updated tests and methods

agent/tactical/shared/shared_unix.go

@@ -3,6 +3,34 @@
 
 package shared
 
+import (
+	"os/exec"
+	"path/filepath"
+	"strings"
+)
+
+const (
+	binName    = "tacticalagent"
+)
+
 func GetPython(force bool) {}
 
-func RunMigrations() {}
+func RunMigrations() {}
+
+func GetPythonBin() string {
+	pybin, err := exec.Command("python", "-c", "import sys; print(sys.executable)").Output()
+	if err != nil {
+		return ""
+	}
+
+	return strings.TrimSuffix(string(pybin), "\n")
+}
+
+func GetProgramDirectory() string {
+	return "/usr/local/bin"
+}
+
+func GetProgramBin() string {
+	bin := filepath.Join(GetProgramDirectory(), binName)
+	return bin
+}