Migrate to Viper for unified configuration management (bd-78)
- Add Viper dependency and create internal/config package - Initialize Viper singleton with config file search paths - Bind all global flags to Viper with proper precedence (flags > env > config > defaults) - Replace manual os.Getenv() calls with config.GetString/GetBool/GetDuration - Update CONFIG.md with comprehensive Viper documentation - Add comprehensive tests for config precedence and env binding - Walk up parent directories to discover .beads/config.yaml from subdirectories - Add env key replacer for hyphenated keys (BD_NO_DAEMON -> no-daemon) - Remove deprecated prefer-global-daemon setting - Move Viper config apply before early-return to support version/init/help commands Hybrid architecture maintains separation: - Viper: User-specific tool preferences (--json, --no-daemon, etc.) - bd config: Team-shared project data (Jira URLs, Linear tokens, etc.) All tests passing. Closes bd-78, bd-79, bd-80, bd-81, bd-82, bd-83. Amp-Thread-ID: https://ampcode.com/threads/T-0d0f8c1d-b877-4fa9-8477-b6fea63fb664 Co-authored-by: Amp <amp@ampcode.com>
This commit is contained in:
Steve Yegge
246
internal/config/config_test.go
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246
internal/config/config_test.go
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package config
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import (
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"os"
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"path/filepath"
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"testing"
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"time"
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)
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func TestInitialize(t *testing.T) {
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// Test that initialization doesn't error
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err := Initialize()
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if err != nil {
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t.Fatalf("Initialize() returned error: %v", err)
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}
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if v == nil {
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t.Fatal("viper instance is nil after Initialize()")
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}
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}
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func TestDefaults(t *testing.T) {
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// Reset viper for test isolation
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err := Initialize()
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if err != nil {
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t.Fatalf("Initialize() returned error: %v", err)
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}
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tests := []struct {
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key string
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expected interface{}
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getter func(string) interface{}
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}{
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{"json", false, func(k string) interface{} { return GetBool(k) }},
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{"no-daemon", false, func(k string) interface{} { return GetBool(k) }},
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{"no-auto-flush", false, func(k string) interface{} { return GetBool(k) }},
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{"no-auto-import", false, func(k string) interface{} { return GetBool(k) }},
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{"db", "", func(k string) interface{} { return GetString(k) }},
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{"actor", "", func(k string) interface{} { return GetString(k) }},
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{"flush-debounce", 5 * time.Second, func(k string) interface{} { return GetDuration(k) }},
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{"auto-start-daemon", true, func(k string) interface{} { return GetBool(k) }},
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}
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for _, tt := range tests {
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t.Run(tt.key, func(t *testing.T) {
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got := tt.getter(tt.key)
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if got != tt.expected {
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t.Errorf("GetXXX(%q) = %v, want %v", tt.key, got, tt.expected)
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}
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})
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}
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}
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func TestEnvironmentBinding(t *testing.T) {
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// Test environment variable binding
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tests := []struct {
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envVar string
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key string
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value string
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expected interface{}
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getter func(string) interface{}
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}{
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{"BD_JSON", "json", "true", true, func(k string) interface{} { return GetBool(k) }},
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{"BD_NO_DAEMON", "no-daemon", "true", true, func(k string) interface{} { return GetBool(k) }},
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{"BD_ACTOR", "actor", "testuser", "testuser", func(k string) interface{} { return GetString(k) }},
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{"BD_DB", "db", "/tmp/test.db", "/tmp/test.db", func(k string) interface{} { return GetString(k) }},
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{"BEADS_FLUSH_DEBOUNCE", "flush-debounce", "10s", 10 * time.Second, func(k string) interface{} { return GetDuration(k) }},
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{"BEADS_AUTO_START_DAEMON", "auto-start-daemon", "false", false, func(k string) interface{} { return GetBool(k) }},
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}
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for _, tt := range tests {
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t.Run(tt.envVar, func(t *testing.T) {
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// Set environment variable
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oldValue := os.Getenv(tt.envVar)
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os.Setenv(tt.envVar, tt.value)
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defer os.Setenv(tt.envVar, oldValue)
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// Re-initialize viper to pick up env var
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err := Initialize()
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if err != nil {
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t.Fatalf("Initialize() returned error: %v", err)
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}
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got := tt.getter(tt.key)
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if got != tt.expected {
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t.Errorf("GetXXX(%q) with %s=%s = %v, want %v", tt.key, tt.envVar, tt.value, got, tt.expected)
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}
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})
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}
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}
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func TestConfigFile(t *testing.T) {
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// Create a temporary directory for config file
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tmpDir := t.TempDir()
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// Create a config file
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configContent := `
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json: true
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no-daemon: true
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actor: configuser
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flush-debounce: 15s
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`
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configPath := filepath.Join(tmpDir, "config.yaml")
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if err := os.WriteFile(configPath, []byte(configContent), 0644); err != nil {
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t.Fatalf("failed to write config file: %v", err)
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}
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// Change to tmp directory so config file is discovered
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origDir, err := os.Getwd()
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if err != nil {
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t.Fatalf("failed to get working directory: %v", err)
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}
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defer os.Chdir(origDir)
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// Create .beads directory
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beadsDir := filepath.Join(tmpDir, ".beads")
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if err := os.MkdirAll(beadsDir, 0755); err != nil {
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t.Fatalf("failed to create .beads directory: %v", err)
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}
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// Move config to .beads directory
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beadsConfigPath := filepath.Join(beadsDir, "config.yaml")
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if err := os.Rename(configPath, beadsConfigPath); err != nil {
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t.Fatalf("failed to move config file: %v", err)
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}
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if err := os.Chdir(tmpDir); err != nil {
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t.Fatalf("failed to change directory: %v", err)
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}
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// Initialize viper
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err = Initialize()
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if err != nil {
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t.Fatalf("Initialize() returned error: %v", err)
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}
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// Test that config file values are loaded
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if got := GetBool("json"); got != true {
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t.Errorf("GetBool(json) = %v, want true", got)
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}
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if got := GetBool("no-daemon"); got != true {
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t.Errorf("GetBool(no-daemon) = %v, want true", got)
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}
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if got := GetString("actor"); got != "configuser" {
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t.Errorf("GetString(actor) = %q, want \"configuser\"", got)
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}
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if got := GetDuration("flush-debounce"); got != 15*time.Second {
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t.Errorf("GetDuration(flush-debounce) = %v, want 15s", got)
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}
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}
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func TestConfigPrecedence(t *testing.T) {
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// Create a temporary directory for config file
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tmpDir := t.TempDir()
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// Create a config file with json: false
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configContent := `json: false`
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beadsDir := filepath.Join(tmpDir, ".beads")
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if err := os.MkdirAll(beadsDir, 0755); err != nil {
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t.Fatalf("failed to create .beads directory: %v", err)
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}
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configPath := filepath.Join(beadsDir, "config.yaml")
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if err := os.WriteFile(configPath, []byte(configContent), 0644); err != nil {
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t.Fatalf("failed to write config file: %v", err)
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}
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// Change to tmp directory
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origDir, err := os.Getwd()
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if err != nil {
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t.Fatalf("failed to get working directory: %v", err)
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}
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defer os.Chdir(origDir)
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if err := os.Chdir(tmpDir); err != nil {
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t.Fatalf("failed to change directory: %v", err)
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}
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// Test 1: Config file value (json: false)
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err = Initialize()
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if err != nil {
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t.Fatalf("Initialize() returned error: %v", err)
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}
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if got := GetBool("json"); got != false {
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t.Errorf("GetBool(json) from config file = %v, want false", got)
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}
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// Test 2: Environment variable overrides config file
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os.Setenv("BD_JSON", "true")
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defer os.Unsetenv("BD_JSON")
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err = Initialize()
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if err != nil {
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t.Fatalf("Initialize() returned error: %v", err)
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}
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if got := GetBool("json"); got != true {
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t.Errorf("GetBool(json) with env var = %v, want true (env should override config)", got)
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}
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}
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func TestSetAndGet(t *testing.T) {
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err := Initialize()
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if err != nil {
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t.Fatalf("Initialize() returned error: %v", err)
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}
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// Test Set and Get
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Set("test-key", "test-value")
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if got := GetString("test-key"); got != "test-value" {
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t.Errorf("GetString(test-key) = %q, want \"test-value\"", got)
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}
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Set("test-bool", true)
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if got := GetBool("test-bool"); got != true {
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t.Errorf("GetBool(test-bool) = %v, want true", got)
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}
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Set("test-int", 42)
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if got := GetInt("test-int"); got != 42 {
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t.Errorf("GetInt(test-int) = %d, want 42", got)
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}
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}
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func TestAllSettings(t *testing.T) {
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err := Initialize()
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if err != nil {
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t.Fatalf("Initialize() returned error: %v", err)
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}
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Set("custom-key", "custom-value")
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settings := AllSettings()
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if settings == nil {
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t.Fatal("AllSettings() returned nil")
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}
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// Check that our custom key is in the settings
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if val, ok := settings["custom-key"]; !ok || val != "custom-value" {
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t.Errorf("AllSettings() missing or incorrect custom-key: got %v", val)
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}
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}
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