/
listSpecs.go
63 lines (52 loc) · 1.77 KB
/
listSpecs.go
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package tests
import (
"testing"
qt "github.com/frankban/quicktest"
"github.com/ipld/go-ipld-prime/datamodel"
"github.com/ipld/go-ipld-prime/fluent"
"github.com/ipld/go-ipld-prime/must"
)
func SpecTestListString(t *testing.T, np datamodel.NodePrototype) {
t.Run("list<string>, 3 entries", func(t *testing.T) {
n := fluent.MustBuildList(np, 3, func(la fluent.ListAssembler) {
la.AssembleValue().AssignString("one")
la.AssembleValue().AssignString("two")
la.AssembleValue().AssignString("three")
})
t.Run("reads back out", func(t *testing.T) {
qt.Check(t, n.Length(), qt.Equals, int64(3))
v, err := n.LookupByIndex(0)
qt.Check(t, err, qt.IsNil)
qt.Check(t, must.String(v), qt.Equals, "one")
v, err = n.LookupByIndex(1)
qt.Check(t, err, qt.IsNil)
qt.Check(t, must.String(v), qt.Equals, "two")
v, err = n.LookupByIndex(2)
qt.Check(t, err, qt.IsNil)
qt.Check(t, must.String(v), qt.Equals, "three")
})
t.Run("reads via iteration", func(t *testing.T) {
itr := n.ListIterator()
qt.Check(t, itr.Done(), qt.IsFalse)
idx, v, err := itr.Next()
qt.Check(t, err, qt.IsNil)
qt.Check(t, idx, qt.Equals, int64(0))
qt.Check(t, must.String(v), qt.Equals, "one")
qt.Check(t, itr.Done(), qt.IsFalse)
idx, v, err = itr.Next()
qt.Check(t, err, qt.IsNil)
qt.Check(t, idx, qt.Equals, int64(1))
qt.Check(t, must.String(v), qt.Equals, "two")
qt.Check(t, itr.Done(), qt.IsFalse)
idx, v, err = itr.Next()
qt.Check(t, err, qt.IsNil)
qt.Check(t, idx, qt.Equals, int64(2))
qt.Check(t, must.String(v), qt.Equals, "three")
qt.Check(t, itr.Done(), qt.IsTrue)
idx, v, err = itr.Next()
qt.Check(t, err, qt.Equals, datamodel.ErrIteratorOverread{})
qt.Check(t, idx, qt.Equals, int64(-1))
qt.Check(t, v, qt.IsNil)
})
})
}