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package dot
import (
"testing"
)
func TestMermaidSimple(t *testing.T) {
di := NewGraph(Directed)
n1 := di.Node("e1").Label("E1")
n2 := di.Node("e2").Attr("shape", MermaidShapeRound).Attr("style", "fill:#90EE90")
n1.Edge(n2, "what").Attr("x", "y")
out := flatten(MermaidGraph(di, MermaidTopDown))
if got, want := out, `graph TD;n1("E1");n2("e2");style n2 fill:#90EE90n1-->|"what"|n2;`; got != want {
t.Errorf("got [%v]:%T want [%v]:%T", got, got, want, want)
}
}
func TestEmptyFlow(t *testing.T) {
di := NewGraph(Directed)
s := MermaidFlowchart(di, MermaidTopDown)
if got, want := s, "flowchart TD;\n"; got != want {
t.Errorf("got [%v]:%T want [%v]:%T", got, got, want, want)
}
}
func TestEmptyGraphLR(t *testing.T) {
di := NewGraph(Directed)
s := MermaidGraph(di, MermaidLeftToRight)
if got, want := s, "graph LR;\n"; got != want {
t.Errorf("got [%v]:%T want [%v]:%T", got, got, want, want)
}
s = MermaidGraph(di, MermaidRightToLeft)
if got, want := s, "graph RL;\n"; got != want {
t.Errorf("got [%v]:%T want [%v]:%T", got, got, want, want)
}
s = MermaidGraph(di, MermaidBottomToTop)
if got, want := s, "graph BT;\n"; got != want {
t.Errorf("got [%v]:%T want [%v]:%T", got, got, want, want)
}
s = MermaidGraph(di, 42)
if got, want := s, "graph TD;\n"; got != want {
t.Errorf("got [%v]:%T want [%v]:%T", got, got, want, want)
}
}
func TestMermaidShapes(t *testing.T) {
di := NewGraph(Directed)
di.Node("round").Attr("shape", MermaidShapeRound)
di.Node("asym").Attr("shape", MermaidShapeAsymmetric)
di.Node("circ").Attr("shape", MermaidShapeCircle)
di.Node("cyl").Attr("shape", MermaidShapeCylinder)
di.Node("rhom").Attr("shape", MermaidShapeRhombus)
di.Node("stad").Attr("shape", MermaidShapeStadium)
di.Node("sub").Attr("shape", MermaidShapeSubroutine)
di.Node("trap").Attr("shape", MermaidShapeTrapezoid)
di.Node("trapalt").Attr("shape", MermaidShapeTrapezoidAlt)
s := MermaidGraph(di, MermaidLeftToRight)
// t.Log(s)
if got, want := flatten(s), `graph LR;n2>"asym"];n3(("circ"));n4[("cyl")];n5{"rhom"};n1("round");n6(["stad"]);n7[["sub"]];n8[/"trap"\];n9[\"trapalt"/];`; got != want {
t.Errorf("got [%v]:%T want [%v]:%T", got, got, want, want)
}
}
// Deprecated: Use MermaidShapeCircle instead of MermaidShapeCirle
func TestMermaidShapeCirle(t *testing.T) {
di := NewGraph(Directed)
di.Node("circ").Attr("shape", MermaidShapeCirle)
s := MermaidGraph(di, MermaidLeftToRight)
// t.Log(s)
if got, want := flatten(s), `graph LR;n1(("circ"));`; got != want {
t.Errorf("got [%v]:%T want [%v]:%T", got, got, want, want)
}
}
func TestUndirectedMermaid(t *testing.T) {
un := NewGraph(Undirected)
un.Node("love").Edge(un.Node("happinez"))
s := MermaidFlowchart(un, MermaidLeftToRight)
//t.Log(s)
if got, want := flatten(s), `flowchart LR;n2("happinez");n1("love");n1---n2;`; got != want {
t.Errorf("got [%v]:%T want [%v]:%T", got, got, want, want)
}
}
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