Add validation args test whith PostTerminatorArgs

args_test.go

@@ -89,6 +89,22 @@ func TestNoArgs(t *testing.T) {
 	output, err := executeCommand(c)
 	expectSuccess(output, err, t)
 }
+func TestNoArgs_WithPostTerminatorArgs(t *testing.T) {
+	c := getCommand(NoArgs, false)
+	_, err := executeCommand(c, "--", "post", "args")
+	noArgsWithArgs(err, t, "post")
+	// got := c.PostTerminatorArgs()
+	// expected := []string{"post", "args"}
+	// if strings.Join(got, ",") != strings.Join(expected, ",") {
+	// 	t.Fatalf("Expected %q, got %q", expected, got)
+	// }
+}
+func TestNoArgs_WithIgnoredPostTerminatorArgs(t *testing.T) {
+	c := getCommand(NoArgs, false)
+	c.IgnorePostTerminatorArgs = true
+	output, err := executeCommand(c, "--", "post", "args")
+	expectSuccess(output, err, t)
+}
 
 func TestNoArgs_WithArgs(t *testing.T) {
 	c := getCommand(NoArgs, false)
@@ -122,6 +138,19 @@ func TestOnlyValidArgs(t *testing.T) {
 	expectSuccess(output, err, t)
 }
 
+func TestOnlyValidArgs_WithPostTerminatorArgs(t *testing.T) {
+	c := getCommand(OnlyValidArgs, true)
+	_, err := executeCommand(c, "one", "two", "--", "post", "args")
+	expectError("invalid argument \"post\" for \"c\"", err, t)
+}
+
+func TestOnlyValidArgs_WithIgnoredPostTerminatorArgs(t *testing.T) {
+	c := getCommand(OnlyValidArgs, true)
+	c.IgnorePostTerminatorArgs = true
+	output, err := executeCommand(c, "one", "two", "--", "post", "args")
+	expectSuccess(output, err, t)
+}
+
 func TestOnlyValidArgs_WithInvalidArgs(t *testing.T) {
 	c := getCommand(OnlyValidArgs, true)
 	_, err := executeCommand(c, "a")
@@ -185,10 +214,21 @@ func TestMinimumNArgs_WithLessArgs(t *testing.T) {
 	_, err := executeCommand(c, "a")
 	minimumNArgsWithLessArgs(err, t)
 }
+func TestMinimumNArgs_WithLessArgs_WithPostTerminatorArgs(t *testing.T) {
+	c := getCommand(MinimumNArgs(2), false)
+	output, err := executeCommand(c, "a", "--", "post", "args")
+	expectSuccess(output, err, t)
+}
+func TestMinimumNArgs_WithLessArgs_WithIgnoredPostTerminatorArgs(t *testing.T) {
+	c := getCommand(MinimumNArgs(2), false)
+	c.IgnorePostTerminatorArgs = true
+	_, err := executeCommand(c, "a", "--", "post", "args")
+	minimumNArgsWithLessArgs(err, t)
+}
 
 func TestMinimumNArgs_WithLessArgs_WithValid(t *testing.T) {
 	c := getCommand(MinimumNArgs(2), true)
-	_, err := executeCommand(c, "one")
+	_, err := executeCommand(c, "one") // @todo check
 	minimumNArgsWithLessArgs(err, t)
 }
 
@@ -212,12 +252,37 @@ func TestMaximumNArgs(t *testing.T) {
 	expectSuccess(output, err, t)
 }
 
+func TestMaximumNArgs_WithPostTerminatorArgs(t *testing.T) {
+	c := getCommand(MaximumNArgs(3), false)
+	_, err := executeCommand(c, "a", "b", "--", "post", "args")
+	expectError("accepts at most 3 arg(s), received 4", err, t)
+}
+
+func TestMaximumNArgs_WithIgnoredPostTerminatorArgs(t *testing.T) {
+	c := getCommand(MaximumNArgs(3), false)
+	c.IgnorePostTerminatorArgs = true
+	output, err := executeCommand(c, "a", "b", "--", "post", "args")
+	expectSuccess(output, err, t)
+}
+
 func TestMaximumNArgs_WithValid(t *testing.T) {
 	c := getCommand(MaximumNArgs(2), true)
 	output, err := executeCommand(c, "one", "three")
 	expectSuccess(output, err, t)
 }
 
+func TestMaximumNArgs_WithValid_WithPostTerminatorArgs(t *testing.T) {
+	c := getCommand(MaximumNArgs(2), true)
+	_, err := executeCommand(c, "one", "three", "--", "post", "args")
+	expectError("accepts at most 2 arg(s), received 4", err, t)
+}
+
+func TestMaximumNArgs_WithValid_WithIgnoredPostTermintatorArgs(t *testing.T) {
+	c := getCommand(MaximumNArgs(2), true)
+	c.IgnorePostTerminatorArgs = true
+	output, err := executeCommand(c, "one", "three", "--", "post", "args")
+	expectSuccess(output, err, t)
+}
 func TestMaximumNArgs_WithValid_WithInvalidArgs(t *testing.T) {
 	c := getCommand(MaximumNArgs(2), true)
 	output, err := executeCommand(c, "a", "b")
@@ -236,6 +301,19 @@ func TestMaximumNArgs_WithMoreArgs(t *testing.T) {
 	maximumNArgsWithMoreArgs(err, t)
 }
 
+func TestMaximumNArgs_WithMoreArgs_WithPostTerminatorArgs(t *testing.T) {
+	c := getCommand(MaximumNArgs(2), false)
+	_, err := executeCommand(c, "a", "b", "c", "--", "post", "args")
+	expectError("accepts at most 2 arg(s), received 5", err, t)
+}
+
+func TestMaximumNArgs_WithMoreArgs_WithIgnoredPostTerminatorArgs(t *testing.T) {
+	c := getCommand(MaximumNArgs(2), false)
+	c.IgnorePostTerminatorArgs = true
+	_, err := executeCommand(c, "a", "b", "c", "--", "post", "args")
+	maximumNArgsWithMoreArgs(err, t)
+}
+
 func TestMaximumNArgs_WithMoreArgs_WithValid(t *testing.T) {
 	c := getCommand(MaximumNArgs(2), true)
 	_, err := executeCommand(c, "one", "three", "two")
@@ -262,6 +340,19 @@ func TestExactArgs(t *testing.T) {
 	expectSuccess(output, err, t)
 }
 
+func TestExactArgs_WithPostTerminatorArgs(t *testing.T) {
+	c := getCommand(ExactArgs(3), false)
+	_, err := executeCommand(c, "a", "b", "c", "--", "post", "args")
+	expectError("accepts 3 arg(s), received 5", err, t)
+}
+
+func TestExactArgs_WithIgnoredPostTerminatorArgs(t *testing.T) {
+	c := getCommand(ExactArgs(3), false)
+	c.IgnorePostTerminatorArgs = true
+	output, err := executeCommand(c, "a", "b", "c", "--", "post", "args")
+	expectSuccess(output, err, t)
+}
+
 func TestExactArgs_WithValid(t *testing.T) {
 	c := getCommand(ExactArgs(3), true)
 	output, err := executeCommand(c, "three", "one", "two")
@@ -312,6 +403,19 @@ func TestRangeArgs(t *testing.T) {
 	expectSuccess(output, err, t)
 }
 
+func TestRangeArgs_WithPostTerminatorArgs(t *testing.T) {
+	c := getCommand(RangeArgs(2, 4), false)
+	_, err := executeCommand(c, "a", "b", "c", "--", "post", "args")
+	expectError("accepts between 2 and 4 arg(s), received 5", err, t)
+}
+
+func TestRangeArgs_WithIgnoredPostTerminatorArgs(t *testing.T) {
+	c := getCommand(RangeArgs(2, 4), false)
+	c.IgnorePostTerminatorArgs = true
+	output, err := executeCommand(c, "a", "b", "c", "--", "post", "args")
+	expectSuccess(output, err, t)
+}
+
 func TestRangeArgs_WithValid(t *testing.T) {
 	c := getCommand(RangeArgs(2, 4), true)
 	output, err := executeCommand(c, "three", "one", "two")
@@ -429,26 +533,41 @@ func TestMatchAll(t *testing.T) {
 
 	testCases := map[string]struct {
 		args           []string
+		ignorePostArgs bool
 		fail           bool
 	}{
 		"happy path": {
 			[]string{"aa", "bb", "cc"},
 			false,
+			false,
 		},
 		"incorrect number of args": {
 			[]string{"aa", "bb", "cc", "dd"},
+			false,
 			true,
 		},
 		"incorrect number of bytes in one arg": {
 			[]string{"aa", "bb", "abc"},
+			false,
 			true,
 		},
+		"happy path with post args makes unhappy": {
+			[]string{"aa", "bb", "cc", "--", "post", "args"},
+			false,
+			true,
+		},
+		"happy path with ignored post args stay happy": {
+			[]string{"aa", "bb", "cc", "--", "post", "args"},
+			true,
+			false,
+		},
 	}
 
 	rootCmd := &Command{Use: "root", Args: pargs, Run: emptyRun}
 
 	for name, tc := range testCases {
 		t.Run(name, func(t *testing.T) {
+			rootCmd.IgnorePostTerminatorArgs = tc.ignorePostArgs
 			_, err := executeCommand(rootCmd, tc.args...)
 			if err != nil && !tc.fail {
 				t.Errorf("unexpected: %v\n", err)