add some unittests

Signed-off-by: zhangzujian <[email protected]>

pkg/util/hash_test.go

@@ -0,0 +1,73 @@
+package util
+
+import "testing"
+
+func TestSha256Hash(t *testing.T) {
+	tests := []struct {
+		name   string
+		input  []byte
+		output string
+	}{
+		{
+			name:   "Empty input",
+			input:  []byte(""),
+			output: "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+		},
+		{
+			name:   "Non empty input",
+			input:  []byte("hello"),
+			output: "2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := Sha256Hash(tt.input)
+			if got != tt.output {
+				t.Errorf("got %v, but want %v", got, tt.output)
+			}
+		})
+	}
+}
+
+func TestSha256HashObject(t *testing.T) {
+	tests := []struct {
+		name    string
+		arg     any
+		wantErr bool
+		hash    string
+	}{
+		{
+			name: "nil",
+			arg:  nil,
+			hash: "74234e98afe7498fb5daf1f36ac2d78acc339464f950703b8c019892f982b90b",
+		},
+		{
+			name: "string slice",
+			arg:  []string{"hello", "world"},
+			hash: "94bedb26fb1cb9547b5b77902e89522f313c7f7fe2e9f0175cfb0a244878ee07",
+		},
+		{
+			name: "string map",
+			arg:  map[string]string{"hello": "world"},
+			hash: "93a23971a914e5eacbf0a8d25154cda309c3c1c72fbb9914d47c60f3cb681588",
+		},
+		{
+			name:    "unsupported type",
+			arg:     make(chan struct{}),
+			wantErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			hash, err := Sha256HashObject(tt.arg)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("got error = %#v, but wantErr = %v", err, tt.wantErr)
+			}
+			if hash != tt.hash {
+				t.Errorf("got hash %v, but want %v", hash, tt.hash)
+			}
+		})
+	}
+}