chore: switch to our own common/orderedmap package, remove two unneeded json dependence

common/orderedmap/yaml_fuzz_test.go

@@ -0,0 +1,82 @@
+package orderedmap
+
+// Adapted from https://github.com/dvyukov/go-fuzz-corpus/blob/c42c1b2/json/json.go
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"gopkg.in/yaml.v3"
+)
+
+func FuzzRoundTripYAML(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		for _, testCase := range []struct {
+			name        string
+			constructor func() any
+			// should be a function that asserts that 2 objects of the type returned by constructor are equal
+			equalityAssertion func(*testing.T, any, any) bool
+		}{
+			{
+				name:              "with a string -> string map",
+				constructor:       func() any { return &OrderedMap[string, string]{} },
+				equalityAssertion: assertOrderedMapsEqual[string, string],
+			},
+			{
+				name:              "with a string -> int map",
+				constructor:       func() any { return &OrderedMap[string, int]{} },
+				equalityAssertion: assertOrderedMapsEqual[string, int],
+			},
+			{
+				name:              "with a string -> any map",
+				constructor:       func() any { return &OrderedMap[string, any]{} },
+				equalityAssertion: assertOrderedMapsEqual[string, any],
+			},
+			{
+				name:              "with a struct with map fields",
+				constructor:       func() any { return new(testFuzzStruct) },
+				equalityAssertion: assertTestFuzzStructEqual,
+			},
+		} {
+			t.Run(testCase.name, func(t *testing.T) {
+				v1 := testCase.constructor()
+				if yaml.Unmarshal(data, v1) != nil {
+					return
+				}
+				t.Log(data)
+				t.Log(v1)
+
+				yamlData, err := yaml.Marshal(v1)
+				require.NoError(t, err)
+				t.Log(string(yamlData))
+
+				v2 := testCase.constructor()
+				err = yaml.Unmarshal(yamlData, v2)
+				if err != nil {
+					t.Log(string(yamlData))
+					t.Fatal(err)
+				}
+
+				if !assert.True(t, testCase.equalityAssertion(t, v1, v2), "failed with input data %q", string(data)) {
+					// look at that what the standard lib does with regular map, to help with debugging
+
+					var m1 map[string]any
+					require.NoError(t, yaml.Unmarshal(data, &m1))
+
+					mapJsonData, err := yaml.Marshal(m1)
+					require.NoError(t, err)
+
+					var m2 map[string]any
+					require.NoError(t, yaml.Unmarshal(mapJsonData, &m2))
+
+					t.Logf("initial data = %s", string(data))
+					t.Logf("unmarshalled map = %v", m1)
+					t.Logf("re-marshalled from map = %s", string(mapJsonData))
+					t.Logf("re-marshalled from test obj = %s", string(yamlData))
+					t.Logf("re-unmarshalled map = %s", m2)
+				}
+			})
+		}
+	})
+}