tester_definition

type CompileStep struct {
	// Language is the compile language: "c" or "make".
	//   "c"    → invokes clang with default flags (-lm -Wall -Werror) + Flags
	//   "make" → invokes make <Target>
	Language string

	// Source is the source file to compile (required when Language="c").
	Source string

	// Output is the compilation target.
	//   Language="c":    output binary name (e.g. "hello"), written to {SubmissionDir}/{Output}.
	//   Language="make": make target name (e.g. "speller"), equivalent to `make {Output}`.
	Output string

	// Flags are extra compiler flags appended (not replacing) after the default flags.
	Flags []string

	// IncludeParentDir adds -I.. to include the parent directory (e.g. for hellobyte.h).
	IncludeParentDir bool
}

type TestCase struct {
	// Slug is the unique identifier for this test case. For now, it must match the slug of the stage from the course's YAML definition.
	Slug string

	// TestFunc is the function that'll be run against the user's code.
	TestFunc func(testCaseHarness *test_case_harness.TestCaseHarness) error

	// Timeout is the maximum amount of time that the test case can run for.
	Timeout time.Duration

	// RequiredFiles declares files that must exist in the submission directory.
	// The framework checks these before TestFunc; any missing file aborts the test.
	// nil or empty = skip check.
	RequiredFiles []string

	// CompileStep declares a compilation step executed after RequiredFiles check
	// and before TestFunc. nil = skip compilation.
	// The compiled output is written to {SubmissionDir}/{CompileStep.Output}.
	CompileStep *CompileStep

	// BeforeFunc is a custom pre-test hook executed after declarative checks
	// (RequiredFiles, CompileStep) and before TestFunc.
	// nil = skip. Returning an error skips TestFunc. Panics are recovered.
	// Shares the same TestCaseHarness instance as TestFunc.
	BeforeFunc func(testCaseHarness *test_case_harness.TestCaseHarness) error
}

type TesterDefinition struct {
	// Example: spawn_redis_server.sh
	ExecutableFileName       string
	LegacyExecutableFileName string

	TestCases          []TestCase
	AntiCheatTestCases []TestCase
}