102 lines
2.0 KiB
Go
102 lines
2.0 KiB
Go
package dag
|
|
|
|
import (
|
|
"strings"
|
|
"testing"
|
|
)
|
|
|
|
func TestGraphDot_empty(t *testing.T) {
|
|
var g Graph
|
|
g.Add(1)
|
|
g.Add(2)
|
|
g.Add(3)
|
|
|
|
actual := strings.TrimSpace(string(g.Dot(nil)))
|
|
expected := strings.TrimSpace(testGraphDotEmptyStr)
|
|
if actual != expected {
|
|
t.Fatalf("bad: %s", actual)
|
|
}
|
|
}
|
|
|
|
func TestGraphDot_basic(t *testing.T) {
|
|
var g Graph
|
|
g.Add(1)
|
|
g.Add(2)
|
|
g.Add(3)
|
|
g.Connect(BasicEdge(1, 3))
|
|
|
|
actual := strings.TrimSpace(string(g.Dot(nil)))
|
|
expected := strings.TrimSpace(testGraphDotBasicStr)
|
|
if actual != expected {
|
|
t.Fatalf("bad: %s", actual)
|
|
}
|
|
}
|
|
|
|
func TestGraphDot_quoted(t *testing.T) {
|
|
var g Graph
|
|
quoted := `name["with-quotes"]`
|
|
other := `other`
|
|
g.Add(quoted)
|
|
g.Add(other)
|
|
g.Connect(BasicEdge(quoted, other))
|
|
|
|
actual := strings.TrimSpace(string(g.Dot(nil)))
|
|
expected := strings.TrimSpace(testGraphDotQuotedStr)
|
|
if actual != expected {
|
|
t.Fatalf("\ngot: %q\nwanted %q\n", actual, expected)
|
|
}
|
|
}
|
|
|
|
func TestGraphDot_attrs(t *testing.T) {
|
|
var g Graph
|
|
g.Add(&testGraphNodeDotter{
|
|
Result: &DotNode{
|
|
Name: "foo",
|
|
Attrs: map[string]string{"foo": "bar"},
|
|
},
|
|
})
|
|
|
|
actual := strings.TrimSpace(string(g.Dot(nil)))
|
|
expected := strings.TrimSpace(testGraphDotAttrsStr)
|
|
if actual != expected {
|
|
t.Fatalf("bad: %s", actual)
|
|
}
|
|
}
|
|
|
|
type testGraphNodeDotter struct{ Result *DotNode }
|
|
|
|
func (n *testGraphNodeDotter) Name() string { return n.Result.Name }
|
|
func (n *testGraphNodeDotter) DotNode(string, *DotOpts) *DotNode { return n.Result }
|
|
|
|
const testGraphDotQuotedStr = `digraph {
|
|
compound = "true"
|
|
newrank = "true"
|
|
subgraph "root" {
|
|
"[root] name[\"with-quotes\"]" -> "[root] other"
|
|
}
|
|
}`
|
|
|
|
const testGraphDotBasicStr = `digraph {
|
|
compound = "true"
|
|
newrank = "true"
|
|
subgraph "root" {
|
|
"[root] 1" -> "[root] 3"
|
|
}
|
|
}
|
|
`
|
|
|
|
const testGraphDotEmptyStr = `digraph {
|
|
compound = "true"
|
|
newrank = "true"
|
|
subgraph "root" {
|
|
}
|
|
}`
|
|
|
|
const testGraphDotAttrsStr = `digraph {
|
|
compound = "true"
|
|
newrank = "true"
|
|
subgraph "root" {
|
|
"[root] foo" [foo = "bar"]
|
|
}
|
|
}`
|