1 files changed, 115 insertions, 0 deletions
diff --git a/internal/task/validator_test.go b/internal/task/validator_test.go
new file mode 100644
index 0000000..967eed3
--- /dev/null
+++ b/internal/task/validator_test.go
@@ -0,0 +1,115 @@
+package task
+
+import (
+	"strings"
+	"testing"
+)
+
+func validTask() *Task {
+	return &Task{
+		ID:   "test-id",
+		Name: "Valid Task",
+		Claude: ClaudeConfig{
+			Instructions: "do something",
+			WorkingDir:   "/tmp",
+		},
+		Priority: PriorityNormal,
+		Retry:    RetryConfig{MaxAttempts: 1, Backoff: "exponential"},
+	}
+}
+
+func TestValidate_ValidTask_NoError(t *testing.T) {
+	task := validTask()
+	if err := Validate(task); err != nil {
+		t.Errorf("expected no error, got: %v", err)
+	}
+}
+
+func TestValidate_MissingName_ReturnsError(t *testing.T) {
+	task := validTask()
+	task.Name = ""
+	err := Validate(task)
+	if err == nil {
+		t.Fatal("expected error")
+	}
+	if !strings.Contains(err.Error(), "name is required") {
+		t.Errorf("expected 'name is required' in error, got: %v", err)
+	}
+}
+
+func TestValidate_MissingInstructions_ReturnsError(t *testing.T) {
+	task := validTask()
+	task.Claude.Instructions = ""
+	err := Validate(task)
+	if err == nil {
+		t.Fatal("expected error")
+	}
+	if !strings.Contains(err.Error(), "instructions is required") {
+		t.Errorf("expected 'instructions is required' in error, got: %v", err)
+	}
+}
+
+func TestValidate_NegativeBudget_ReturnsError(t *testing.T) {
+	task := validTask()
+	task.Claude.MaxBudgetUSD = -1.0
+	err := Validate(task)
+	if err == nil {
+		t.Fatal("expected error")
+	}
+	if !strings.Contains(err.Error(), "max_budget_usd") {
+		t.Errorf("expected budget error, got: %v", err)
+	}
+}
+
+func TestValidate_InvalidBackoff_ReturnsError(t *testing.T) {
+	task := validTask()
+	task.Retry.Backoff = "random"
+	err := Validate(task)
+	if err == nil {
+		t.Fatal("expected error")
+	}
+	if !strings.Contains(err.Error(), "backoff") {
+		t.Errorf("expected backoff error, got: %v", err)
+	}
+}
+
+func TestValidate_InvalidPriority_ReturnsError(t *testing.T) {
+	task := validTask()
+	task.Priority = "urgent"
+	err := Validate(task)
+	if err == nil {
+		t.Fatal("expected error")
+	}
+	if !strings.Contains(err.Error(), "invalid priority") {
+		t.Errorf("expected priority error, got: %v", err)
+	}
+}
+
+func TestValidate_InvalidPermissionMode_ReturnsError(t *testing.T) {
+	task := validTask()
+	task.Claude.PermissionMode = "yolo"
+	err := Validate(task)
+	if err == nil {
+		t.Fatal("expected error")
+	}
+	if !strings.Contains(err.Error(), "permission_mode") {
+		t.Errorf("expected permission_mode error, got: %v", err)
+	}
+}
+
+func TestValidate_MultipleErrors(t *testing.T) {
+	task := &Task{
+		Retry: RetryConfig{MaxAttempts: 0, Backoff: "bad"},
+	}
+	err := Validate(task)
+	if err == nil {
+		t.Fatal("expected error")
+	}
+	ve, ok := err.(*ValidationError)
+	if !ok {
+		t.Fatalf("expected *ValidationError, got %T", err)
+	}
+	if len(ve.Errors) < 3 {
+		t.Errorf("expected at least 3 errors, got %d: %v", len(ve.Errors), ve.Errors)
+	}
+}