- A
Add a post-build action in the buildspec that checks coverage and exits with non-zero if below threshold.
Why wrong: This would work but is not the most integrated approach.
- B
Configure CodeBuild to fail the build if the test report indicates coverage below 80% using the buildspec's reports section.
CodeBuild can evaluate test report metrics and fail the build.
- C
Enable CodeBuild's 'Test Reporting' feature and set a threshold in the CodeBuild project configuration.
Why wrong: CodeBuild project does not have a threshold setting for coverage.
- D
Use a CodePipeline condition to check the test report artifact and fail the pipeline if coverage is low.
Why wrong: CodePipeline conditions do not directly evaluate test report contents.
Question 155 of 1,750
Configuring CodeBuild to Fail the Build When Test Coverage Drops Below Threshold
This DOP-C02 practice question tests your understanding of sdlc automation. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company uses AWS CodePipeline to orchestrate builds and deployments. The build stage uses CodeBuild to run unit tests and generate a report. The team wants to fail the pipeline if the test coverage drops below 80%. How should the engineer configure this?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Configure CodeBuild to fail the build if the test report indicates coverage below 80% using the buildspec's reports section.
Option B is correct because CodeBuild's `reports` section in the buildspec allows you to specify a `file-format` (e.g., Cobertura, JaCoCo) and set a `coverage` threshold under the `reports` group. When the coverage falls below the defined percentage, CodeBuild automatically marks the build as FAILED, which propagates to CodePipeline and stops the pipeline. This is the native, supported mechanism for failing builds based on test coverage without requiring custom scripting.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Add a post-build action in the buildspec that checks coverage and exits with non-zero if below threshold.
Why it's wrong here
This would work but is not the most integrated approach.
- ✓
Configure CodeBuild to fail the build if the test report indicates coverage below 80% using the buildspec's reports section.
Why this is correct
CodeBuild can evaluate test report metrics and fail the build.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Enable CodeBuild's 'Test Reporting' feature and set a threshold in the CodeBuild project configuration.
Why it's wrong here
CodeBuild project does not have a threshold setting for coverage.
- ✗
Use a CodePipeline condition to check the test report artifact and fail the pipeline if coverage is low.
Why it's wrong here
CodePipeline conditions do not directly evaluate test report contents.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume a custom script (Option A) is the only way to enforce coverage thresholds, overlooking that CodeBuild's built-in `reports` section natively supports coverage thresholds and is the recommended, declarative approach in AWS.
Detailed technical explanation
How to think about this question
Under the hood, CodeBuild parses the `reports` section in the buildspec and uses the specified file format (e.g., Cobertura XML) to extract coverage data. The `coverage` threshold is evaluated per report group; if the actual coverage is below the threshold, CodeBuild sets the build status to FAILED and includes a reason in the build detail. This integration avoids the need for custom scripts and ensures consistent behavior across pipeline executions, even when using different test frameworks.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this DOP-C02 question test?
SDLC Automation — This question tests SDLC Automation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Configure CodeBuild to fail the build if the test report indicates coverage below 80% using the buildspec's reports section. — Option B is correct because CodeBuild's `reports` section in the buildspec allows you to specify a `file-format` (e.g., Cobertura, JaCoCo) and set a `coverage` threshold under the `reports` group. When the coverage falls below the defined percentage, CodeBuild automatically marks the build as FAILED, which propagates to CodePipeline and stops the pipeline. This is the native, supported mechanism for failing builds based on test coverage without requiring custom scripting.
What should I do if I get this DOP-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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