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commands/cli: Added argument parse tests

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This commit is contained in:
Matt Bell 2014-11-19 18:30:06 -08:00
parent a69ddbb965
commit 922f84878c
1 changed files with 105 additions and 0 deletions
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105
commands/cli/parse_test.go
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@ -49,3 +49,108 @@ func TestOptionParsing(t *testing.T) {
t.Errorf("Returned command was different than expected")
}
}
func TestArgumentParsing(t *testing.T) {
rootCmd := &commands.Command{
Subcommands: map[string]*commands.Command{
"noarg": &commands.Command{},
"onearg": &commands.Command{
Arguments: []commands.Argument{
commands.StringArg("a", true, false, "some arg"),
},
},
"twoargs": &commands.Command{
Arguments: []commands.Argument{
commands.StringArg("a", true, false, "some arg"),
commands.StringArg("b", true, false, "another arg"),
},
},
"variadic": &commands.Command{
Arguments: []commands.Argument{
commands.StringArg("a", true, true, "some arg"),
},
},
"optional": &commands.Command{
Arguments: []commands.Argument{
commands.StringArg("b", false, true, "another arg"),
},
},
"reversedoptional": &commands.Command{
Arguments: []commands.Argument{
commands.StringArg("a", false, false, "some arg"),
commands.StringArg("b", true, false, "another arg"),
},
},
},
}
_, _, _, err := Parse([]string{"noarg"}, nil, rootCmd)
if err != nil {
t.Error("Should have passed")
}
_, _, _, err = Parse([]string{"noarg", "value!"}, nil, rootCmd)
if err == nil {
t.Error("Should have failed (provided an arg, but command didn't define any)")
}
_, _, _, err = Parse([]string{"onearg", "value!"}, nil, rootCmd)
if err != nil {
t.Error("Should have passed")
}
_, _, _, err = Parse([]string{"onearg"}, nil, rootCmd)
if err == nil {
t.Error("Should have failed (didn't provide any args, arg is required)")
}
_, _, _, err = Parse([]string{"twoargs", "value1", "value2"}, nil, rootCmd)
if err != nil {
t.Error("Should have passed")
}
_, _, _, err = Parse([]string{"twoargs", "value!"}, nil, rootCmd)
if err == nil {
t.Error("Should have failed (only provided 1 arg, needs 2)")
}
_, _, _, err = Parse([]string{"twoargs"}, nil, rootCmd)
if err == nil {
t.Error("Should have failed (didn't provide any args, 2 required)")
}
_, _, _, err = Parse([]string{"variadic", "value!"}, nil, rootCmd)
if err != nil {
t.Error("Should have passed")
}
_, _, _, err = Parse([]string{"variadic", "value1", "value2", "value3"}, nil, rootCmd)
if err != nil {
t.Error("Should have passed")
}
_, _, _, err = Parse([]string{"variadic"}, nil, rootCmd)
if err == nil {
t.Error("Should have failed (didn't provide any args, 1 required)")
}
_, _, _, err = Parse([]string{"optional", "value!"}, nil, rootCmd)
if err != nil {
t.Error("Should have passed")
}
_, _, _, err = Parse([]string{"optional"}, nil, rootCmd)
if err != nil {
t.Error("Should have passed")
}
_, _, _, err = Parse([]string{"reversedoptional", "value1", "value2"}, nil, rootCmd)
if err != nil {
t.Error("Should have passed")
}
_, _, _, err = Parse([]string{"reversedoptional", "value!"}, nil, rootCmd)
if err != nil {
t.Error("Should have passed")
}
_, _, _, err = Parse([]string{"reversedoptional"}, nil, rootCmd)
if err == nil {
t.Error("Should have failed (didn't provide any args, 1 required)")
}
_, _, _, err = Parse([]string{"reversedoptional", "value1", "value2", "value3"}, nil, rootCmd)
if err == nil {
t.Error("Should have failed (provided too many args, only takes 1)")
}
}