Separate code cov and mutation cov unittest generator (#19)

Fixes #18

README.md

@@ -23,7 +23,6 @@ We'd love to hear your feedback, suggestions, and any thoughts you have on mutat
 
 [![Run on Replit](https://replit.com/badge/github/codeintegrity-ai/mutahunter)](https://replit.com/@raghuramabilash/Mutahunterai)
 
-
 ## Table of Contents
 
 - [Features](#features)
@@ -55,10 +54,10 @@ This tool generates unit tests to increase both line and mutation coverage, insp
 ## go to examples/java_maven
 ## remove some tests from BankAccountTest.java
 
-mutahunter gen --test-command "mvn clean test" --code-coverage-report-path "target/site/jacoco/jacoco.xml" --test-file-path "src/test/java/BankAccountTest.java" --source-file-path "src/main/java/com/example/BankAccount.java" --coverage-type jacoco  --model "gpt-4o"
+mutahunter gen-line --test-command "mvn test -Dtest=BankAccountTest" --code-coverage-report-path "target/site/jacoco/jacoco.xml" --coverage-type jacoco --test-file-path "src/test/java/BankAccountTest.java" --source-file-path "src/main/java/com/example/BankAccount.java" --model "gpt-4o" --target-line-coverage 0.9 --max-attempts 3
 
-Line coverage increased from 47.00% to 100.00%
-Mutation coverage increased from 92.86% to 92.86%
+Line Coverage increased from 47.00% to 100.00%
+Mutation Coverage increased from 92.86% to 92.86%
 ```
 
 ## Getting Started with Mutation Testing
@@ -178,4 +177,4 @@ jobs:
 
 ## Cash Bounty Program
 
-Help us improve Mutahunter and get rewarded! We have a cash bounty program to incentivize contributions to the project. Check out the [bounty board](https://docs.google.com/spreadsheets/d/1cT2_O55m5txrUgZV81g1gtqE_ZDu9LlzgbpNa_HIisc/edit?gid=0#gid=0) to see the available bounties and claim one today!
+Help us improve Mutahunter and get rewarded! We have a cash bounty program to incentivize contributions to the project. Check out the [bounty board](https://docs.google.com/spreadsheets/d/1cT2_O55m5txrUgZV81g1gtqE_ZDu9LlzgbpNa_HIisc/edit?gid=0#gid=0) to see the available bounties and claim one today!

examples/java_maven/readme.md

@@ -23,7 +23,7 @@ mutahunter run --test-command "mvn test" --code-coverage-report-path "target/sit
 
 ```bash
 # remove some tests
-mutahunter gen --test-command "mvn test" --code-coverage-report-path "target/site/jacoco/jacoco.xml" --coverage-type jacoco --test-file-path "src/test/java/BankAccountTest.java" --source-file-path "src/main/java/com/example/BankAccount.java" --model "gpt-4o"
+mutahunter gen-line --test-command "mvn test -Dtest=BankAccountTest" --code-coverage-report-path "target/site/jacoco/jacoco.xml" --coverage-type jacoco --test-file-path "src/test/java/BankAccountTest.java" --source-file-path "src/main/java/com/example/BankAccount.java" --model "gpt-4o" --target-line-coverage 0.9 --max-attempts 3
 ```
 
 Check `logs/_latest/html` for mutation report.

src/mutahunter/core/controller.py

@@ -13,17 +13,22 @@
 from mutahunter.core.db import MutationDatabase
 from mutahunter.core.entities.config import MutationTestControllerConfig
 from mutahunter.core.error_parser import extract_error_message
-from mutahunter.core.exceptions import (CoverageAnalysisError,
-                                        MutantKilledError, MutantSurvivedError,
-                                        MutationTestingError,
-                                        ReportGenerationError,
-                                        UnexpectedTestResultError)
+from mutahunter.core.exceptions import (
+    CoverageAnalysisError,
+    MutantKilledError,
+    MutantSurvivedError,
+    MutationTestingError,
+    ReportGenerationError,
+    UnexpectedTestResultError,
+)
 from mutahunter.core.git_handler import GitHandler
 from mutahunter.core.io import FileOperationHandler
 from mutahunter.core.llm_mutation_engine import LLMMutationEngine
 from mutahunter.core.logger import logger
 from mutahunter.core.prompts.mutant_generator import (
-    SYSTEM_PROMPT_MUTANT_ANALYSUS, USER_PROMPT_MUTANT_ANALYSIS)
+    SYSTEM_PROMPT_MUTANT_ANALYSUS,
+    USER_PROMPT_MUTANT_ANALYSIS,
+)
 from mutahunter.core.report import MutantReport
 from mutahunter.core.router import LLMRouter
 from mutahunter.core.runner import MutantTestRunner

src/mutahunter/core/entities/config.py

@@ -15,7 +15,7 @@ class MutationTestControllerConfig:
 
 
 @dataclass
-class UnittestGeneratorConfig:
+class UnittestGeneratorLineConfig:
     model: str
     api_base: str
     test_file_path: str
@@ -24,5 +24,17 @@ class UnittestGeneratorConfig:
     code_coverage_report_path: Optional[str]
     coverage_type: str
     target_line_coverage_rate: float
+    max_attempts: int
+
+
+@dataclass
+class UnittestGeneratorMutationConfig:
+    model: str
+    api_base: str
+    test_file_path: str
+    source_file_path: str
+    test_command: str
+    code_coverage_report_path: Optional[str]
+    coverage_type: str
     target_mutation_coverage_rate: float
     max_attempts: int

src/mutahunter/core/prompts/unittest_generator.py

@@ -41,7 +41,7 @@ class NewTest(BaseModel):
     test_behavior: str = Field(..., description="Short description of the behavior the test covers.")
     lines_to_cover: str = Field(..., description="List of line numbers, currently uncovered, that this specific new test aims to cover.")
     test_name: str = Field(..., description="A short unique test name reflecting the test objective.")
-    test_code: str = Field(..., description="A single test function testing the behavioral description.")
+    test_code: str = Field(..., description="A single test function testing the behavioral description. Do not include boilerplate code. Just the test function.")
     new_imports_code: str = Field(..., description="New imports required for the new test function, or an empty string if none.")
     test_tags: List[str] = Field(..., 
         description="Tags for the test such as 'happy path', 'edge case', 'other'.")