github.com/ipld/go-ipld-prime@v0.21.0/traversal/selector/condition_test.go (about)

     1  package selector
     2  
     3  import (
     4  	"reflect"
     5  	"testing"
     6  
     7  	qt "github.com/frankban/quicktest"
     8  	"github.com/google/go-cmp/cmp"
     9  	"github.com/ipfs/go-cid"
    10  
    11  	"github.com/ipld/go-ipld-prime/fluent"
    12  	cidlink "github.com/ipld/go-ipld-prime/linking/cid"
    13  	"github.com/ipld/go-ipld-prime/node/basicnode"
    14  )
    15  
    16  var deepEqualsAllowAllUnexported = qt.CmpEquals(cmp.Exporter(func(reflect.Type) bool { return true }))
    17  
    18  func TestParseCondition(t *testing.T) {
    19  	t.Run("parsing non map node should error", func(t *testing.T) {
    20  		sn := basicnode.NewInt(0)
    21  		_, err := ParseContext{}.ParseCondition(sn)
    22  		qt.Check(t, err, qt.ErrorMatches, "selector spec parse rejected: condition body must be a map")
    23  	})
    24  	t.Run("parsing map node without field should error", func(t *testing.T) {
    25  		sn := fluent.MustBuildMap(basicnode.Prototype.Map, 0, func(na fluent.MapAssembler) {})
    26  		_, err := ParseContext{}.ParseCondition(sn)
    27  		qt.Check(t, err, qt.ErrorMatches, "selector spec parse rejected: condition is a keyed union and thus must be single-entry map")
    28  	})
    29  
    30  	t.Run("parsing map node keyed to invalid type should error", func(t *testing.T) {
    31  		sn := fluent.MustBuildMap(basicnode.Prototype.Map, 1, func(na fluent.MapAssembler) {
    32  			na.AssembleEntry(string(ConditionMode_Link)).AssignInt(0)
    33  		})
    34  		_, err := ParseContext{}.ParseCondition(sn)
    35  		qt.Check(t, err, qt.ErrorMatches, "selector spec parse rejected: condition_link must be a link")
    36  	})
    37  	t.Run("parsing map node with condition field with valid selector node should parse", func(t *testing.T) {
    38  		lnk := cidlink.Link{Cid: cid.Undef}
    39  		sn := fluent.MustBuildMap(basicnode.Prototype.Map, 1, func(na fluent.MapAssembler) {
    40  			na.AssembleEntry(string(ConditionMode_Link)).AssignLink(lnk)
    41  		})
    42  		s, err := ParseContext{}.ParseCondition(sn)
    43  		qt.Check(t, err, qt.IsNil)
    44  		lnkNode := basicnode.NewLink(lnk)
    45  		qt.Check(t, s, deepEqualsAllowAllUnexported, Condition{mode: ConditionMode_Link, match: lnkNode})
    46  	})
    47  }