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sap-jenkins-library/pkg/docker/docker_test.go

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package docker
import (
"fmt"
"testing"
"github.com/SAP/jenkins-library/pkg/mock"
"github.com/stretchr/testify/assert"
)
func TestCreateDockerConfigJSON(t *testing.T) {
t.Parallel()
t.Run("success - new file", func(t *testing.T) {
utilsMock := mock.FilesMock{}
configFile, err := CreateDockerConfigJSON("https://test.server.url", "testUser", "testPassword", "test/config.json", "", &utilsMock)
assert.NoError(t, err)
assert.Equal(t, "test/config.json", configFile)
configFileContent, err := utilsMock.FileRead(configFile)
assert.NoError(t, err)
assert.Contains(t, string(configFileContent), `"auth":"dGVzdFVzZXI6dGVzdFBhc3N3b3Jk"`)
})
t.Run("success - update file", func(t *testing.T) {
utilsMock := mock.FilesMock{}
existingConfig := `{
"auths": {
"existing.registry.url:50000": {
"auth": "Base64Auth"
}
},
"HttpHeaders": {
"User-Agent": "Docker-Client/18.06.3-ce (linux)"
}
}`
existingConfigFilePath := ".docker/config.json"
utilsMock.AddFile(existingConfigFilePath, []byte(existingConfig))
configFile, err := CreateDockerConfigJSON("https://test.server.url", "testUser", "testPassword", "", existingConfigFilePath, &utilsMock)
assert.NoError(t, err)
configFileContent, err := utilsMock.FileRead(configFile)
assert.NoError(t, err)
assert.Contains(t, string(configFileContent), `"existing.registry.url:50000"`)
assert.Contains(t, string(configFileContent), `"auth":"Base64Auth"`)
assert.Contains(t, string(configFileContent), `"https://test.server.url"`)
assert.Contains(t, string(configFileContent), `"auth":"dGVzdFVzZXI6dGVzdFBhc3N3b3Jk"`)
assert.Contains(t, string(configFileContent), `"User-Agent":"Docker-Client/18.06.3-ce (linux)`)
})
t.Run("success - update file with empty auths", func(t *testing.T) {
utilsMock := mock.FilesMock{}
existingConfig := `{
"auths": {},
"HttpHeaders": {
"User-Agent": "Docker-Client/18.06.3-ce (linux)"
}
}`
existingConfigFilePath := ".docker/config.json"
utilsMock.AddFile(existingConfigFilePath, []byte(existingConfig))
configFile, err := CreateDockerConfigJSON("https://test.server.url", "testUser", "testPassword", "", existingConfigFilePath, &utilsMock)
assert.NoError(t, err)
configFileContent, err := utilsMock.FileRead(configFile)
assert.NoError(t, err)
assert.Contains(t, string(configFileContent), `"auth":"dGVzdFVzZXI6dGVzdFBhc3N3b3Jk"`)
assert.Contains(t, string(configFileContent), `"User-Agent":"Docker-Client/18.06.3-ce (linux)`)
})
t.Run("error - config file read", func(t *testing.T) {
// FilesMock does not yet provide capability for FileRead errors
//t.Skip()
utilsMock := mock.FilesMock{FileReadErrors: map[string]error{".docker/config.json": fmt.Errorf("read error")}}
existingConfigFilePath := ".docker/config.json"
utilsMock.AddFile(existingConfigFilePath, []byte("{}"))
_, err := CreateDockerConfigJSON("https://test.server.url", "testUser", "testPassword", "", existingConfigFilePath, &utilsMock)
assert.Error(t, err)
assert.Contains(t, fmt.Sprint(err), "failed to read file '.docker/config.json'")
})
t.Run("error - config file unmarshal", func(t *testing.T) {
utilsMock := mock.FilesMock{}
existingConfig := `{`
existingConfigFilePath := ".docker/config.json"
utilsMock.AddFile(existingConfigFilePath, []byte(existingConfig))
_, err := CreateDockerConfigJSON("https://test.server.url", "testUser", "testPassword", "", existingConfigFilePath, &utilsMock)
assert.Error(t, err)
assert.Contains(t, fmt.Sprint(err), "failed to unmarshal json file '.docker/config.json'")
})
t.Run("error - config file write", func(t *testing.T) {
utilsMock := mock.FilesMock{}
utilsMock.FileWriteError = fmt.Errorf("write error")
_, err := CreateDockerConfigJSON("https://test.server.url", "testUser", "testPassword", "", "", &utilsMock)
assert.Error(t, err)
assert.Contains(t, fmt.Sprint(err), "failed to write Docker config.json")
})
}
func TestGetImageSource(t *testing.T) {
cases := []struct {
imageName string
registryURL string
localPath string
want string
}{
{"imageName", "", "", "imageName"},
{"imageName", "", "localPath", "daemon://localPath"},
{"imageName", "http://registryURL", "", "remote://registryURL/imageName"},
{"imageName", "https://containerRegistryUrl", "", "remote://containerRegistryUrl/imageName"},
{"imageName", "registryURL", "", "remote://registryURL/imageName"},
}
client := Client{}
for _, c := range cases {
options := ClientOptions{ImageName: c.imageName, RegistryURL: c.registryURL, LocalPath: c.localPath}
client.SetOptions(options)
got, err := client.GetImageSource()
assert.Nil(t, err)
assert.Equal(t, c.want, got)
}
}