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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"bytes"
"fmt"
"reflect"
"testing"
)
func TestRun(t *testing.T) {
out := &bytes.Buffer{}
in := bytes.NewBuffer([]byte(`
test.com/A@v1.0.0 test.com/B@v1.2.3
test.com/B@v1.0.0 test.com/C@v4.5.6
`))
if err := modgraphviz(in, out); err != nil {
t.Fatal(err)
}
gotGraph := string(out.Bytes())
wantGraph := `digraph gomodgraph {
node [ shape=rectangle fontsize=12 ]
"test.com/A@v1.0.0" -> "test.com/B@v1.2.3"
"test.com/B@v1.0.0" -> "test.com/C@v4.5.6"
"test.com/A@v1.0.0" [style = filled, fillcolor = green]
"test.com/B@v1.2.3" [style = filled, fillcolor = green]
"test.com/C@v4.5.6" [style = filled, fillcolor = green]
"test.com/B@v1.0.0" [style = filled, fillcolor = gray]
}
`
if gotGraph != wantGraph {
t.Fatalf("\ngot: %s\nwant: %s", gotGraph, wantGraph)
}
}
func TestMVSPicking(t *testing.T) {
for _, tc := range []struct {
name string
in []string
wantPicked []string
wantUnpicked []string
}{
{
name: "single node",
in: []string{"foo@v0.0.1"},
wantPicked: []string{"foo@v0.0.1"},
wantUnpicked: nil,
},
{
name: "duplicate same node",
in: []string{"foo@v0.0.1", "foo@v0.0.1"},
wantPicked: []string{"foo@v0.0.1"},
wantUnpicked: nil,
},
{
name: "multiple semver - same major",
in: []string{"foo@v1.0.0", "foo@v1.3.7", "foo@v1.2.0", "foo@v1.0.1"},
wantPicked: []string{"foo@v1.3.7"},
wantUnpicked: []string{"foo@v1.0.0", "foo@v1.2.0", "foo@v1.0.1"},
},
{
name: "multiple semver - multiple major",
in: []string{"foo@v1.0.0", "foo@v1.3.7", "foo/v2@v2.2.0", "foo/v2@v2.0.1", "foo@v1.1.1"},
wantPicked: []string{"foo/v2@v2.2.0", "foo@v1.3.7"},
wantUnpicked: []string{"foo@v1.0.0", "foo/v2@v2.0.1", "foo@v1.1.1"},
},
{
name: "semver and pseudo version",
in: []string{"foo@v1.0.0", "foo@v1.3.7", "foo/v2@v2.2.0", "foo/v2@v2.0.1", "foo@v1.1.1", "foo@v0.0.0-20190311183353-d8887717615a"},
wantPicked: []string{"foo/v2@v2.2.0", "foo@v1.3.7"},
wantUnpicked: []string{"foo@v1.0.0", "foo/v2@v2.0.1", "foo@v1.1.1", "foo@v0.0.0-20190311183353-d8887717615a"},
},
{
name: "multiple pseudo version",
in: []string{
"foo@v0.0.0-20190311183353-d8887717615a",
"foo@v0.0.0-20190227222117-0694c2d4d067",
"foo@v0.0.0-20190312151545-0bb0c0a6e846",
},
wantPicked: []string{"foo@v0.0.0-20190312151545-0bb0c0a6e846"},
wantUnpicked: []string{
"foo@v0.0.0-20190227222117-0694c2d4d067",
"foo@v0.0.0-20190311183353-d8887717615a",
},
},
{
name: "semver and suffix",
in: []string{"foo@v1.0.0", "foo@v1.3.8-rc1", "foo@v1.3.7"},
wantPicked: []string{"foo@v1.3.8-rc1"},
wantUnpicked: []string{"foo@v1.0.0", "foo@v1.3.7"},
},
} {
t.Run(tc.name, func(t *testing.T) {
buf := bytes.Buffer{}
for _, node := range tc.in {
fmt.Fprintf(&buf, "A %s\n", node)
}
g, err := convert(&buf)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(g.mvsPicked, tc.wantPicked) {
t.Fatalf("picked: got %v, want %v", g.mvsPicked, tc.wantPicked)
}
if !reflect.DeepEqual(g.mvsUnpicked, tc.wantUnpicked) {
t.Fatalf("unpicked: got %v, want %v", g.mvsUnpicked, tc.wantUnpicked)
}
})
}
}
|
