[🤖] Add Unit-Tests

2026-04-27 10:46:08 +02:00
parent dad0e3240d
commit 02d6894ec6
116 changed files with 18795 additions and 1 deletions
@@ -0,0 +1,237 @@
+package ctxext
+
+import (
+	"context"
+	"git.blackforestbytes.com/BlackForestBytes/goext/tst"
+	"testing"
+)
+
+type ctxKey string
+
+const (
+	keyString ctxKey = "string-key"
+	keyInt    ctxKey = "int-key"
+	keyStruct ctxKey = "struct-key"
+	keyPtr    ctxKey = "ptr-key"
+	keyMissing ctxKey = "missing-key"
+)
+
+type sampleStruct struct {
+	Name string
+	N    int
+}
+
+func TestValueStringPresent(t *testing.T) {
+	ctx := context.WithValue(context.Background(), keyString, "hello")
+	v, ok := Value[string](ctx, keyString)
+	tst.AssertEqual(t, ok, true)
+	tst.AssertEqual(t, v, "hello")
+}
+
+func TestValueIntPresent(t *testing.T) {
+	ctx := context.WithValue(context.Background(), keyInt, 42)
+	v, ok := Value[int](ctx, keyInt)
+	tst.AssertEqual(t, ok, true)
+	tst.AssertEqual(t, v, 42)
+}
+
+func TestValueStructPresent(t *testing.T) {
+	want := sampleStruct{Name: "abc", N: 7}
+	ctx := context.WithValue(context.Background(), keyStruct, want)
+	v, ok := Value[sampleStruct](ctx, keyStruct)
+	tst.AssertEqual(t, ok, true)
+	tst.AssertEqual(t, v.Name, "abc")
+	tst.AssertEqual(t, v.N, 7)
+}
+
+func TestValuePointerPresent(t *testing.T) {
+	want := &sampleStruct{Name: "ptr", N: 99}
+	ctx := context.WithValue(context.Background(), keyPtr, want)
+	v, ok := Value[*sampleStruct](ctx, keyPtr)
+	tst.AssertEqual(t, ok, true)
+	tst.AssertEqual(t, v == want, true)
+	tst.AssertEqual(t, v.Name, "ptr")
+}
+
+func TestValueMissing(t *testing.T) {
+	ctx := context.Background()
+	v, ok := Value[string](ctx, keyMissing)
+	tst.AssertEqual(t, ok, false)
+	tst.AssertEqual(t, v, "")
+}
+
+func TestValueMissingInt(t *testing.T) {
+	ctx := context.Background()
+	v, ok := Value[int](ctx, keyMissing)
+	tst.AssertEqual(t, ok, false)
+	tst.AssertEqual(t, v, 0)
+}
+
+func TestValueMissingStruct(t *testing.T) {
+	ctx := context.Background()
+	v, ok := Value[sampleStruct](ctx, keyMissing)
+	tst.AssertEqual(t, ok, false)
+	tst.AssertEqual(t, v.Name, "")
+	tst.AssertEqual(t, v.N, 0)
+}
+
+func TestValueMissingPointer(t *testing.T) {
+	ctx := context.Background()
+	v, ok := Value[*sampleStruct](ctx, keyMissing)
+	tst.AssertEqual(t, ok, false)
+	tst.AssertEqual(t, v == nil, true)
+}
+
+func TestValueWrongType(t *testing.T) {
+	ctx := context.WithValue(context.Background(), keyString, "hello")
+	v, ok := Value[int](ctx, keyString)
+	tst.AssertEqual(t, ok, false)
+	tst.AssertEqual(t, v, 0)
+}
+
+func TestValueWrongTypeStructToString(t *testing.T) {
+	ctx := context.WithValue(context.Background(), keyStruct, sampleStruct{Name: "x"})
+	v, ok := Value[string](ctx, keyStruct)
+	tst.AssertEqual(t, ok, false)
+	tst.AssertEqual(t, v, "")
+}
+
+func TestValueNilStoredAsInterface(t *testing.T) {
+	var stored *sampleStruct = nil
+	ctx := context.WithValue(context.Background(), keyPtr, stored)
+	v, ok := Value[*sampleStruct](ctx, keyPtr)
+	tst.AssertEqual(t, ok, true)
+	tst.AssertEqual(t, v == nil, true)
+}
+
+func TestValueEmptyString(t *testing.T) {
+	ctx := context.WithValue(context.Background(), keyString, "")
+	v, ok := Value[string](ctx, keyString)
+	tst.AssertEqual(t, ok, true)
+	tst.AssertEqual(t, v, "")
+}
+
+func TestValueZeroInt(t *testing.T) {
+	ctx := context.WithValue(context.Background(), keyInt, 0)
+	v, ok := Value[int](ctx, keyInt)
+	tst.AssertEqual(t, ok, true)
+	tst.AssertEqual(t, v, 0)
+}
+
+func TestValueWithStringKey(t *testing.T) {
+	type stringKey string
+	k := stringKey("my-key")
+	ctx := context.WithValue(context.Background(), k, "value")
+	v, ok := Value[string](ctx, k)
+	tst.AssertEqual(t, ok, true)
+	tst.AssertEqual(t, v, "value")
+}
+
+func TestValueOrDefaultPresent(t *testing.T) {
+	ctx := context.WithValue(context.Background(), keyString, "hello")
+	v := ValueOrDefault(ctx, keyString, "default")
+	tst.AssertEqual(t, v, "hello")
+}
+
+func TestValueOrDefaultIntPresent(t *testing.T) {
+	ctx := context.WithValue(context.Background(), keyInt, 42)
+	v := ValueOrDefault(ctx, keyInt, -1)
+	tst.AssertEqual(t, v, 42)
+}
+
+func TestValueOrDefaultMissing(t *testing.T) {
+	ctx := context.Background()
+	v := ValueOrDefault(ctx, keyMissing, "default")
+	tst.AssertEqual(t, v, "default")
+}
+
+func TestValueOrDefaultMissingInt(t *testing.T) {
+	ctx := context.Background()
+	v := ValueOrDefault(ctx, keyMissing, 99)
+	tst.AssertEqual(t, v, 99)
+}
+
+func TestValueOrDefaultMissingStruct(t *testing.T) {
+	ctx := context.Background()
+	def := sampleStruct{Name: "default", N: 1}
+	v := ValueOrDefault(ctx, keyMissing, def)
+	tst.AssertEqual(t, v.Name, "default")
+	tst.AssertEqual(t, v.N, 1)
+}
+
+func TestValueOrDefaultWrongType(t *testing.T) {
+	ctx := context.WithValue(context.Background(), keyString, "hello")
+	v := ValueOrDefault(ctx, keyString, 7)
+	tst.AssertEqual(t, v, 7)
+}
+
+func TestValueOrDefaultWrongTypeStruct(t *testing.T) {
+	ctx := context.WithValue(context.Background(), keyStruct, sampleStruct{Name: "x"})
+	def := "fallback"
+	v := ValueOrDefault(ctx, keyStruct, def)
+	tst.AssertEqual(t, v, "fallback")
+}
+
+func TestValueOrDefaultEmptyStringStored(t *testing.T) {
+	ctx := context.WithValue(context.Background(), keyString, "")
+	v := ValueOrDefault(ctx, keyString, "default")
+	tst.AssertEqual(t, v, "")
+}
+
+func TestValueOrDefaultZeroIntStored(t *testing.T) {
+	ctx := context.WithValue(context.Background(), keyInt, 0)
+	v := ValueOrDefault(ctx, keyInt, 99)
+	tst.AssertEqual(t, v, 0)
+}
+
+func TestValueOrDefaultPointerPresent(t *testing.T) {
+	want := &sampleStruct{Name: "p", N: 5}
+	ctx := context.WithValue(context.Background(), keyPtr, want)
+	def := &sampleStruct{Name: "def", N: 0}
+	v := ValueOrDefault(ctx, keyPtr, def)
+	tst.AssertEqual(t, v == want, true)
+}
+
+func TestValueOrDefaultPointerMissing(t *testing.T) {
+	ctx := context.Background()
+	def := &sampleStruct{Name: "def", N: 0}
+	v := ValueOrDefault(ctx, keyMissing, def)
+	tst.AssertEqual(t, v == def, true)
+}
+
+func TestValueOrDefaultNilPointerStored(t *testing.T) {
+	var stored *sampleStruct = nil
+	ctx := context.WithValue(context.Background(), keyPtr, stored)
+	def := &sampleStruct{Name: "def"}
+	v := ValueOrDefault(ctx, keyPtr, def)
+	tst.AssertEqual(t, v == nil, true)
+}
+
+func TestValueNestedContext(t *testing.T) {
+	ctx := context.WithValue(context.Background(), keyString, "outer")
+	ctx = context.WithValue(ctx, keyInt, 123)
+	ctx = context.WithValue(ctx, keyString, "inner")
+
+	vs, oks := Value[string](ctx, keyString)
+	tst.AssertEqual(t, oks, true)
+	tst.AssertEqual(t, vs, "inner")
+
+	vi, oki := Value[int](ctx, keyInt)
+	tst.AssertEqual(t, oki, true)
+	tst.AssertEqual(t, vi, 123)
+}
+
+func TestValueDifferentKeyTypesDoNotCollide(t *testing.T) {
+	type keyA string
+	type keyB string
+	ctx := context.WithValue(context.Background(), keyA("k"), "a-val")
+	ctx = context.WithValue(ctx, keyB("k"), "b-val")
+
+	va, oka := Value[string](ctx, keyA("k"))
+	tst.AssertEqual(t, oka, true)
+	tst.AssertEqual(t, va, "a-val")
+
+	vb, okb := Value[string](ctx, keyB("k"))
+	tst.AssertEqual(t, okb, true)
+	tst.AssertEqual(t, vb, "b-val")
+}