cobra/powershell_completions_test.go

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2018-12-17 23:01:34 +00:00
package cobra
import (
"bytes"
"strings"
"testing"
)
func TestPowerShellCompletion(t *testing.T) {
tcs := []struct {
name string
root *Command
expectedExpressions []string
}{
{
name: "trivial",
root: &Command{Use: "trivialapp"},
expectedExpressions: []string{
"Register-ArgumentCompleter -Native -CommandName 'trivialapp' -ScriptBlock",
"$command = @(\n 'trivialapp'\n",
},
},
{
name: "tree",
root: func() *Command {
r := &Command{Use: "tree"}
sub1 := &Command{Use: "sub1"}
r.AddCommand(sub1)
sub11 := &Command{Use: "sub11"}
sub12 := &Command{Use: "sub12"}
sub1.AddCommand(sub11)
sub1.AddCommand(sub12)
sub2 := &Command{Use: "sub2"}
r.AddCommand(sub2)
sub21 := &Command{Use: "sub21"}
sub22 := &Command{Use: "sub22"}
sub2.AddCommand(sub21)
sub2.AddCommand(sub22)
return r
}(),
expectedExpressions: []string{
"'tree'",
"[CompletionResult]::new('sub1', 'sub1', [CompletionResultType]::ParameterValue, '')",
"[CompletionResult]::new('sub2', 'sub2', [CompletionResultType]::ParameterValue, '')",
"'tree;sub1'",
"[CompletionResult]::new('sub11', 'sub11', [CompletionResultType]::ParameterValue, '')",
"[CompletionResult]::new('sub12', 'sub12', [CompletionResultType]::ParameterValue, '')",
"'tree;sub1;sub11'",
"'tree;sub1;sub12'",
"'tree;sub2'",
"[CompletionResult]::new('sub21', 'sub21', [CompletionResultType]::ParameterValue, '')",
"[CompletionResult]::new('sub22', 'sub22', [CompletionResultType]::ParameterValue, '')",
"'tree;sub2;sub21'",
"'tree;sub2;sub22'",
},
},
{
name: "flags",
root: func() *Command {
r := &Command{Use: "flags"}
r.Flags().StringP("flag1", "a", "", "")
r.Flags().String("flag2", "", "")
sub1 := &Command{Use: "sub1"}
sub1.Flags().StringP("flag3", "c", "", "")
r.AddCommand(sub1)
return r
}(),
expectedExpressions: []string{
"'flags'",
"[CompletionResult]::new('-a', 'a', [CompletionResultType]::ParameterName, '')",
"[CompletionResult]::new('--flag1', 'flag1', [CompletionResultType]::ParameterName, '')",
"[CompletionResult]::new('--flag2', 'flag2', [CompletionResultType]::ParameterName, '')",
"[CompletionResult]::new('sub1', 'sub1', [CompletionResultType]::ParameterValue, '')",
"'flags;sub1'",
"[CompletionResult]::new('-c', 'c', [CompletionResultType]::ParameterName, '')",
"[CompletionResult]::new('--flag3', 'flag3', [CompletionResultType]::ParameterName, '')",
},
},
{
name: "usage",
root: func() *Command {
r := &Command{Use: "usage"}
r.Flags().String("flag", "", "this describes the usage of the 'flag' flag")
sub1 := &Command{
Use: "sub1",
Short: "short describes 'sub1'",
}
r.AddCommand(sub1)
return r
}(),
expectedExpressions: []string{
"[CompletionResult]::new('--flag', 'flag', [CompletionResultType]::ParameterName, 'this describes the usage of the ''flag'' flag')",
"[CompletionResult]::new('sub1', 'sub1', [CompletionResultType]::ParameterValue, 'short describes ''sub1''')",
},
},
}
for _, tc := range tcs {
t.Run(tc.name, func(t *testing.T) {
buf := new(bytes.Buffer)
tc.root.GenPowerShellCompletion(buf)
output := buf.String()
for _, expectedExpression := range tc.expectedExpressions {
if !strings.Contains(output, expectedExpression) {
t.Errorf("Expected completion to contain %q somewhere; got %q", expectedExpression, output)
}
}
})
}
}