QABattle

AI Agent Frameworks / Quiz

Conditional Edges and Router Testing

add_conditional_edges is where your agent makes decisions. Routers are pure functions, so there is no excuse for not testing every branch.

Difficulty
Medium
Format
Quiz
Points
150
Estimate
10 min

// MISSION BRIEF

Your Mission

Conditional edges route a LangGraph based on state: a router function inspects the state and returns a key, a mapping sends execution to the matching node. Routing bugs are agent bugs, and routers are the most unit-testable part of the whole stack.

Scoring: equal weight per question.

// FIRST CONTACT

Battle teaser

add_conditional_edges takes which three things?

  1. AOnly the source node; targets are inferred
  2. BA source node, a routing function over the state, and a mapping from the router's return values to target nodes
  3. CTwo nodes and a probability
  4. DA regex, a callback, and a timeout
Answers, scoring, hints, and the full battle stay sealed.

// SKILL TAGS

langgraphconditional-edgesroutingunit-testingai-agents