Challenge 23 - Testing Your Work

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Description: You and your team are working on a lexicon-based sentiment analysis application, and created a component that encapsulates the calculation of sentiment scores. This component will be re-used in many workflows, so it is important to make sure that it is behaving correctly. A principled way of accomplishing this is through automated unit testing. Given a sample of the data this component receives as input (input golden data), and a small table with the corresponding expected outputs (output golden data), your goal is to create a workflow that automatically tests this component (testflow). Note: Read more about how to perform testing in KNIME here (https://medium.com/low-code-for-advanced-data-science/testflows-in-knime-analytics-platform-539bd6509980). Note 2: Read more about lexicon-based sentiment analysis here (https://www.knime.com/blog/lexicon-based-sentiment-analysis).

Nodes

• Component Input2 ×
• Component Output2 ×
• Table Reader2 ×
• Variable Creator2 ×
• Catch Errors (Var Ports)1 ×
• Show all 13 nodes

Extensions

• FeatureKNIME Base nodes
• FeatureKNIME Javasnippet
• FeatureKNIME Math Expression (JEP)
• FeatureKNIME Testing Framework UI

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