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package dotx
import (
"os"
"strings"
"testing"
"github.com/emicklei/dot"
)
func TestExampleSubsystemSameGraph(t *testing.T) {
g := dot.NewGraph(dot.Directed)
c1 := g.Node("component")
sub := NewComposite("subsystem", g, SameGraph)
sub.Input("in1", c1)
sub.Input("in2", c1)
sub.Output("out2", c1)
sc1 := sub.Node("subcomponent 1")
sc2 := sub.Node("subcomponent 2")
sub.Input("in1", sc1)
sub.Input("in2", sc2)
sub.Output("out2", sc2)
sc1.Edge(sc2)
sub2 := NewComposite("subsystem2", sub.Graph, SameGraph)
sub2.Input("in3", sc1)
sub2.Output("out3", sc2)
sub3 := sub2.Node("subcomponent 3")
sub2.Input("in3", sub3)
os.WriteFile("TestExampleSubsystemSameGraph.dot", []byte(g.String()), 0666)
}
func TestExampleSubsystemExternalGraph(t *testing.T) {
g := dot.NewGraph(dot.Directed)
c1 := g.Node("component")
sub := NewComposite("subsystem", g, ExternalGraph)
sub.Input("in1", c1)
sub.Input("in2", c1)
sub.Output("out2", c1)
sub.Export(func(g *dot.Graph) {
sc1 := sub.Node("subcomponent 1")
sc2 := sub.Node("subcomponent 2")
sub.Input("in1", sc1)
sub.Input("in2", sc2)
sub.Output("out2", sc2)
sc1.Edge(sc2)
sub2 := NewComposite("subsystem2", sub.Graph, ExternalGraph)
sub2.Export(func(g *dot.Graph) {
sub2.Input("in3", sc1)
sub2.Output("out3", sc2)
sub3 := sub2.Node("subcomponent 3")
sub2.Input("in3", sub3)
})
})
os.WriteFile("TestExampleSubsystemExternalGraph.dot", []byte(g.String()), 0666)
}
func TestAttrOnSubsystem(t *testing.T) {
s := NewComposite("test", dot.NewGraph(), SameGraph)
s.Attr("shape", "box3d")
if !strings.Contains(s.String(), "test") { // dont care about structure, dot has tested that
t.Fail()
}
}
func TestWarninOnExport(t *testing.T) {
s := NewComposite("/////fail", dot.NewGraph(), SameGraph)
s.Export(func(g *dot.Graph) {})
}
func TestCompositeWithUnusedIOSameGraph(t *testing.T) {
g := dot.NewGraph(dot.Directed)
c1 := g.Node("component")
sub := NewComposite("subsystem", g, SameGraph)
sub.Input("in", c1)
sub.Output("out", c1)
os.WriteFile("TestCompositeWithUnusedIOSameGraph.dot", []byte(g.String()), 0666)
}
func TestConnectToComposites(t *testing.T) {
g := dot.NewGraph()
c1 := NewComposite("c1", g, SameGraph)
c2 := NewComposite("c2", g, SameGraph)
e := c1.Input("in", c2)
if e.From().ID() != c2.outerNode.ID() {
t.Fail()
}
f := c1.Output("out", c2)
if f.To().ID() != c2.outerNode.ID() {
t.Fail()
}
}
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