dockviz/images_test.go
2014-04-25 07:45:08 -07:00

67 lines
2.2 KiB
Go

package main
import (
"regexp"
"testing"
)
type RunTest struct {
json string
regexps []string
}
func Test_Dot(t *testing.T) {
allMatch := []string{
"(?s)digraph docker {.*}",
`(?m) base \[style=invisible\]`,
}
allRegex := compileRegexps(t, allMatch)
dotTests := []RunTest{
RunTest{
json: `[{ "VirtualSize": 662553464, "Size": 662553464, "RepoTags": [ "<none>:<none>" ], "ParentId": "", "Id": "4c1208b690c68af3476b437e7bc2bcc460f062bda2094d2d8f21a7e70368d358", "Created": 1386114144 }]`,
regexps: []string{
`base -> "4c1208b690c6"`,
},
},
RunTest{
json: `[{ "VirtualSize": 662553464, "Size": 0, "RepoTags": [ "foo:latest" ], "ParentId": "735f5db5626147582d2ae3f2c87be8e5e697c088574c5faaf8d4d1bccab99470", "Id": "c87be8e5e697c735f5db5626147582d2ae3f2088574c5faaf8d4d1bccab99470", "Created": 1386142123 },{ "VirtualSize": 662553464, "Size": 0, "RepoTags": [ "<none>:<none>" ], "ParentId": "4c1208b690c68af3476b437e7bc2bcc460f062bda2094d2d8f21a7e70368d358", "Id": "735f5db5626147582d2ae3f2c87be8e5e697c088574c5faaf8d4d1bccab99470", "Created": 1386142123 },{ "VirtualSize": 662553464, "Size": 662553464, "RepoTags": [ "<none>:<none>" ], "ParentId": "", "Id": "4c1208b690c68af3476b437e7bc2bcc460f062bda2094d2d8f21a7e70368d358", "Created": 1386114144 }]`,
regexps: []string{
`base -> "4c1208b690c6"`,
`"4c1208b690c6" -> "735f5db56261"`,
`"c87be8e5e697" \[label="c87be8e5e697\\nfoo:latest"`,
},
},
}
for _, dotTest := range dotTests {
im, _ := parseJSON([]byte(dotTest.json))
result := jsonToDot(im)
for _, regexp := range allRegex {
if !regexp.MatchString(result) {
t.Fatalf("images dot content '%s' did not match regexp '%s'", result, regexp)
}
}
for _, regexp := range compileRegexps(t, dotTest.regexps) {
if !regexp.MatchString(result) {
t.Fatalf("images dot content '%s' did not match regexp '%s'", result, regexp)
}
}
}
}
func compileRegexps(t *testing.T, regexpStrings []string) []*regexp.Regexp {
compiledRegexps := []*regexp.Regexp{}
for _, regexpString := range regexpStrings {
regexp, err := regexp.Compile(regexpString)
if err != nil {
t.Errorf("Error in regex string '%s': %s", regexpString, err)
}
compiledRegexps = append(compiledRegexps, regexp)
}
return compiledRegexps
}