Commit 1f8230c9 authored by Juan Batiz-Benet's avatar Juan Batiz-Benet

Merge pull request #1263 from ipfs/stdin-parsing-optional-arg

Stdin parsing optional arg
parents 5c94a68a 23681727
......@@ -219,9 +219,11 @@ func parseArgs(inputs []string, stdin *os.File, argDefs []cmds.Argument, recursi
}
}
// count number of values provided by user
// count number of values provided by user.
// if there is at least one ArgDef, we can safely trigger the inputs loop
// below to parse stdin.
numInputs := len(inputs)
if stdin != nil {
if len(argDefs) > 0 && argDefs[len(argDefs)-1].SupportsStdin && stdin != nil {
numInputs += 1
}
......
......@@ -144,6 +144,12 @@ func TestArgumentParsing(t *testing.T) {
commands.StringArg("b", false, true, "another arg"),
},
},
"optionalsecond": {
Arguments: []commands.Argument{
commands.StringArg("a", true, false, "some arg"),
commands.StringArg("b", false, false, "another arg"),
},
},
"reversedoptional": {
Arguments: []commands.Argument{
commands.StringArg("a", false, false, "some arg"),
......@@ -213,6 +219,12 @@ func TestArgumentParsing(t *testing.T) {
test([]string{"optional", "value!"}, nil, []string{"value!"})
test([]string{"optional"}, nil, []string{})
test([]string{"optional", "value1", "value2"}, nil, []string{"value1", "value2"})
test([]string{"optionalsecond", "value!"}, nil, []string{"value!"})
test([]string{"optionalsecond", "value1", "value2"}, nil, []string{"value1", "value2"})
testFail([]string{"optionalsecond"}, "didn't provide any args, 1 required")
testFail([]string{"optionalsecond", "value1", "value2", "value3"}, "provided too many args, takes 2 maximum")
test([]string{"reversedoptional", "value1", "value2"}, nil, []string{"value1", "value2"})
test([]string{"reversedoptional", "value!"}, nil, []string{"value!"})
......@@ -268,4 +280,10 @@ func TestArgumentParsing(t *testing.T) {
fstdin = fileToSimulateStdin(t, "stdin1")
test([]string{"stdinenablednotvariadic2args", "value1"}, fstdin, []string{"value1", "stdin1"})
test([]string{"stdinenablednotvariadic2args", "value1", "value2"}, fstdin, []string{"value1", "value2"})
fstdin = fileToSimulateStdin(t, "stdin1")
test([]string{"noarg"}, fstdin, []string{})
fstdin = fileToSimulateStdin(t, "stdin1")
test([]string{"optionalsecond", "value1", "value2"}, fstdin, []string{"value1", "value2"})
}
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