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Getting started with ETL & Data Engineering ‐‐ Slides(Download)
JAPPS edited this page Jul 15, 2026
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Download the zip file ➤➤ data_engineering_slides.zip
Visit here to learn more Data Engineering concepts and automations, ETL & Data testing.
Visit the Zerocode Documentation Site for all usages.
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User's Guide
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Matchers
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Zerocode Value Tokens
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YAML DSL
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Http Testing
- External JSON file content
- External YAML file content / YAML step-reuse
- Env Switching - CI,DIT,SIT etc
- Sending "Content-Type": "application/x-www-form-urlencoded"
- Http max implicit delay and connection timeout
- Retry mechanism
- File Upload Testing - Send POST request via form-data
- Sending bare JSON String in the body
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Kafka Testing
- Introduction
- Produce, consume proto message
- Produce raw message
- Consume raw message
- Produce JSON message
- Consume JSON message
- Produce and consume XML message
- Kafka - consume the latest message or n latest messages
- Produce avro message
- Consume avro message
- KSQL in action
- Produce multiple records
- Produce from file
- Produce to a partition
- Produce and consume records with headers
- Produce n assert partition ack
- Comsume and dump to file
- commitSync vs commitAsync
- Overriding config inside a test
- Chosing String or Int or Avro Serializer
- Chosing String or Int or Avro Deserializer
- Attaching timestamp during load
- Default timestamp provided by Kafka
- Consume and assert avro schema metadata
- Error handling - produce via avro schema
- Sorting Kafka records consumed
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DB Testing
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Kotlin Testing
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Performance Testing - Load and Stress
- Performance Testing - via awesome JUnit runners
- Load Vs Stress generation on target application
- Run a single test or a scenario in parallel
- Run multiple test scenarios in parallel - Production load simulation
- Dynamically change the payload for every request
- Analytics - Useful report(s) or statistics
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Parameterized Testing
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Docker
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More+
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Extensions
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JUnit5 Jupiter Test
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Questions And Answers(FAQ)
- What is Zerocode testing?
- SSL http https connections supported?
- How to assert array size Greater-Than Lesser-Than etc?
- How to invoke POST api?
- How to assert custom headers of the response?
- How to pass custom security token into the request header?
- When to use JUnit Suite runner and when Zerocode Package runner?
- How to execute DB SQL and assert?
- How to handle Http response other than utf-8 e.g. utf-16 or utf-32 ?
- Random Number Generator Placeholders Usages and Limits
- Automation tests for Zerocode lib itself
- Picking a leaf value from the array matching JSON Path
- Array assertions made easy, incl. size and element finder
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Read Our Blogs
- Top 16 Open Source API Testing Tools For REST & SOAP Services - joecolantonio (Lists popular tools - Globally)
- OAuth2 Test Automation - DZone 2min Read
- Zero defect APIs - Build Pipe Line - Medium 10 min Read
- Develop ZeroDefect API's with ZeroCode! - Extreme Portal ( A must read for all developers and test engineers) 10min Read
- Performance testing using JUnit and maven - Codeproject 10 min Read
- REST API or SOAP End Point Testing - Codeproject 10min Read
- DZone- MuleSoft API Testing With Zerocode Test Framework - DZone 5min Read
- Testing need not be harder or slower, it should be easier and faster - DZone 5 min Read
- Kotlin Integration Testing simplified via Zerocode - Extreme portal 10 min Read
- and More...