minimum dependencies (#51)

benchmark_test.go

@@ -8,9 +8,8 @@ import (
 	"sync"
 	"testing"
 
-	"github.com/stretchr/testify/require"
-
 	"github.com/ktong/konf"
+	"github.com/ktong/konf/internal/assert"
 )
 
 func BenchmarkNew(b *testing.B) {
@@ -24,13 +23,13 @@ func BenchmarkNew(b *testing.B) {
 	b.StopTimer()
 
 	konf.SetGlobal(config)
-	require.NoError(b, err)
-	require.Equal(b, "v", konf.Get[string]("k"))
+	assert.NoError(b, err)
+	assert.Equal(b, "v", konf.Get[string]("k"))
 }
 
 func BenchmarkGet(b *testing.B) {
 	config, err := konf.New(konf.WithLoader(mapLoader{"k": "v"}))
-	require.NoError(b, err)
+	assert.NoError(b, err)
 	konf.SetGlobal(config)
 	b.ResetTimer()
 
@@ -40,17 +39,17 @@ func BenchmarkGet(b *testing.B) {
 	}
 	b.StopTimer()
 
-	require.Equal(b, "v", value)
+	assert.Equal(b, "v", value)
 }
 
 func BenchmarkWatch(b *testing.B) {
 	watcher := mapWatcher(make(chan map[string]any))
 	config, err := konf.New(konf.WithLoader(watcher))
-	require.NoError(b, err)
+	assert.NoError(b, err)
 	konf.SetGlobal(config)
 
 	cfg := konf.Get[string]("config")
-	require.Equal(b, "string", cfg)
+	assert.Equal(b, "string", cfg)
 	var waitGroup sync.WaitGroup
 	waitGroup.Add(b.N)
 	ctx, cancel := context.WithCancel(context.Background())
@@ -61,7 +60,7 @@ func BenchmarkWatch(b *testing.B) {
 
 			cfg = konf.Get[string]("config")
 		})
-		require.NoError(b, err)
+		assert.NoError(b, err)
 	}()
 	b.ResetTimer()
 
@@ -71,5 +70,5 @@ func BenchmarkWatch(b *testing.B) {
 	waitGroup.Wait()
 	b.StopTimer()
 
-	require.Equal(b, "changed", cfg)
+	assert.Equal(b, "changed", cfg)
 }

config_test.go

@@ -9,9 +9,8 @@ import (
 	"sync"
 	"testing"
 
-	"github.com/stretchr/testify/require"
-
 	"github.com/ktong/konf"
+	"github.com/ktong/konf/internal/assert"
 )
 
 func TestConfig_Unmarshal(t *testing.T) {
@@ -26,26 +25,26 @@ func TestConfig_Unmarshal(t *testing.T) {
 			description: "empty values",
 			assert: func(config *konf.Config) {
 				var cfg string
-				require.NoError(t, config.Unmarshal("config", &cfg))
-				require.Equal(t, "", cfg)
+				assert.NoError(t, config.Unmarshal("config", &cfg))
+				assert.Equal(t, "", cfg)
 			},
 		},
 		{
 			description: "nil loader",
 			opts:        []konf.Option{konf.WithLoader(nil)},
 			assert: func(config *konf.Config) {
 				var cfg string
-				require.NoError(t, config.Unmarshal("config", &cfg))
-				require.Equal(t, "", cfg)
+				assert.NoError(t, config.Unmarshal("config", &cfg))
+				assert.Equal(t, "", cfg)
 			},
 		},
 		{
 			description: "for primary type",
 			opts:        []konf.Option{konf.WithLoader(mapLoader{"config": "string"})},
 			assert: func(config *konf.Config) {
 				var cfg string
-				require.NoError(t, config.Unmarshal("config", &cfg))
-				require.Equal(t, "string", cfg)
+				assert.NoError(t, config.Unmarshal("config", &cfg))
+				assert.Equal(t, "string", cfg)
 			},
 		},
 		{
@@ -55,8 +54,8 @@ func TestConfig_Unmarshal(t *testing.T) {
 				var cfg struct {
 					Config string
 				}
-				require.NoError(t, config.Unmarshal("", &cfg))
-				require.Equal(t, "struct", cfg.Config)
+				assert.NoError(t, config.Unmarshal("", &cfg))
+				assert.Equal(t, "struct", cfg.Config)
 			},
 		},
 		{
@@ -72,8 +71,8 @@ func TestConfig_Unmarshal(t *testing.T) {
 			},
 			assert: func(config *konf.Config) {
 				var cfg string
-				require.NoError(t, config.Unmarshal("config.nest", &cfg))
-				require.Equal(t, "string", cfg)
+				assert.NoError(t, config.Unmarshal("config.nest", &cfg))
+				assert.Equal(t, "string", cfg)
 			},
 		},
 		{
@@ -90,8 +89,8 @@ func TestConfig_Unmarshal(t *testing.T) {
 			},
 			assert: func(config *konf.Config) {
 				var cfg string
-				require.NoError(t, config.Unmarshal("config_nest", &cfg))
-				require.Equal(t, "string", cfg)
+				assert.NoError(t, config.Unmarshal("config_nest", &cfg))
+				assert.Equal(t, "string", cfg)
 			},
 		},
 		{
@@ -107,8 +106,8 @@ func TestConfig_Unmarshal(t *testing.T) {
 			},
 			assert: func(config *konf.Config) {
 				var cfg string
-				require.NoError(t, config.Unmarshal("config.nest", &cfg))
-				require.Equal(t, "", cfg)
+				assert.NoError(t, config.Unmarshal("config.nest", &cfg))
+				assert.Equal(t, "", cfg)
 			},
 		},
 		{
@@ -118,8 +117,8 @@ func TestConfig_Unmarshal(t *testing.T) {
 			},
 			assert: func(config *konf.Config) {
 				var configured bool
-				require.NoError(t, config.Unmarshal("configured", &configured))
-				require.True(t, configured)
+				assert.NoError(t, config.Unmarshal("configured", &configured))
+				assert.True(t, configured)
 			},
 		},
 	}
@@ -131,7 +130,7 @@ func TestConfig_Unmarshal(t *testing.T) {
 			t.Parallel()
 
 			config, err := konf.New(testcase.opts...)
-			require.NoError(t, err)
+			assert.NoError(t, err)
 			testcase.assert(config)
 		})
 	}
@@ -152,11 +151,11 @@ func TestConfig_Watch(t *testing.T) {
 
 	watcher := mapWatcher(make(chan map[string]any))
 	config, err := konf.New(konf.WithLoader(watcher))
-	require.NoError(t, err)
+	assert.NoError(t, err)
 
 	var cfg string
-	require.NoError(t, config.Unmarshal("config", &cfg))
-	require.Equal(t, "string", cfg)
+	assert.NoError(t, config.Unmarshal("config", &cfg))
+	assert.Equal(t, "string", cfg)
 
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
@@ -167,15 +166,15 @@ func TestConfig_Watch(t *testing.T) {
 		err := config.Watch(ctx, func(config *konf.Config) {
 			defer waitGroup.Done()
 
-			require.NoError(t, config.Unmarshal("config", &cfg))
+			assert.NoError(t, config.Unmarshal("config", &cfg))
 		})
-		require.NoError(t, err)
+		assert.NoError(t, err)
 	}()
 
 	watcher.change(map[string]any{"config": "changed"})
 	waitGroup.Wait()
 
-	require.Equal(t, "changed", cfg)
+	assert.Equal(t, "changed", cfg)
 }
 
 type mapWatcher chan map[string]any
@@ -203,12 +202,12 @@ func TestConfig_Watch_error(t *testing.T) {
 	t.Parallel()
 
 	config, err := konf.New(konf.WithLoader(errorWatcher{}))
-	require.NoError(t, err)
+	assert.NoError(t, err)
 
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
-	require.EqualError(t, config.Watch(ctx), "[konf] watch configuration change: watch error")
+	assert.EqualError(t, config.Watch(ctx), "[konf] watch configuration change: watch error")
 }
 
 type errorWatcher struct{}
@@ -225,7 +224,7 @@ func TestConfig_error(t *testing.T) {
 	t.Parallel()
 
 	_, err := konf.New(konf.WithLoader(errorLoader{}))
-	require.EqualError(t, err, "[konf] load configuration: load error")
+	assert.EqualError(t, err, "[konf] load configuration: load error")
 }
 
 type errorLoader struct{}

global_test.go

@@ -10,57 +10,56 @@ import (
 	"sync"
 	"testing"
 
-	"github.com/stretchr/testify/require"
-
 	"github.com/ktong/konf"
+	"github.com/ktong/konf/internal/assert"
 )
 
 func TestUnmarshal(t *testing.T) {
 	t.Parallel()
 
 	cfg, err := konf.New(konf.WithLoader(mapLoader{"config": "string"}))
-	require.NoError(t, err)
+	assert.NoError(t, err)
 	konf.SetGlobal(cfg)
 
 	var v string
-	require.NoError(t, konf.Unmarshal("config", &v))
-	require.Equal(t, "string", v)
+	assert.NoError(t, konf.Unmarshal("config", &v))
+	assert.Equal(t, "string", v)
 }
 
 func TestGet(t *testing.T) {
 	t.Parallel()
 
 	cfg, err := konf.New(konf.WithLoader(mapLoader{"config": "string"}))
-	require.NoError(t, err)
+	assert.NoError(t, err)
 	konf.SetGlobal(cfg)
 
-	require.Equal(t, "string", konf.Get[string]("config"))
+	assert.Equal(t, "string", konf.Get[string]("config"))
 }
 
 func TestGet_error(t *testing.T) {
 	cfg, err := konf.New(konf.WithLoader(mapLoader{"config": "string"}))
-	require.NoError(t, err)
+	assert.NoError(t, err)
 	konf.SetGlobal(cfg)
 
 	buf := new(bytes.Buffer)
 	log.SetOutput(buf)
 	log.SetFlags(0)
 
-	require.False(t, konf.Get[bool]("config"))
+	assert.True(t, !konf.Get[bool]("config"))
 	expected := "ERROR Could not read config, return empty value instead." +
 		" error=\"[konf] decode: cannot parse '' as bool: strconv.ParseBool: parsing \\\"string\\\": invalid syntax\"" +
 		" path=config type=bool\n"
-	require.Equal(t, expected, buf.String())
+	assert.Equal(t, expected, buf.String())
 }
 
 func TestWatch(t *testing.T) {
 	watcher := mapWatcher(make(chan map[string]any))
 	config, err := konf.New(konf.WithLoader(watcher))
-	require.NoError(t, err)
+	assert.NoError(t, err)
 	konf.SetGlobal(config)
 
 	cfg := konf.Get[string]("config")
-	require.Equal(t, "string", cfg)
+	assert.Equal(t, "string", cfg)
 
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
@@ -73,11 +72,11 @@ func TestWatch(t *testing.T) {
 
 			cfg = konf.Get[string]("config")
 		})
-		require.NoError(t, err)
+		assert.NoError(t, err)
 	}()
 
 	watcher.change(map[string]any{"config": "changed"})
 	waitGroup.Wait()
 
-	require.Equal(t, "changed", cfg)
+	assert.Equal(t, "changed", cfg)
 }

go.mod

@@ -3,15 +3,3 @@ module github.com/ktong/konf
 go 1.21
 
 require github.com/mitchellh/mapstructure v1.5.0
-
-require ( // for test
-	github.com/stretchr/testify v1.8.4
-	go.uber.org/goleak v1.3.0
-)
-
-require ( // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/kr/text v0.2.0 // indirect
-	github.com/pmezard/go-difflib v1.0.0 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
-)

go.sum

@@ -1,20 +1,2 @@
-github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
-github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
-github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
-github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
 github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
-go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
-go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
-gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=