package daemon
import (
"testing"
)
func TestExtractPortFromCommand(t *testing.T) {
tests := []struct {
name string
command string
args []string
expected int
}{
{"next dev with -p", "npm", []string{"run", "dev"}, 0}, // No port in args
{"next dev with -p 3000", "next", []string{"dev", "-p", "3000"}, 3000},
{"vite with --port", "vite", []string{"--port", "5173"}, 5173},
{"vite with --port=", "vite", []string{"--port=5173"}, 5173},
{"npm run with port in args", "npm", []string{"run", "dev", "--", "-p", "4000"}, 4000},
{"go run", "go", []string{"run", "main.go"}, 0},
{"localhost:port pattern", "node", []string{"server.js", "--host", "localhost:8080"}, 8080},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := extractPortFromCommand(tt.command, tt.args)
if got != tt.expected {
t.Errorf("extractPortFromCommand(%q, %v) = %d, want %d", tt.command, tt.args, got, tt.expected)
}
})
}
}
func TestExtractPortFromPackageJsonScript(t *testing.T) {
tests := []struct {
name string
script string
expected int
}{
{"next dev -p 3465", "next dev -p 3465", 3465},
{"next dev -p 3000", "next dev -p 3000", 3000},
{"vite --port 5173", "vite --port 5173", 5173},
{"vite --port=8080", "vite --port=8080", 8080},
{"just next dev", "next dev", 0},
{"PORT=3000 node", "PORT=3000 node server.js", 3000},
{"webpack dev server", "webpack serve --port 9000", 9000},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := extractPortFromCommand(tt.script, nil)
if got != tt.expected {
t.Errorf("extractPortFromCommand(%q, nil) = %d, want %d", tt.script, got, tt.expected)
}
})
}
}
func TestDetectEADDRINUSE(t *testing.T) {
tests := []struct {
name string
output string
expected int
}{
{
"Next.js EADDRINUSE",
`Error: listen EADDRINUSE: address already in use :::3465`,
3465,
},
{
"Node.js EADDRINUSE",
`Error: listen EADDRINUSE: address already in use 127.0.0.1:3000`,
3000,
},
{
"Generic address in use",
`Failed to start server\nError: address already in use :8080`,
8080,
},
{
"Port already in use message",
`Error: port 4000 is already in use`,
4000,
},
{
"No error",
`Server started successfully on port 3000`,
0,
},
{
"Empty",
"",
0,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := detectEADDRINUSE(tt.output)
if got != tt.expected {
t.Errorf("detectEADDRINUSE(%q) = %d, want %d", tt.output, got, tt.expected)
}
})
}
}
