func TestFinder(t *testing.T) {
Convey("Finder", t, func() {
test.LoadScenario("paths")
conn := test.OpenDatabase(test.StellarCoreDatabaseUrl())
defer conn.Close()
finder := &Finder{
Ctx: test.Context(),
SqlQuery: db.SqlQuery{conn},
}
native := makeAsset(xdr.AssetTypeAssetTypeNative, "", "")
usd := makeAsset(
xdr.AssetTypeAssetTypeCreditAlphanum4,
"USD",
"GDSBCQO34HWPGUGQSP3QBFEXVTSR2PW46UIGTHVWGWJGQKH3AFNHXHXN")
eur := makeAsset(
xdr.AssetTypeAssetTypeCreditAlphanum4,
"EUR",
"GDSBCQO34HWPGUGQSP3QBFEXVTSR2PW46UIGTHVWGWJGQKH3AFNHXHXN")
Convey("Find", func() {
query := paths.Query{
DestinationAddress: "GAEDTJ4PPEFVW5XV2S7LUXBEHNQMX5Q2GM562RJGOQG7GVCE5H3HIB4V",
DestinationAsset: eur,
DestinationAmount: xdr.Int64(200000000),
SourceAssets: []xdr.Asset{usd},
}
paths, err := finder.Find(query)
So(err, ShouldBeNil)
So(len(paths), ShouldEqual, 4)
query.DestinationAmount = xdr.Int64(200000001)
paths, err = finder.Find(query)
So(err, ShouldBeNil)
So(len(paths), ShouldEqual, 2)
query.DestinationAmount = xdr.Int64(500000001)
paths, err = finder.Find(query)
So(err, ShouldBeNil)
So(len(paths), ShouldEqual, 0)
})
Convey("regression: paths that involve native currencies can be found", func() {
query := paths.Query{
DestinationAddress: "GDSBCQO34HWPGUGQSP3QBFEXVTSR2PW46UIGTHVWGWJGQKH3AFNHXHXN",
DestinationAsset: native,
DestinationAmount: xdr.Int64(1),
SourceAssets: []xdr.Asset{usd, native},
}
paths, err := finder.Find(query)
So(err, ShouldBeNil)
So(len(paths), ShouldEqual, 2)
})
})
}
func TestFinder(t *testing.T) {
tt := test.Start(t).Scenario("paths")
defer tt.Finish()
finder := &Finder{
Q: &core.Q{Repo: tt.CoreRepo()},
}
native := makeAsset(xdr.AssetTypeAssetTypeNative, "", "")
usd := makeAsset(
xdr.AssetTypeAssetTypeCreditAlphanum4,
"USD",
"GDSBCQO34HWPGUGQSP3QBFEXVTSR2PW46UIGTHVWGWJGQKH3AFNHXHXN")
eur := makeAsset(
xdr.AssetTypeAssetTypeCreditAlphanum4,
"EUR",
"GDSBCQO34HWPGUGQSP3QBFEXVTSR2PW46UIGTHVWGWJGQKH3AFNHXHXN")
query := paths.Query{
DestinationAddress: "GAEDTJ4PPEFVW5XV2S7LUXBEHNQMX5Q2GM562RJGOQG7GVCE5H3HIB4V",
DestinationAsset: eur,
DestinationAmount: xdr.Int64(200000000),
SourceAssets: []xdr.Asset{usd},
}
p, err := finder.Find(query)
if tt.Assert.NoError(err) {
tt.Assert.Len(p, 3)
}
query.DestinationAmount = xdr.Int64(200000001)
p, err = finder.Find(query)
if tt.Assert.NoError(err) {
tt.Assert.Len(p, 2)
}
query.DestinationAmount = xdr.Int64(500000001)
p, err = finder.Find(query)
if tt.Assert.NoError(err) {
tt.Assert.Len(p, 0)
}
// regression: paths that involve native currencies can be found
query = paths.Query{
DestinationAddress: "GDSBCQO34HWPGUGQSP3QBFEXVTSR2PW46UIGTHVWGWJGQKH3AFNHXHXN",
DestinationAsset: native,
DestinationAmount: xdr.Int64(1),
SourceAssets: []xdr.Asset{usd, native},
}
p, err = finder.Find(query)
if tt.Assert.NoError(err) {
tt.Assert.Len(p, 2)
}
}