adhoc testing
How Ad-hoc Testing Complements Automated & Regression Testing
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By Vivek Nair
Updated on: 8/02/25
8 min read

Table Of Content

Automated and regression testing work well for scripted flows. But bugs rarely stick to scripts. Most real-world failures show up in paths testers didn’t plan for. That’s where adhoc testing proves its value.

This method allows testers to explore applications without fixed test cases. It brings spontaneity and manual testing flexibility into structured QA processes. When automation misses edge conditions or regression packs overlook a broken UI state, adhoc testing steps in.

Teams now mix adhoc testing and exploratory testing with automation to uncover real-world bug detection opportunities. Platforms like BotGauge support this by helping QA teams move between automation and unscripted software testing without slowing down delivery.

What Is Adhoc Testing and Why Teams Use It in 2025

Modern QA teams need more than just scripts to ensure product quality. Bugs often appear in areas no one expected, especially when release timelines are tight. That’s why many teams rely on adhoc testing, a fast, flexible approach that surfaces hidden issues during live testing sessions.

1. The Core Idea Behind Adhoc Testing

Adhoc testing skips formal documentation and allows testers to use instinct, experience, and context. It’s reactive, fast, and driven by actual user behavior. There’s no need for detailed test plans, just a willingness to push the system and observe how it responds.

  • No test cases or predefined steps
  • Tester-driven, real-time execution
  • Used to validate updates or spot regressions quickly

This style of unscripted software testing is especially valuable in fast-moving environments.

2. Where It Fits in the QA Lifecycle

Teams use adhoc testing in late sprints, before release, or during bug triage. It fits between structured regression runs and automation cycles, often picking up what both miss.

  • Good for edge case detection
  • Helps identify test coverage gaps
  • Validates real-world usability scenarios
  • Informs future scripted or automated cases

Now that we’ve defined how adhoc testing works, let’s see how it compares to exploratory and scripted testing in actual QA workflows.

Adhoc Testing vs Exploratory Testing vs Scripted Testing

Not all manual testing is the same. QA teams today use different testing styles depending on their goals, tools, and timelines. Understanding how adhoc testing, exploratory testing, and scripted testing differ helps teams apply the right method at the right time.

1. Adhoc Testing

  • No documentation, no plan
  • Driven by tester instinct and experience
  • Useful during emergencies, post-deploy checks, or when documentation is missing
  • Best for spontaneous test execution and catching last-minute bugs

2. Exploratory Testing

  • Has a charter or purpose but no fixed steps
  • Involves learning, designing, and executing tests simultaneously
  • Encourages QA creativity and deep product understanding
  • Useful in early-stage features and uncertain user flows

3. Scripted Testing

  • Based on predefined test cases
  • Repeatable, trackable, and works well for regression
  • Supports compliance testing and structured QA
  • Limited when facing real-world bug detection needs or sudden changes

Each testing type adds value. But adhoc testing and exploratory testing are ideal when you need speed, flexibility, and fast feedback on unstable or complex features.

Here’s a short and detailed comparison table between Adhoc Testing, Exploratory Testing, and Scripted Testing formatted for web or blog use:

AspectAdhoc TestingExploratory TestingScripted Testing
PlanningNo planning or documentationHas a test goal or charterBased on predefined test cases
Execution StyleSpontaneous, real-timeSimultaneous learning and testingFollows fixed steps and expected results
Tester RoleRelies on experience and instinctRequires product knowledge and critical thinkingFollows test instructions exactly
Use CaseUrgent checks, unknown issues, post-release bugsEarly feature validation, usability insightsRegression, compliance, and repeatable QA checks
FlexibilityHighMedium to highLow
DocumentationNoneLight (notes or session-based)Fully documented
Best ForEdge case detection, bug reproductionQA creativity, user behavior analysisStructured testing, traceability, reporting

Let’s now explore why adhoc testing continues to matter—even in modern, automation-heavy QA setups.

Why Adhoc Testing Is Still Relevant in 2025

Even with high test automation coverage, QA teams still miss bugs that don’t follow a script. That’s why adhoc testing remains part of modern workflows. It gives testers the freedom to act fast, think critically, and fill in the blind spots automation often leaves behind.

Benefits of Adhoc Testing:

  • Faster Bug Discovery: No setup required. Just open the app and start testing.
  • Real-World User Scenarios: Testers mimic user behavior that scripted cases don’t cover.
  • Fills Automation Gaps: Catches edge case detection issues that regression testing might skip.
  • Flexible QA Response: Useful when specs change mid-sprint or last-minute bugs show up.
  • No Test Coverage Bottlenecks: Helps identify test coverage gaps without waiting for case updates.

Teams that combine adhoc testing and exploratory testing with automation stay more prepared for real-world bugs.

Next, let’s look at when to use adhoc testing in modern QA workflows and how to make it effective under time pressure.

When to Use Adhoc Testing in Modern QA Workflows

Timing is everything. Knowing when to apply adhoc testing can uncover bugs that formal QA cycles miss. These sessions are fast, flexible, and ideal when you need real-time insights without the wait for scripted updates.

Ideal Scenarios for 2025:

1. Tight Deadlines

When there’s no time to write formal test cases, testers use adhoc testing to validate changes quickly and spot obvious breakages.

2. Post-Deployment Health Checks

After a release, teams often perform spontaneous test execution to ensure critical paths still work as expected.

3. Exploratory Sessions Before Major Releases

Pairing adhoc testing and exploratory testing before a major rollout helps catch high-impact issues in unpredictable flows.

4. Bug Reproduction or Patch Validation

Testers use unscripted software testing to replicate and validate bugs reported by users, especially when the path isn’t well defined.

Next, we’ll cover the tools and techniques that make adhoc testing faster, smarter, and easier to scale.

Common Tools and Techniques for Smarter Adhoc Testing

Adhoc testing doesn’t mean guessing. Smart testers use quick tools, dev utilities, and structured notes to speed up unplanned testing and keep findings clear. These techniques help make unscripted sessions more productive—especially when combined with automation.

Useful Tools and Approaches:

1. Browser DevTools

Inspect network requests, console logs, and UI behavior to spot unexpected issues in real time.

2. Session-Based Note Taking

Track steps, bugs, and insights using simple tools like Notion, Testpad, or Google Docs.

3. Dev-QA Pairing

Collaborate live with developers to test unstable features or edge cases before final merge.

4. Log Review

Use application logs or Postman to test API behavior without waiting on front-end hooks.

5. Automation-Aware Testing

Run quick adhoc testing on automation blind spots or flaky test areas—especially where regression test failures don’t explain root causes.

These methods give manual testing flexibility without slowing down the team.

Now let’s look at how BotGauge supports adhoc testing inside real QA pipelines alongside automation and regression.

How We at BotGauge Fit Seamlessly into Adhoc and Regression Testing

At BotGauge, we understand that scripted tests alone don’t catch everything. We built our AI agent to power both adhoc testing and automated regression without extra effort. Our platform has already generated over one million test cases for clients across industries.

We provide:

  • Natural Language Test Creation: You write test steps in English; we create executable scripts across UI, API, database, and visual layers.
  • Self-Healing Capabilities: Our AI automatically updates tests to match UI or logic changes, slashing maintenance time.
  • Full-Stack Functional Testing: We support end-to-end validation, visual regression, and accessibility checks at scale.
  • Massive Speed and Cost Benefits: Teams report testing that’s 20× faster and 85 % more cost-efficient than traditional methods.

Our AI-driven platform fills automation blind spots, enables unscripted software testing, and integrates into CI/CD pipelines. With 10+ years of QA experience behind us, BotGauge makes adhoc and regression testing smarter, faster, and more reliable.

Explore more BotGauge’s features → BotGauge

Final Thoughts

Adhoc testing is often misunderstood. Many teams avoid it due to lack of structure, missing documentation, or limited traceability. Without a clear framework, testers may overlook critical areas or struggle to repeat sessions reliably.

This lack of structure can result in missed bugs, delayed fixes, and last-minute fire-fighting before releases. Teams relying only on automation or scripted flows end up blind to unexpected issues, leading to broken features in production and angry users.

That’s why we built BotGauge to bring speed, structure, and accuracy to adhoc testing. Our AI agent lets teams test quickly, catch issues automation misses, and scale unplanned tests with confidence. No more guessing, just real coverage, real bugs, and faster QA.Let’s connect and test your QA with BotGauge’s adhoc flow.

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