Revert "Merge pull request #121 from JasonGiedymin/master"

This reverts commit d3819e3209, reversing
changes made to ea4210b206.
This commit is contained in:
Mitchell Hashimoto 2014-08-05 10:33:17 -07:00
parent d3819e3209
commit fac3f8defc
1 changed files with 35 additions and 92 deletions

View File

@ -1,101 +1,44 @@
package digraph package digraph
import ( import (
"bytes" "bytes"
"reflect" "strings"
"sort" "testing"
"strings"
"testing"
) )
var testTable = []struct {
BasicData string // Basic graph data
ExpectedDigraphData string // Digraph data which should be generated from BasicData
}{
{
`a -> b ; foo
a -> c
b -> d
b -> e
`,
`digraph {
"a";
"a" -> "b" [label="foo"];
"a" -> "c" [label="Edge"];
"b";
"b" -> "d" [label="Edge"];
"b" -> "e" [label="Edge"];
"c";
"d";
"e";
}`,
},
{
`a -> c ; foo
a -> d
b -> c
b -> e
a -> f
`,
`digraph {
"a";
"a" -> "c" [label="foo"];
"a" -> "f" [label="Edge"];
"a" -> "d" [label="Edge"];
"b";
"b" -> "c" [label="Edge"];
"b" -> "e" [label="Edge"];
"c";
"d";
"e";
"f";
}`,
},
}
// Nieve normalizer. Takes a string, splits it and sorts it.
func normalize(input string) []string {
out := strings.Split(input, "\n")
// trim each line
for i, str := range out {
out[i] = strings.TrimSpace(str)
}
sort.Strings(out)
return out
}
func TestWriteDot(t *testing.T) { func TestWriteDot(t *testing.T) {
// Build []Node from BasicNode map nodes := ParseBasic(`a -> b ; foo
var buildNodes = func(nodes map[string]*BasicNode) []Node { a -> c
var nlist []Node b -> d
for _, n := range nodes { b -> e
nlist = append(nlist, n) `)
} var nlist []Node
return nlist for _, n := range nodes {
} nlist = append(nlist, n)
}
// Get a normalized string representation of the file buf := bytes.NewBuffer(nil)
var writeFile = func(nlist []Node) string { if err := WriteDot(buf, nlist); err != nil {
buf := bytes.NewBuffer(nil) t.Fatalf("err: %s", err)
if err := WriteDot(buf, nlist); err != nil { }
t.Fatalf("err: %s", err)
}
return strings.TrimSpace(string(buf.Bytes()))
}
// For each entry in the test table construct an actual := strings.TrimSpace(string(buf.Bytes()))
// actual and expected values and compare. expected := strings.TrimSpace(writeDotStr)
for _, data := range testTable { if actual != expected {
nodes := buildNodes(ParseBasic(data.BasicData)) t.Fatalf("bad: %s", actual)
actual := normalize(writeFile(nodes)) }
expected := normalize(strings.TrimSpace(data.ExpectedDigraphData))
// Deep equal the array values
if !reflect.DeepEqual(actual, expected) {
t.Logf("Expected:\n%s", expected)
t.Fatalf("Bad:\n%s", actual)
}
}
} }
const writeDotStr = `
digraph {
"a";
"a" -> "b" [label="foo"];
"a" -> "c" [label="Edge"];
"b";
"b" -> "d" [label="Edge"];
"b" -> "e" [label="Edge"];
"c";
"d";
"e";
}
`