b701571f37
This is a convenience for callers which are only interested in one value per key. Similar to how HTTP headers allow multiple keys per value, but are often used to store and retrieve only one value. Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes) Upstream-commit: 2af030ab57d1d84ac9a1d22552dc9d83b16951c4 Component: engine
62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
package data
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import (
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"testing"
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)
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func TestEmptyMessage(t *testing.T) {
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m := Empty()
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if m.String() != Encode(nil) {
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t.Fatalf("%v != %v", m.String(), Encode(nil))
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}
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}
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func TestSetMessage(t *testing.T) {
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m := Empty().Set("foo", "bar")
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output := m.String()
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expectedOutput := "000;3:foo,6:3:bar,,"
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if output != expectedOutput {
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t.Fatalf("'%v' != '%v'", output, expectedOutput)
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}
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decodedOutput, err := Decode(output)
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if err != nil {
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t.Fatal(err)
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}
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if len(decodedOutput) != 1 {
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t.Fatalf("wrong output data: %#v\n", decodedOutput)
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}
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}
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func TestSetMessageTwice(t *testing.T) {
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m := Empty().Set("foo", "bar").Set("ga", "bu")
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output := m.String()
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expectedOutput := "000;3:foo,6:3:bar,,2:ga,5:2:bu,,"
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if output != expectedOutput {
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t.Fatalf("'%v' != '%v'", output, expectedOutput)
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}
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decodedOutput, err := Decode(output)
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if err != nil {
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t.Fatal(err)
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}
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if len(decodedOutput) != 2 {
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t.Fatalf("wrong output data: %#v\n", decodedOutput)
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}
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}
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func TestSetDelMessage(t *testing.T) {
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m := Empty().Set("foo", "bar").Del("foo")
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output := m.String()
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expectedOutput := Encode(nil)
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if output != expectedOutput {
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t.Fatalf("'%v' != '%v'", output, expectedOutput)
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}
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}
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func TestGetOne(t *testing.T) {
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m := Empty().Set("shadok words", "ga", "bu", "zo", "meu")
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val := m.GetOne("shadok words")
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if val != "meu" {
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t.Fatalf("%#v", val)
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}
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}
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