本文整理汇总了Golang中Graph.Iterator.Reset方法的典型用法代码示例。如果您正苦于以下问题：Golang Iterator.Reset方法的具体用法？Golang Iterator.Reset怎么用？Golang Iterator.Reset使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Graph.Iterator的用法示例。
在下文中一共展示了Iterator.Reset方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: TestSetIterator
func TestSetIterator(t *testing.T) {
var ts *LevelDBTripleStore
var tmpDir string
Convey("Given a prepared database", t, func() {
tmpDir, _ = ioutil.TempDir(os.TempDir(), "cayley_test")
t.Log(tmpDir)
defer os.RemoveAll(tmpDir)
ok := CreateNewLevelDB(tmpDir)
So(ok, ShouldBeTrue)
ts = NewDefaultLevelDBTripleStore(tmpDir, nil)
ts.AddTripleSet(makeTripleSet())
var it graph.Iterator
Convey("Can create a subject iterator", func() {
it = ts.GetTripleIterator("s", ts.GetIdFor("C"))
Convey("Containing the right things", func() {
expected := []string{
graph.MakeTriple("C", "follows", "B", "").ToString(),
graph.MakeTriple("C", "follows", "D", "").ToString(),
}
actual := extractTripleFromIterator(ts, it)
sort.Strings(actual)
sort.Strings(expected)
So(actual, ShouldResemble, expected)
})
Convey("And checkable", func() {
and := graph.NewAndIterator()
and.AddSubIterator(ts.GetTriplesAllIterator())
and.AddSubIterator(it)
expected := []string{
graph.MakeTriple("C", "follows", "B", "").ToString(),
graph.MakeTriple("C", "follows", "D", "").ToString(),
}
actual := extractTripleFromIterator(ts, and)
sort.Strings(actual)
sort.Strings(expected)
So(actual, ShouldResemble, expected)
})
Reset(func() {
it.Reset()
})
})
Convey("Can create an object iterator", func() {
it = ts.GetTripleIterator("o", ts.GetIdFor("F"))
Convey("Containing the right things", func() {
expected := []string{
graph.MakeTriple("B", "follows", "F", "").ToString(),
graph.MakeTriple("E", "follows", "F", "").ToString(),
}
actual := extractTripleFromIterator(ts, it)
sort.Strings(actual)
sort.Strings(expected)
So(actual, ShouldResemble, expected)
})
Convey("Mutually and-checkable", func() {
and := graph.NewAndIterator()
and.AddSubIterator(ts.GetTripleIterator("s", ts.GetIdFor("B")))
and.AddSubIterator(it)
expected := []string{
graph.MakeTriple("B", "follows", "F", "").ToString(),
}
actual := extractTripleFromIterator(ts, and)
sort.Strings(actual)
sort.Strings(expected)
So(actual, ShouldResemble, expected)
})
})
Convey("Can create a predicate iterator", func() {
it = ts.GetTripleIterator("p", ts.GetIdFor("status"))
Convey("Containing the right things", func() {
expected := []string{
graph.MakeTriple("B", "status", "cool", "status_graph").ToString(),
graph.MakeTriple("D", "status", "cool", "status_graph").ToString(),
graph.MakeTriple("G", "status", "cool", "status_graph").ToString(),
}
actual := extractTripleFromIterator(ts, it)
sort.Strings(actual)
sort.Strings(expected)
So(actual, ShouldResemble, expected)
})
})
Convey("Can create a provenance iterator", func() {
it = ts.GetTripleIterator("c", ts.GetIdFor("status_graph"))
Convey("Containing the right things", func() {
expected := []string{
//.........这里部分代码省略.........
示例2: TestAllIterator
func TestAllIterator(t *testing.T) {
var ts *LevelDBTripleStore
Convey("Given a prepared database", t, func() {
tmpDir, _ := ioutil.TempDir(os.TempDir(), "cayley_test")
t.Log(tmpDir)
defer os.RemoveAll(tmpDir)
ok := CreateNewLevelDB(tmpDir)
So(ok, ShouldBeTrue)
ts = NewDefaultLevelDBTripleStore(tmpDir, nil)
ts.AddTripleSet(makeTripleSet())
var it graph.Iterator
Convey("Can create an all iterator for nodes", func() {
it = ts.GetNodesAllIterator()
So(it, ShouldNotBeNil)
Convey("Has basics", func() {
size, accurate := it.Size()
So(size, ShouldBeBetween, 0, 20)
So(accurate, ShouldBeFalse)
So(it.Type(), ShouldEqual, "all")
re_it, ok := it.Optimize()
So(ok, ShouldBeFalse)
So(re_it, ShouldPointTo, it)
})
Convey("Iterates all nodes", func() {
expected := []string{
"A",
"B",
"C",
"D",
"E",
"F",
"G",
"follows",
"status",
"cool",
"status_graph",
}
sort.Strings(expected)
actual := extractValuesFromIterator(ts, it)
sort.Strings(actual)
So(actual, ShouldResemble, expected)
it.Reset()
actual = extractValuesFromIterator(ts, it)
sort.Strings(actual)
So(actual, ShouldResemble, expected)
})
Convey("Contains a couple nodes", func() {
So(it.Check(ts.GetIdFor("A")), ShouldBeTrue)
So(it.Check(ts.GetIdFor("cool")), ShouldBeTrue)
//So(it.Check(ts.GetIdFor("baller")), ShouldBeFalse)
})
Reset(func() {
it.Reset()
})
})
Convey("Can create an all iterator for edges", func() {
it := ts.GetTriplesAllIterator()
So(it, ShouldNotBeNil)
Convey("Has basics", func() {
size, accurate := it.Size()
So(size, ShouldBeBetween, 0, 20)
So(accurate, ShouldBeFalse)
So(it.Type(), ShouldEqual, "all")
re_it, ok := it.Optimize()
So(ok, ShouldBeFalse)
So(re_it, ShouldPointTo, it)
})
Convey("Iterates an edge", func() {
edge_val, _ := it.Next()
triple := ts.GetTriple(edge_val)
set := makeTripleSet()
var string_set []string
for _, t := range set {
string_set = append(string_set, t.ToString())
}
So(triple.ToString(), ShouldBeIn, string_set)
})
Reset(func() {
ts.Close()
})
})
})
}