DockerCLI/cli/command/formatter/stack_test.go

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package formatter
import (
"bytes"
"testing"
"github.com/gotestyourself/gotestyourself/assert"
is "github.com/gotestyourself/gotestyourself/assert/cmp"
)
func TestStackContextWrite(t *testing.T) {
cases := []struct {
context Context
expected string
}{
// Errors
{
Context{Format: "{{InvalidFunction}}"},
`Template parsing error: template: :1: function "InvalidFunction" not defined
`,
},
{
Context{Format: "{{nil}}"},
`Template parsing error: template: :1:2: executing "" at <nil>: nil is not a command
`,
},
// Table format
{
Context{Format: Format(SwarmStackTableFormat)},
`NAME SERVICES ORCHESTRATOR
baz 2 orchestrator1
bar 1 orchestrator2
`,
},
// Kubernetes table format adds Namespace column
{
Context{Format: Format(KubernetesStackTableFormat)},
`NAME SERVICES ORCHESTRATOR NAMESPACE
baz 2 orchestrator1 namespace1
bar 1 orchestrator2 namespace2
`,
},
{
Context{Format: Format("table {{.Name}}")},
`NAME
baz
bar
`,
},
// Custom Format
{
Context{Format: Format("{{.Name}}")},
`baz
bar
`,
},
}
stacks := []*Stack{
{Name: "baz", Services: 2, Orchestrator: "orchestrator1", Namespace: "namespace1"},
{Name: "bar", Services: 1, Orchestrator: "orchestrator2", Namespace: "namespace2"},
}
for _, testcase := range cases {
out := bytes.NewBufferString("")
testcase.context.Output = out
err := StackWrite(testcase.context, stacks)
if err != nil {
assert.Check(t, is.ErrorContains(err, testcase.expected))
} else {
assert.Check(t, is.Equal(out.String(), testcase.expected))
}
}
}