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Erlang Testing

Erlang testing wo process hai jisme Erlang/OTP applications ki correctness, reliability, aur…

Overview

Erlang Testing — Quick Facts

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Property: Detail

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Topic: Erlang Testing

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Category: Development / Testing / Erlang…

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Unit Testing: EUnit (built-in)

Topic 1

Kya Hai Erlang Testing

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Bottom (most tests): EUnit — fast,…

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Middle: PropEr — generated inputs…

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Top (fewer tests): Common Test —…

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Cross-cutting: Dialyzer (types),…

Topic 2

EUnit

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Test functions _test() suffix se…

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Test generators _test_() suffix se…

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Assertions: ?assert(Bool),…

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Tests same module me ya separate…

Topic 3

Common Test

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Suite-based: test files _SUITE.erl…

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Setup/teardown at multiple levels:…

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Config passing: test cases ko…

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Logging: detailed HTML reports…

Topic 4

Property-Based Testing — PropEr

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Tum properties define karte ho…

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Agar property fail ho, PropEr…

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Stateful testing — state machine…

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Bugs find karta hai jo manual test…

Topic 5

Mocking — Meck

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Module functions ko temporarily…

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Passthrough — mock sirf specific…

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Expectations — verify karo ke…

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History — function call history…

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Code Coverage — Cover

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Line-level coverage report…

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Kaunsi lines execute hui, kaunsi…

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Rebar3 integration: rebar3 cover

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HTML report generate hota hai…

Topic 7

Static Analysis — Dialyzer

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Type errors find karta hai bina…

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Dead code detect karta hai

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Race conditions identify kar sakta…

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PLT (Persistent Lookup Table) —…

Topic 8

Testing with Rebar3

🚀 | Command | Purpose | Details | |---|---|---| | rebar3 eunit | Run EUnit tests | test/…

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Best Practices

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EUnit pehle likho — har public…

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PropEr for critical logic —…

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CT for integration — database,…

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Mock sparingly — sirf external…

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

Erlang Testing ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

Erlang Testing ka 'Topic' kya hai?

Complete! 🎉

Erlang Testing Complete!

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Erlang Testing Complete

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