removed testify dependency

main_test.go

@@ -2,29 +2,51 @@ package component
 
 import (
 	"context"
-	"github.com/stretchr/testify/assert"
 	"log/slog"
+	"slices"
 	"testing"
 )
 
+func assertPanics(t *testing.T, f func()) {
+	t.Helper()
+	defer func() {
+		if recover() == nil {
+			t.Error("expected panic, but none occurred")
+		}
+	}()
+	f()
+}
+
 func TestNew(t *testing.T) {
 	t.Run("creates a new component", func(t *testing.T) {
 		ctx, err := New(context.Background(), "mymodule", "mycomponent")
-		assert.NoError(t, err)
+		if err != nil {
+			t.Fatalf("expected no error, got %v", err)
+		}
 		c, ok := Get(ctx)
-		assert.True(t, ok)
-		assert.Equal(t, "mymodule", c.Module())
-		assert.Equal(t, []string{"mycomponent"}, c.Path())
-		assert.Equal(t, "mycomponent", c.PathString())
+		if !ok {
+			t.Fatal("expected component in context")
+		}
+		if c.Module() != "mymodule" {
+			t.Errorf("expected module %q, got %q", "mymodule", c.Module())
+		}
+		if !slices.Equal(c.Path(), []string{"mycomponent"}) {
+			t.Errorf("expected path %v, got %v", []string{"mycomponent"}, c.Path())
+		}
+		if c.PathString() != "mycomponent" {
+			t.Errorf("expected path string %q, got %q", "mycomponent", c.PathString())
+		}
 	})
 
 	t.Run("should return error", func(t *testing.T) {
 		_, err := New(nil, "mymodule", "mycomponent")
-		assert.Error(t, err)
+		if err == nil {
+			t.Fatal("expected error, got nil")
+		}
 	})
 
 	t.Run("must variant should panic", func(t *testing.T) {
-		assert.Panics(t, func() {
+		assertPanics(t, func() {
 			MustNew(nil, "mymodule", "mycomponent")
 		})
 	})
@@ -34,21 +56,33 @@ func TestExtend(t *testing.T) {
 	t.Run("extends existing component", func(t *testing.T) {
 		ctx := MustNew(context.Background(), "mymodule", "mycomponent")
 		ctx, err := Extend(ctx, "subcomponent")
-		assert.NoError(t, err)
+		if err != nil {
+			t.Fatalf("expected no error, got %v", err)
+		}
 		c, ok := Get(ctx)
-		assert.True(t, ok)
-		assert.Equal(t, "mymodule", c.Module())
-		assert.Equal(t, []string{"mycomponent", "subcomponent"}, c.Path())
-		assert.Equal(t, "mycomponent.subcomponent", c.PathString())
+		if !ok {
+			t.Fatal("expected component in context")
+		}
+		if c.Module() != "mymodule" {
+			t.Errorf("expected module %q, got %q", "mymodule", c.Module())
+		}
+		if !slices.Equal(c.Path(), []string{"mycomponent", "subcomponent"}) {
+			t.Errorf("expected path %v, got %v", []string{"mycomponent", "subcomponent"}, c.Path())
+		}
+		if c.PathString() != "mycomponent.subcomponent" {
+			t.Errorf("expected path string %q, got %q", "mycomponent.subcomponent", c.PathString())
+		}
 	})
 
 	t.Run("should return error", func(t *testing.T) {
 		_, err := Extend(context.Background(), "subcomponent")
-		assert.Error(t, err)
+		if err == nil {
+			t.Fatal("expected error, got nil")
+		}
 	})
 
 	t.Run("must variant should panic", func(t *testing.T) {
-		assert.Panics(t, func() {
+		assertPanics(t, func() {
 			MustExtend(context.Background(), "subcomponent")
 		})
 	})
@@ -56,28 +90,52 @@ func TestExtend(t *testing.T) {
 
 func TestGet(t *testing.T) {
 	_, ok := Get(context.Background())
-	assert.False(t, ok)
+	if ok {
+		t.Fatal("expected no component on bare context")
+	}
 
 	ctx := MustNew(context.Background(), "mymodule", "mycomponent")
 	_, ok = Get(ctx)
-	assert.True(t, ok)
+	if !ok {
+		t.Fatal("expected component in context")
+	}
 }
 
 func TestGetFields(t *testing.T) {
 	_, ok := GetFields(context.Background())
-	assert.False(t, ok)
+	if ok {
+		t.Fatal("expected no fields on bare context")
+	}
 
 	ctx := MustNew(context.Background(), "mymodule", "mycomponent")
 	fields, ok := GetFields(ctx)
-	assert.True(t, ok)
-	assert.Equal(t, "mymodule", fields["module"])
-	assert.Equal(t, "mycomponent", fields["path"])
+	if !ok {
+		t.Fatal("expected fields in context")
+	}
+	if fields["module"] != "mymodule" {
+		t.Errorf("expected module %q, got %q", "mymodule", fields["module"])
+	}
+	if fields["path"] != "mycomponent" {
+		t.Errorf("expected path %q, got %q", "mycomponent", fields["path"])
+	}
+}
+
+func assertAttr(t *testing.T, attr slog.Attr, key string, value string) {
+	t.Helper()
+	if attr.Key != key {
+		t.Errorf("expected attr key %q, got %q", key, attr.Key)
+	}
+	if attr.Value.String() != value {
+		t.Errorf("expected attr value %q, got %q", value, attr.Value.String())
+	}
 }
 
 func TestAttrs(t *testing.T) {
 	ctx := MustNew(context.Background(), "mymodule", "mycomponent")
 	attrs, ok := Attrs(ctx)
-	assert.True(t, ok)
-	assert.Equal(t, slog.String("module", "mymodule"), attrs[0])
-	assert.Equal(t, slog.String("path", "mycomponent"), attrs[1])
+	if !ok {
+		t.Fatal("expected attrs in context")
+	}
+	assertAttr(t, attrs[0], "module", "mymodule")
+	assertAttr(t, attrs[1], "path", "mycomponent")
 }