1 files changed, 84 insertions, 0 deletions
diff --git a/internal/executor/claude_test.go b/internal/executor/claude_test.go
new file mode 100644
index 0000000..448ab40
--- /dev/null
+++ b/internal/executor/claude_test.go
@@ -0,0 +1,84 @@
+package executor
+
+import (
+	"testing"
+
+	"github.com/claudomator/claudomator/internal/task"
+)
+
+func TestClaudeRunner_BuildArgs_BasicTask(t *testing.T) {
+	r := &ClaudeRunner{}
+	tk := &task.Task{
+		Claude: task.ClaudeConfig{
+			Instructions: "fix the bug",
+			Model:        "sonnet",
+		},
+	}
+
+	args := r.buildArgs(tk)
+
+	expected := []string{"-p", "fix the bug", "--output-format", "stream-json", "--model", "sonnet"}
+	if len(args) != len(expected) {
+		t.Fatalf("args length: want %d, got %d: %v", len(expected), len(args), args)
+	}
+	for i, want := range expected {
+		if args[i] != want {
+			t.Errorf("arg[%d]: want %q, got %q", i, want, args[i])
+		}
+	}
+}
+
+func TestClaudeRunner_BuildArgs_FullConfig(t *testing.T) {
+	r := &ClaudeRunner{}
+	tk := &task.Task{
+		Claude: task.ClaudeConfig{
+			Instructions:       "implement feature",
+			Model:              "opus",
+			MaxBudgetUSD:       5.0,
+			PermissionMode:     "bypassPermissions",
+			SystemPromptAppend: "Follow TDD",
+			AllowedTools:       []string{"Bash", "Edit"},
+			DisallowedTools:    []string{"Write"},
+			ContextFiles:       []string{"/src"},
+			AdditionalArgs:     []string{"--verbose"},
+		},
+	}
+
+	args := r.buildArgs(tk)
+
+	// Check key args are present.
+	argMap := make(map[string]bool)
+	for _, a := range args {
+		argMap[a] = true
+	}
+
+	requiredArgs := []string{
+		"-p", "implement feature", "--output-format", "stream-json",
+		"--model", "opus", "--max-budget-usd", "5.00",
+		"--permission-mode", "bypassPermissions",
+		"--append-system-prompt", "Follow TDD",
+		"--allowedTools", "Bash", "Edit",
+		"--disallowedTools", "Write",
+		"--add-dir", "/src",
+		"--verbose",
+	}
+	for _, req := range requiredArgs {
+		if !argMap[req] {
+			t.Errorf("missing arg %q in %v", req, args)
+		}
+	}
+}
+
+func TestClaudeRunner_BinaryPath_Default(t *testing.T) {
+	r := &ClaudeRunner{}
+	if r.binaryPath() != "claude" {
+		t.Errorf("want 'claude', got %q", r.binaryPath())
+	}
+}
+
+func TestClaudeRunner_BinaryPath_Custom(t *testing.T) {
+	r := &ClaudeRunner{BinaryPath: "/usr/local/bin/claude"}
+	if r.binaryPath() != "/usr/local/bin/claude" {
+		t.Errorf("want custom path, got %q", r.binaryPath())
+	}
+}