54 lines
1.4 KiB
Go
54 lines
1.4 KiB
Go
package types_test
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import (
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/cosmos/cosmos-sdk/codec"
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"github.com/cosmos/cosmos-sdk/x/bank/types"
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)
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func TestMarshalJSONMetaData(t *testing.T) {
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cdc := codec.NewLegacyAmino()
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testCases := []struct {
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name string
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input []types.Metadata
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strOutput string
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}{
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{"nil metadata", nil, `null`},
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{"empty metadata", []types.Metadata{}, `[]`},
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{"non-empty coins", []types.Metadata{{
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Description: "The native staking token of the Cosmos Hub.",
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DenomUnits: []*types.DenomUnit{
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{"uatom", uint32(0), []string{"microatom"}}, // The default exponent value 0 is omitted in the json
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{"matom", uint32(3), []string{"milliatom"}},
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{"atom", uint32(6), nil},
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},
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Base: "uatom",
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Display: "atom",
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},
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},
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`[{"description":"The native staking token of the Cosmos Hub.","denom_units":[{"denom":"uatom","aliases":["microatom"]},{"denom":"matom","exponent":3,"aliases":["milliatom"]},{"denom":"atom","exponent":6}],"base":"uatom","display":"atom"}]`},
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}
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for _, tc := range testCases {
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tc := tc
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t.Run(tc.name, func(t *testing.T) {
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bz, err := cdc.MarshalJSON(tc.input)
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require.NoError(t, err)
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require.Equal(t, tc.strOutput, string(bz))
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var newMetadata []types.Metadata
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require.NoError(t, cdc.UnmarshalJSON(bz, &newMetadata))
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if len(tc.input) == 0 {
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require.Nil(t, newMetadata)
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} else {
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require.Equal(t, tc.input, newMetadata)
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}
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})
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}
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}
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