54 lines
877 B
Go
54 lines
877 B
Go
package digraph
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import (
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"fmt"
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"testing"
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)
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func TestParseBasic(t *testing.T) {
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spec := `a -> b ; first
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b -> c ; second
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b -> d ; third
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z -> a`
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nodes := ParseBasic(spec)
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if len(nodes) != 5 {
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t.Fatalf("bad: %v", nodes)
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}
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a := nodes["a"]
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if a.Name != "a" {
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t.Fatalf("bad: %v", a)
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}
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aEdges := a.Edges()
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if len(aEdges) != 1 {
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t.Fatalf("bad: %v", a.Edges())
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}
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if fmt.Sprintf("%v", aEdges[0]) != "first" {
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t.Fatalf("bad: %v", aEdges[0])
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}
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b := nodes["b"]
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if len(b.Edges()) != 2 {
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t.Fatalf("bad: %v", b.Edges())
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}
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c := nodes["c"]
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if len(c.Edges()) != 0 {
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t.Fatalf("bad: %v", c.Edges())
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}
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d := nodes["d"]
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if len(d.Edges()) != 0 {
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t.Fatalf("bad: %v", d.Edges())
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}
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z := nodes["z"]
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zEdges := z.Edges()
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if len(zEdges) != 1 {
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t.Fatalf("bad: %v", z.Edges())
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}
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if fmt.Sprintf("%v", zEdges[0]) != "Edge" {
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t.Fatalf("bad: %v", zEdges[0])
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}
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}
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