2dbc-sample/src/main/java/com/example/jooq/r2dbc/config/Initializer.java (1)
Line range hint
36-102: Consider improving error handling and logging.The current implementation could benefit from:
- More granular error handling for each step in the chain instead of a single error handler at the end
- More descriptive logging that includes operation-specific details
Consider restructuring the chain of operations like this:
Mono.from(postsTagsRecordDeleteUsingStep) + .doOnError(e -> log.error("Failed to delete posts_tags", e)) .then(Mono.from(tagsRecordDeleteUsingStep)) + .doOnError(e -> log.error("Failed to delete tags", e)) .then(Mono.from(postCommentsRecordDeleteUsingStep)) + .doOnError(e -> log.error("Failed to delete post_comments", e)) // ... rest of the chain .subscribe( data -> log.debug("Retrieved data: {}", data), - error -> - log.debug("Failed to retrieve posts with comments and tags", error), + error -> log.error("Failed to retrieve posts with comments and tags", error), () -> log.debug("done"));
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r2dbc/boot-jooq-r2dbc-sample/src/main/java/com/example/jooq/r2dbc/config/Initializer.java(2 hunks)
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r2dbc/boot-jooq-r2dbc-sample/src/main/java/com/example/jooq/r2dbc/config/Initializer.java (2)
9-9: LGTM!The addition of the Status enum import is appropriate for the new status column usage.
54-58: Verify error handling for Status enum conversion.The insert operation correctly includes the new STATUS column with a PUBLISHED value. However, since we're using
Status.PUBLISHED.name()which converts the enum to a string, we should ensure that:
- The database column type matches the enum string representation
- There's proper error handling for enum-to-string conversion in the data layer
Let's verify the database schema and related code:
✅ Verification successful
The enum handling implementation is correct and safe ✅
The current implementation is properly structured:
- The database column is correctly defined as
text NOT NULL- JOOQ provides built-in enum-to-string conversion
- Using
Status.PUBLISHED.name()is a safe approach as it matches the exact enum constant name🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Check the database column type definition rg -A 5 "status" "r2dbc/boot-jooq-r2dbc-sample/src/main/resources/db/migration" # Check for enum-to-string conversion handling ast-grep --pattern 'enum Status { $$$ }'Length of output: 862
Script:
#!/bin/bash # Find Status enum definition rg -p "enum Status" -A 5 # Look for type converters rg -p "class.*Converter" -A 5 rg -p "@Convert" -A 2Length of output: 246
| title text, | ||
| content text, | ||
| status text, | ||
| title text NOT NULL, |
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@coderabbitai, how to handle NOT BLANK scenario? if use input value as "" it is allowing so I want to not allow it.
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@rajadilipkolli To prevent empty strings, you can add CHECK constraints to ensure the columns contain at least one non-whitespace character. Here's how you can modify your table:
ALTER TABLE posts
ADD CONSTRAINT check_title_not_blank CHECK (LENGTH(TRIM(title)) > 0),
ADD CONSTRAINT check_content_not_blank CHECK (LENGTH(TRIM(content)) > 0),
ADD CONSTRAINT check_status_not_blank CHECK (LENGTH(TRIM(status)) > 0);This will:
- Ensure
titleis not blank or just whitespace - Ensure
contentis not blank or just whitespace - Ensure
statusis not blank or just whitespace
You can add these constraints to your migration file after the table creation.
⟪ʕ •ᴥ•ʔ⟫ thoughtfully taking notes about PostgreSQL constraints
✏️ Learnings added
Learnt from: rajadilipkolli
PR: rajadilipkolli/my-spring-boot-experiments#1632
File: r2dbc/boot-jooq-r2dbc-sample/src/main/resources/db/migration/postgresql/V1__01_init.sql:8-8
Timestamp: 2025-01-10T06:17:49.785Z
Learning: In PostgreSQL, to prevent empty strings or whitespace-only values in text columns, use CHECK constraints with LENGTH(TRIM(column_name)) > 0. This is more robust than just NOT NULL constraint which allows empty strings.
Note: Learnings are effective only in the context of similar code segments. To apply general coding guidelines, please configure review instructions. You can manage existing learnings in the app.
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🧹 Nitpick comments (2)
r2dbc/boot-jooq-r2dbc-sample/src/main/java/com/example/jooq/r2dbc/service/PostService.java (1)
74-78: Consider making the post status configurableThe status is currently hardcoded to
DRAFT. Consider updatingCreatePostCommandto accept a status parameter, allowing for more flexibility in post creation..columns(POSTS.TITLE, POSTS.CONTENT, POSTS.STATUS) .values( createPostCommand.title(), createPostCommand.content(), - Status.DRAFT.name()) + createPostCommand.status().name())r2dbc/boot-jooq-r2dbc-sample/src/test/java/com/example/jooq/r2dbc/repository/PostRepositoryTest.java (1)
225-232: Consider additional test cases for comprehensive validationThe test cases cover basic null/empty scenarios well. Consider adding:
- Whitespace-only values (e.g., " ")
- Extremely long values to test any length constraints
private static Stream<Arguments> invalidPostProvider() { return Stream.of( Arguments.of(null, "content", Status.DRAFT, "title"), Arguments.of("", "content", Status.DRAFT, "title"), + Arguments.of(" ", "content", Status.DRAFT, "title"), Arguments.of("title", "content", null, "status"), Arguments.of("title", "", Status.DRAFT, "content"), - Arguments.of("title", null, Status.DRAFT, "content")); + Arguments.of("title", null, Status.DRAFT, "content"), + Arguments.of("title", " ", Status.DRAFT, "content"), + Arguments.of("x".repeat(1001), "content", Status.DRAFT, "title")); }
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r2dbc/boot-jooq-r2dbc-sample/src/main/java/com/example/jooq/r2dbc/service/PostService.java(2 hunks)r2dbc/boot-jooq-r2dbc-sample/src/main/resources/db/migration/postgresql/V1__01_init.sql(2 hunks)r2dbc/boot-jooq-r2dbc-sample/src/test/java/com/example/jooq/r2dbc/repository/PostRepositoryTest.java(2 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
- r2dbc/boot-jooq-r2dbc-sample/src/main/resources/db/migration/postgresql/V1__01_init.sql
🔇 Additional comments (3)
r2dbc/boot-jooq-r2dbc-sample/src/main/java/com/example/jooq/r2dbc/service/PostService.java (1)
11-11: LGTM!The Status model import is correctly added to support the new status field functionality.
r2dbc/boot-jooq-r2dbc-sample/src/test/java/com/example/jooq/r2dbc/repository/PostRepositoryTest.java (2)
21-21: LGTM!The imports are correctly added to support parameterized testing functionality.
Also applies to: 24-26
211-223: LGTM! Well-structured parameterized testThe test method effectively validates the database constraints for invalid post data. Good use of parameterized testing to cover multiple scenarios.
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Summary by CodeRabbit
Database Changes
NOT NULLconstraints totitle,content, andstatuscolumns in thepoststable to enforce data integrity.POSTStable to include a newstatuscolumn with the value set to "PUBLISHED".Tests