112 lines
3.7 KiB
Go
112 lines
3.7 KiB
Go
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package cli
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import (
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"testing"
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)
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func TestUTokenize(t *testing.T) {
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cases := []struct {
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usage string
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expected []*uToken
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}{
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{"OPTIONS", []*uToken{{utOptions, "OPTIONS", 0}}},
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{"XOPTIONS", []*uToken{{utPos, "XOPTIONS", 0}}},
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{"OPTIONSX", []*uToken{{utPos, "OPTIONSX", 0}}},
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{"ARG", []*uToken{{utPos, "ARG", 0}}},
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{"ARG42", []*uToken{{utPos, "ARG42", 0}}},
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{"ARG_EXTRA", []*uToken{{utPos, "ARG_EXTRA", 0}}},
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{"ARG1 ARG2", []*uToken{{utPos, "ARG1", 0}, {utPos, "ARG2", 5}}},
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{"ARG1 ARG2", []*uToken{{utPos, "ARG1", 0}, {utPos, "ARG2", 6}}},
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{"[ARG]", []*uToken{{utOpenSq, "[", 0}, {utPos, "ARG", 1}, {utCloseSq, "]", 4}}},
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{"[ ARG ]", []*uToken{{utOpenSq, "[", 0}, {utPos, "ARG", 2}, {utCloseSq, "]", 6}}},
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{"ARG [ARG2 ]", []*uToken{{utPos, "ARG", 0}, {utOpenSq, "[", 4}, {utPos, "ARG2", 5}, {utCloseSq, "]", 10}}},
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{"ARG [ ARG2]", []*uToken{{utPos, "ARG", 0}, {utOpenSq, "[", 4}, {utPos, "ARG2", 6}, {utCloseSq, "]", 10}}},
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{"...", []*uToken{{utRep, "...", 0}}},
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{"ARG...", []*uToken{{utPos, "ARG", 0}, {utRep, "...", 3}}},
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{"ARG ...", []*uToken{{utPos, "ARG", 0}, {utRep, "...", 4}}},
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{"[ARG...]", []*uToken{{utOpenSq, "[", 0}, {utPos, "ARG", 1}, {utRep, "...", 4}, {utCloseSq, "]", 7}}},
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{"|", []*uToken{{utChoice, "|", 0}}},
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{"ARG|ARG2", []*uToken{{utPos, "ARG", 0}, {utChoice, "|", 3}, {utPos, "ARG2", 4}}},
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{"ARG |ARG2", []*uToken{{utPos, "ARG", 0}, {utChoice, "|", 4}, {utPos, "ARG2", 5}}},
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{"ARG| ARG2", []*uToken{{utPos, "ARG", 0}, {utChoice, "|", 3}, {utPos, "ARG2", 5}}},
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{"[OPTIONS]", []*uToken{{utOpenSq, "[", 0}, {utOptions, "OPTIONS", 1}, {utCloseSq, "]", 8}}},
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{"-p", []*uToken{{utShortOpt, "-p", 0}}},
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{"-X", []*uToken{{utShortOpt, "-X", 0}}},
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{"--force", []*uToken{{utLongOpt, "--force", 0}}},
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{"--sig-proxy", []*uToken{{utLongOpt, "--sig-proxy", 0}}},
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{"-aBc", []*uToken{{utOptSeq, "aBc", 1}}},
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{"--", []*uToken{{utDoubleDash, "--", 0}}},
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{"=<bla>", []*uToken{{utOptValue, "=<bla>", 0}}},
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{"=<bla-bla>", []*uToken{{utOptValue, "=<bla-bla>", 0}}},
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{"=<bla--bla>", []*uToken{{utOptValue, "=<bla--bla>", 0}}},
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{"-p=<file-path>", []*uToken{{utShortOpt, "-p", 0}, {utOptValue, "=<file-path>", 2}}},
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{"--path=<absolute-path>", []*uToken{{utLongOpt, "--path", 0}, {utOptValue, "=<absolute-path>", 6}}},
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}
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for _, c := range cases {
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t.Logf("test %s", c.usage)
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tks, err := uTokenize(c.usage)
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if err != nil {
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t.Errorf("[Tokenize '%s']: Unexpected error: %v", c.usage, err)
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continue
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}
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t.Logf("actual: %v\n", tks)
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if len(tks) != len(c.expected) {
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t.Errorf("[Tokenize '%s']: token count mismatch:\n\tExpected: %v\n\tActual : %v", c.usage, c.expected, tks)
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continue
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}
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for i, actual := range tks {
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expected := c.expected[i]
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switch {
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case actual.typ != expected.typ:
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t.Errorf("[Tokenize '%s']: token type mismatch:\n\tExpected: %v\n\tActual : %v", c.usage, expected, actual)
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case actual.val != expected.val:
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t.Errorf("[Tokenize '%s']: token text mismatch:\n\tExpected: %v\n\tActual : %v", c.usage, expected, actual)
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case actual.pos != expected.pos:
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t.Errorf("[Tokenize '%s']: token pos mismatch:\n\tExpected: %v\n\tActual : %v", c.usage, expected, actual)
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}
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}
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}
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}
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func TestUTokenizeErrors(t *testing.T) {
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cases := []struct {
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usage string
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pos int
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}{
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{"-", 1},
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{"---x", 2},
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{"-x-", 2},
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{"=", 1},
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{"=<", 2},
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{"=<dsdf", 6},
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{"=<>", 2},
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}
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for _, c := range cases {
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t.Logf("test %s", c.usage)
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tks, err := uTokenize(c.usage)
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if err == nil {
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t.Errorf("Tokenize('%s') should have failed, instead got %v", c.usage, tks)
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continue
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}
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t.Logf("Got expected error %v", err)
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if err.pos != c.pos {
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t.Errorf("[Tokenize '%s']: error pos mismatch:\n\tExpected: %v\n\tActual : %v", c.usage, c.pos, err.pos)
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}
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}
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}
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