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package cmd
import (
"os"
"path/filepath"
"strings"
"testing"
)
func TestParseDotEnv(t *testing.T) {
tests := []struct {
name string
input string
want map[string]string
}{
{
name: "postgres connection string",
input: "DATABASE_URL=postgres://user:pass@localhost:5432/mydb",
want: map[string]string{"DATABASE_URL": "postgres://user:pass@localhost:5432/mydb"},
},
{
name: "https url",
input: "API_URL=https://api.example.com/v1",
want: map[string]string{"API_URL": "https://api.example.com/v1"},
},
{
name: "redis url",
input: "REDIS_URL=redis://localhost:6379",
want: map[string]string{"REDIS_URL": "redis://localhost:6379"},
},
{
name: "quoted https url",
input: `API_URL="https://api.example.com/v1"`,
want: map[string]string{"API_URL": "https://api.example.com/v1"},
},
{
name: "inline // comment after whitespace",
input: "VALUE=hello world // this is a comment",
want: map[string]string{"VALUE": "hello world"},
},
{
name: "inline # comment",
input: "VALUE=some value # inline comment",
want: map[string]string{"VALUE": "some value"},
},
{
name: "// at start of line is skipped",
input: "// this is a comment\nKEY=val",
want: map[string]string{"KEY": "val"},
},
{
name: "plain value unchanged",
input: "KEY=justvalue",
want: map[string]string{"KEY": "justvalue"},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := parseDotEnv(strings.NewReader(tt.input))
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if len(got) != len(tt.want) {
t.Fatalf("got %d keys, want %d: %v", len(got), len(tt.want), got)
}
for k, wantV := range tt.want {
if gotV, ok := got[k]; !ok {
t.Errorf("missing key %q", k)
} else if gotV != wantV {
t.Errorf("key %q: got %q, want %q", k, gotV, wantV)
}
}
})
}
}
func TestStripInlineComment(t *testing.T) {
tests := []struct {
in string
want string
}{
// URLs must not be truncated
{"https://example.com", "https://example.com"},
{"postgres://user:pass@host/db", "postgres://user:pass@host/db"},
{"redis://localhost:6379", "redis://localhost:6379"},
// // as comment: only when preceded by whitespace or at start
{"hello // comment", "hello"},
{"// full line comment", ""},
// # comment
{"value # comment", "value"},
// no comment
{"plainvalue", "plainvalue"},
}
for _, tt := range tests {
got := stripInlineComment(tt.in)
if got != tt.want {
t.Errorf("stripInlineComment(%q) = %q, want %q", tt.in, got, tt.want)
}
}
}
func TestParseDotEnv_CRLF(t *testing.T) {
input := "KEY1=value1\r\nKEY2=value2\r\n# comment\r\nKEY3=value3"
got, err := parseDotEnv(strings.NewReader(input))
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
want := map[string]string{
"KEY1": "value1",
"KEY2": "value2",
"KEY3": "value3",
}
for k, wantV := range want {
if gotV, ok := got[k]; !ok {
t.Errorf("missing key %q", k)
} else if gotV != wantV {
t.Errorf("key %q: got %q, want %q", k, gotV, wantV)
}
}
}
func TestParseDotEnv_ExportPrefix(t *testing.T) {
input := "export DB_HOST=localhost\nexport API_KEY=secret"
got, err := parseDotEnv(strings.NewReader(input))
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if got["DB_HOST"] != "localhost" || got["API_KEY"] != "secret" {
t.Errorf("export prefix not stripped: %v", got)
}
}
func TestParseDotEnv_EmptyValue(t *testing.T) {
input := "EMPTY=\nALSO_EMPTY=\"\""
got, err := parseDotEnv(strings.NewReader(input))
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if v, ok := got["EMPTY"]; !ok || v != "" {
t.Errorf("EMPTY: got %q, want %q", v, "")
}
if v, ok := got["ALSO_EMPTY"]; !ok || v != "" {
t.Errorf("ALSO_EMPTY: got %q, want %q", v, "")
}
}
func TestParseMakefileTargets_BasicTargets(t *testing.T) {
content := "build:\n\tgo build .\n\ntest:\n\tgo test ./...\n\nclean:\n\trm -rf dist\n"
path := filepath.Join(t.TempDir(), "Makefile")
os.WriteFile(path, []byte(content), 0600)
targets := parseMakefileTargets(path, 5)
if len(targets) == 0 {
t.Fatal("expected targets, got none")
}
has := func(name string) bool {
for _, t := range targets {
if t == name {
return true
}
}
return false
}
for _, want := range []string{"build", "test", "clean"} {
if !has(want) {
t.Errorf("target %q not found in %v", want, targets)
}
}
}
func TestParseMakefileTargets_PhonyFirst(t *testing.T) {
content := ".PHONY: build test\nfile.o: file.c\n\tcc -c file.c\nbuild:\n\tgo build .\ntest:\n\tgo test ./...\n"
path := filepath.Join(t.TempDir(), "Makefile")
os.WriteFile(path, []byte(content), 0600)
targets := parseMakefileTargets(path, 5)
idx := map[string]int{}
for i, name := range targets {
idx[name] = i
}
if buildIdx, ok := idx["build"]; ok {
if fileIdx, ok2 := idx["file.o"]; ok2 && buildIdx > fileIdx {
t.Errorf("phony target 'build' should come before 'file.o', got order: %v", targets)
}
}
}
func TestParseMakefileTargets_SkipDollarTargets(t *testing.T) {
content := "$(BINARY): main.go\n\tgo build .\nbuild:\n\tgo build .\n"
path := filepath.Join(t.TempDir(), "Makefile")
os.WriteFile(path, []byte(content), 0600)
targets := parseMakefileTargets(path, 5)
for _, name := range targets {
if strings.Contains(name, "$") {
t.Errorf("variable target %q should be skipped", name)
}
}
}
func TestParseMakefileTargets_MaxTargets(t *testing.T) {
var sb strings.Builder
for i := 0; i < 20; i++ {
sb.WriteString(strings.Repeat("t", i+1) + ":\n\techo ok\n")
}
path := filepath.Join(t.TempDir(), "Makefile")
os.WriteFile(path, []byte(sb.String()), 0600)
targets := parseMakefileTargets(path, 3)
if len(targets) > 3 {
t.Errorf("expected at most 3 targets, got %d: %v", len(targets), targets)
}
}
func TestParseMakefileTargets_EmptyFile(t *testing.T) {
path := filepath.Join(t.TempDir(), "Makefile")
os.WriteFile(path, []byte(""), 0600)
targets := parseMakefileTargets(path, 5)
if len(targets) != 0 {
t.Errorf("expected no targets from empty file, got %v", targets)
}
}
func TestParseMakefileTargets_MissingFile(t *testing.T) {
targets := parseMakefileTargets("/nonexistent/Makefile", 5)
if targets != nil {
t.Errorf("missing file should return nil, got %v", targets)
}
}
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