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https://github.com/spf13/cobra
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args_test: use sub-tests for grouping based on the validator
This commit is contained in:
umarcor
parent
0807dcbb57
commit
a2f84c8568
1 changed files with 101 additions and 209 deletions
304
args_test.go
304
args_test.go
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@ -6,204 +6,126 @@ import (
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"testing"
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)
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func newCommand(args PositionalArgs, withValid bool) *Command {
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type argsTestcase struct {
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exerr string // Expected error key (see map[string][string])
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args PositionalArgs // Args validator
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wValid bool // Define `ValidArgs` in the command
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rargs []string // Runtime args
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}
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var errStrings = map[string]string{
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"invalid": `invalid argument "a" for "c"`,
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"unknown": `unknown command "one" for "c"`,
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"less": "requires at least 2 arg(s), only received 1",
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"more": "accepts at most 2 arg(s), received 3",
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"notexact": "accepts 2 arg(s), received 3",
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"notinrange": "accepts between 2 and 4 arg(s), received 1",
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}
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func (tc *argsTestcase) test(t *testing.T) {
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c := &Command{
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Use: "c",
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Args: args,
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Args: tc.args,
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Run: emptyRun,
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}
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if withValid {
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if tc.wValid {
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c.ValidArgs = []string{"one", "two", "three"}
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}
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return c
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}
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func expectSuccess(output string, err error, t *testing.T) {
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if output != "" {
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t.Errorf("Unexpected output: %v", output)
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}
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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}
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o, e := executeCommand(c, tc.rargs...)
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func expectError(err error, t *testing.T, ex string) {
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if err == nil {
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if len(tc.exerr) > 0 {
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// Expect error
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if e == nil {
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t.Fatal("Expected an error")
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}
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expected := map[string]string{
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"valid": `invalid argument "a" for "c"`,
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"no": `unknown command "one" for "c"`,
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"min": "requires at least 2 arg(s), only received 1",
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"max": "accepts at most 2 arg(s), received 3",
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"exact": "accepts 2 arg(s), received 3",
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"range": "accepts between 2 and 4 arg(s), received 1",
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}[ex]
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if got := err.Error(); got != expected {
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expected, ok := errStrings[tc.exerr]
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if !ok {
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t.Errorf(`key "%s" is not found in map "errStrings"`, tc.exerr)
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return
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}
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if got := e.Error(); got != expected {
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t.Errorf("Expected: %q, got: %q", expected, got)
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}
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} else {
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// Expect success
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if o != "" {
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t.Errorf("Unexpected output: %v", o)
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}
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if e != nil {
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t.Fatalf("Unexpected error: %v", e)
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}
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}
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}
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// NoArgs
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func TestNoArgs(t *testing.T) {
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o, e := executeCommand(newCommand(NoArgs, false))
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expectSuccess(o, e, t)
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func testArgs(t *testing.T, tests map[string]argsTestcase) {
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for name, tc := range tests {
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t.Run(name, tc.test)
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}
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}
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func TestNoArgs_WithArgs(t *testing.T) {
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_, e := executeCommand(newCommand(NoArgs, false), "one")
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expectError(e, t, "no")
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func TestArgs_No(t *testing.T) {
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testArgs(t, map[string]argsTestcase{
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" | ": {"", NoArgs, false, []string{}},
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" | Arb": {"unknown", NoArgs, false, []string{"one"}},
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"Valid | Valid": {"unknown", NoArgs, true, []string{"one"}},
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})
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}
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func TestNoArgs_WithArgs_WithValid(t *testing.T) {
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_, e := executeCommand(newCommand(NoArgs, true), "one")
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expectError(e, t, "no")
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func TestArgs_Arbitrary(t *testing.T) {
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testArgs(t, map[string]argsTestcase{
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" | Arb": {"", ArbitraryArgs, false, []string{"a", "b"}},
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"Valid | Valid": {"", ArbitraryArgs, true, []string{"one", "two"}},
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"Valid | Invalid": {"invalid", ArbitraryArgs, true, []string{"a"}},
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})
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}
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// ArbitraryArgs
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func TestArbitraryArgs(t *testing.T) {
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o, e := executeCommand(newCommand(ArbitraryArgs, false), "a", "b")
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expectSuccess(o, e, t)
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func TestArgs_MinimumN(t *testing.T) {
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testArgs(t, map[string]argsTestcase{
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" | Arb": {"", MinimumNArgs(2), false, []string{"a", "b", "c"}},
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"Valid | Valid": {"", MinimumNArgs(2), true, []string{"one", "three"}},
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"Valid | Invalid": {"invalid", MinimumNArgs(2), true, []string{"a", "b"}},
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" | Less": {"less", MinimumNArgs(2), false, []string{"a"}},
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"Valid | Less": {"less", MinimumNArgs(2), true, []string{"one"}},
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"Valid | LessInvalid": {"invalid", MinimumNArgs(2), true, []string{"a"}},
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})
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}
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func TestArbitraryArgs_WithValid(t *testing.T) {
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o, e := executeCommand(newCommand(ArbitraryArgs, true), "one", "two")
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expectSuccess(o, e, t)
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func TestArgs_MaximumN(t *testing.T) {
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testArgs(t, map[string]argsTestcase{
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" | Arb": {"", MaximumNArgs(3), false, []string{"a", "b"}},
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"Valid | Valid": {"", MaximumNArgs(2), true, []string{"one", "three"}},
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"Valid | Invalid": {"invalid", MaximumNArgs(2), true, []string{"a", "b"}},
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" | More": {"more", MaximumNArgs(2), false, []string{"a", "b", "c"}},
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"Valid | More": {"more", MaximumNArgs(2), true, []string{"one", "three", "two"}},
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"Valid | MoreInvalid": {"invalid", MaximumNArgs(2), true, []string{"a", "b", "c"}},
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})
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}
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func TestArbitraryArgs_WithValid_WithInvalidArgs(t *testing.T) {
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_, e := executeCommand(newCommand(ArbitraryArgs, true), "a")
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expectError(e, t, "valid")
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func TestArgs_Exact(t *testing.T) {
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testArgs(t, map[string]argsTestcase{
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" | Arb": {"", ExactArgs(3), false, []string{"a", "b", "c"}},
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"Valid | Valid": {"", ExactArgs(3), true, []string{"three", "one", "two"}},
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"Valid | Invalid": {"invalid", ExactArgs(3), true, []string{"three", "a", "two"}},
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" | InvalidCount": {"notexact", ExactArgs(2), false, []string{"a", "b", "c"}},
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"Valid | InvalidCount": {"notexact", ExactArgs(2), true, []string{"three", "one", "two"}},
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"Valid | InvalidCountInvalid": {"invalid", ExactArgs(2), true, []string{"three", "a", "two"}},
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})
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}
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// MinimumNArgs
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func TestMinimumNArgs(t *testing.T) {
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o, e := executeCommand(newCommand(MinimumNArgs(2), false), "a", "b", "c")
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expectSuccess(o, e, t)
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func TestArgs_Range(t *testing.T) {
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testArgs(t, map[string]argsTestcase{
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" | Arb": {"", RangeArgs(2, 4), false, []string{"a", "b", "c"}},
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"Valid | Valid": {"", RangeArgs(2, 4), true, []string{"three", "one", "two"}},
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"Valid | Invalid": {"invalid", RangeArgs(2, 4), true, []string{"three", "a", "two"}},
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" | InvalidCount": {"notinrange", RangeArgs(2, 4), false, []string{"a"}},
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"Valid | InvalidCount": {"notinrange", RangeArgs(2, 4), true, []string{"two"}},
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"Valid | InvalidCountInvalid": {"invalid", RangeArgs(2, 4), true, []string{"a"}},
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})
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}
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func TestMinimumNArgs_WithValid(t *testing.T) {
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o, e := executeCommand(newCommand(MinimumNArgs(2), true), "one", "three")
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expectSuccess(o, e, t)
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}
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func TestMinimumNArgs_WithValid_WithInvalidArgs(t *testing.T) {
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_, e := executeCommand(newCommand(MinimumNArgs(2), true), "a", "b")
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expectError(e, t, "valid")
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}
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func TestMinimumNArgs_WithLessArgs(t *testing.T) {
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_, e := executeCommand(newCommand(MinimumNArgs(2), false), "a")
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expectError(e, t, "min")
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}
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func TestMinimumNArgs_WithValid_WithLessArgs(t *testing.T) {
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_, e := executeCommand(newCommand(MinimumNArgs(2), true), "one")
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expectError(e, t, "min")
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}
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func TestMinimumNArgs_WithValid_WithLessArgsWithInvalidArgs(t *testing.T) {
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_, e := executeCommand(newCommand(MinimumNArgs(2), true), "a")
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expectError(e, t, "valid")
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}
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// MaximumNArgs
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func TestMaximumNArgs(t *testing.T) {
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o, e := executeCommand(newCommand(MaximumNArgs(3), false), "a", "b")
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expectSuccess(o, e, t)
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}
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func TestMaximumNArgs_WithValid(t *testing.T) {
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o, e := executeCommand(newCommand(MaximumNArgs(2), true), "one", "three")
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expectSuccess(o, e, t)
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}
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func TestMaximumNArgs_WithValid_WithInvalidArgs(t *testing.T) {
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_, e := executeCommand(newCommand(MaximumNArgs(2), true), "a", "b")
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expectError(e, t, "valid")
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}
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func TestMaximumNArgs_WithMoreArgs(t *testing.T) {
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_, e := executeCommand(newCommand(MaximumNArgs(2), false), "a", "b", "c")
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expectError(e, t, "max")
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}
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func TestMaximumNArgs_WithValid_WithMoreArgs(t *testing.T) {
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_, e := executeCommand(newCommand(MaximumNArgs(2), true), "one", "three", "two")
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expectError(e, t, "max")
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}
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func TestMaximumNArgs_WithValid_WithMoreArgsWithInvalidArgs(t *testing.T) {
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_, e := executeCommand(newCommand(MaximumNArgs(2), true), "a", "b", "c")
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expectError(e, t, "valid")
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}
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// ExactArgs
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func TestExactArgs(t *testing.T) {
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o, e := executeCommand(newCommand(ExactArgs(3), false), "a", "b", "c")
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expectSuccess(o, e, t)
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}
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func TestExactArgs_WithValid(t *testing.T) {
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o, e := executeCommand(newCommand(ExactArgs(3), true), "three", "one", "two")
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expectSuccess(o, e, t)
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}
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func TestExactArgs_WithValid_WithInvalidArgs(t *testing.T) {
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_, e := executeCommand(newCommand(ExactArgs(3), true), "three", "a", "two")
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expectError(e, t, "valid")
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}
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func TestExactArgs_WithInvalidCount(t *testing.T) {
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_, e := executeCommand(newCommand(ExactArgs(2), false), "a", "b", "c")
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expectError(e, t, "exact")
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}
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func TestExactArgs_WithValid_WithInvalidCount(t *testing.T) {
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_, e := executeCommand(newCommand(ExactArgs(2), true), "three", "one", "two")
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expectError(e, t, "exact")
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}
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func TestExactArgs_WithValid_WithInvalidCountWithInvalidArgs(t *testing.T) {
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_, e := executeCommand(newCommand(ExactArgs(2), true), "three", "a", "two")
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expectError(e, t, "valid")
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}
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// RangeArgs
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func TestRangeArgs(t *testing.T) {
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o, e := executeCommand(newCommand(RangeArgs(2, 4), false), "a", "b", "c")
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expectSuccess(o, e, t)
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}
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func TestRangeArgs_WithValid(t *testing.T) {
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o, e := executeCommand(newCommand(RangeArgs(2, 4), true), "three", "one", "two")
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expectSuccess(o, e, t)
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}
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func TestRangeArgs_WithValid_WithInvalidArgs(t *testing.T) {
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_, e := executeCommand(newCommand(RangeArgs(2, 4), true), "three", "a", "two")
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expectError(e, t, "valid")
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}
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func TestRangeArgs_WithInvalidCount(t *testing.T) {
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_, e := executeCommand(newCommand(RangeArgs(2, 4), false), "a")
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expectError(e, t, "range")
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}
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func TestRangeArgs_WithValid_WithInvalidCount(t *testing.T) {
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_, e := executeCommand(newCommand(RangeArgs(2, 4), true), "two")
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expectError(e, t, "range")
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}
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func TestRangeArgs_WithValid_WithInvalidCountWithInvalidArgs(t *testing.T) {
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_, e := executeCommand(newCommand(RangeArgs(2, 4), true), "a")
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expectError(e, t, "valid")
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func TestArgs_DEPRECATED(t *testing.T) {
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testArgs(t, map[string]argsTestcase{
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"OnlyValid | Valid | Valid": {"", OnlyValidArgs, true, []string{"one", "two"}},
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"OnlyValid | Valid | Invalid": {"invalid", OnlyValidArgs, true, []string{"a"}},
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"ExactValid | Valid | Valid": {"", ExactValidArgs(3), true, []string{"two", "three", "one"}},
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"ExactValid | Valid | InvalidCount": {"notexact", ExactValidArgs(2), true, []string{"two", "three", "one"}},
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"ExactValid | Valid | Invalid": {"invalid", ExactValidArgs(2), true, []string{"two", "a"}},
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})
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}
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// Takes(No)Args
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@ -311,33 +233,3 @@ func TestMatchAll(t *testing.T) {
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})
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}
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}
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// DEPRECATED
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func TestDEPRECATED_OnlyValidArgs(t *testing.T) {
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o, e := executeCommand(newCommand(OnlyValidArgs, true), "one", "two")
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expectSuccess(o, e, t)
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}
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func TestDEPRECATED_OnlyValidArgs_WithInvalidArgs(t *testing.T) {
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_, e := executeCommand(newCommand(OnlyValidArgs, true), "a")
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expectError(e, t, "valid")
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}
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func TestDEPRECATED_ExactValidArgs(t *testing.T) {
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// Note that the order is not required to be the same:
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// Definition: "one", "two", "three"
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// Execution: "two", "three", "one"
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o, e := executeCommand(newCommand(ExactValidArgs(3), true), "two", "three", "one")
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expectSuccess(o, e, t)
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}
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func TestDEPRECATED_ExactValidArgs_WithInvalidCount(t *testing.T) {
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_, e := executeCommand(newCommand(ExactValidArgs(2), true), "two", "three", "one")
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expectError(e, t, "exact")
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}
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func TestDEPRECATED_ExactValidArgs_WithInvalidArgs(t *testing.T) {
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_, e := executeCommand(newCommand(ExactValidArgs(2), true), "two", "a")
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expectError(e, t, "valid")
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}
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