cli-ui,web: real flag parsing for lectio-ui/lectio-web (accept useful flags, reject unknown, -h/-v)

1 files changed, 87 insertions, 0 deletions

diff --git a/cmd/lectio-web/main_test.go b/cmd/lectio-web/main_test.go
new file mode 100644
index 0000000..766e0d9
--- /dev/null
+++ b/cmd/lectio-web/main_test.go
@@ -0,0 +1,87 @@
+package main
+
+import (
+	"bytes"
+	"strings"
+	"testing"
+)
+
+func TestHelpFlag(t *testing.T) {
+	var out, errb bytes.Buffer
+	if code := run([]string{"-h"}, &out, &errb); code != 0 {
+		t.Errorf("-h code=%d (stderr=%q)", code, errb.String())
+	}
+	if !strings.Contains(out.String(), "lectio-web") {
+		t.Errorf("-h output missing lectio-web: %q", out.String())
+	}
+}
+
+func TestHelpLongFlag(t *testing.T) {
+	var out, errb bytes.Buffer
+	if code := run([]string{"--help"}, &out, &errb); code != 0 {
+		t.Errorf("--help code=%d (stderr=%q)", code, errb.String())
+	}
+	if !strings.Contains(out.String(), "lectio-web") {
+		t.Errorf("--help output missing lectio-web: %q", out.String())
+	}
+}
+
+func TestVersionFlag(t *testing.T) {
+	var out, errb bytes.Buffer
+	if code := run([]string{"-v"}, &out, &errb); code != 0 {
+		t.Errorf("-v code=%d (stderr=%q)", code, errb.String())
+	}
+	if !strings.Contains(out.String(), "lectio-web") {
+		t.Errorf("-v output missing lectio-web: %q", out.String())
+	}
+}
+
+func TestVersionLongFlag(t *testing.T) {
+	var out, errb bytes.Buffer
+	if code := run([]string{"--version"}, &out, &errb); code != 0 {
+		t.Errorf("--version code=%d (stderr=%q)", code, errb.String())
+	}
+	if !strings.Contains(out.String(), "lectio-web") {
+		t.Errorf("--version output missing lectio-web: %q", out.String())
+	}
+}
+
+func TestUnknownFlag(t *testing.T) {
+	t.Setenv("XDG_CONFIG_HOME", t.TempDir())
+	var out, errb bytes.Buffer
+	if code := run([]string{"-x"}, &out, &errb); code != 2 {
+		t.Errorf("-x code=%d want 2 (stderr=%q)", code, errb.String())
+	}
+}
+
+func TestUnknownLongFlag(t *testing.T) {
+	t.Setenv("XDG_CONFIG_HOME", t.TempDir())
+	var out, errb bytes.Buffer
+	if code := run([]string{"--bogus"}, &out, &errb); code != 2 {
+		t.Errorf("--bogus code=%d want 2 (stderr=%q)", code, errb.String())
+	}
+}
+
+func TestUnexpectedPositional(t *testing.T) {
+	t.Setenv("XDG_CONFIG_HOME", t.TempDir())
+	var out, errb bytes.Buffer
+	if code := run([]string{"bogus"}, &out, &errb); code != 2 {
+		t.Errorf("unexpected positional code=%d want 2 (stderr=%q)", code, errb.String())
+	}
+}
+
+func TestLectionaryBogus(t *testing.T) {
+	t.Setenv("XDG_CONFIG_HOME", t.TempDir())
+	var out, errb bytes.Buffer
+	if code := run([]string{"-l", "bogus"}, &out, &errb); code != 2 {
+		t.Errorf("bogus lectionary code=%d want 2 (stderr=%q)", code, errb.String())
+	}
+}
+
+func TestLangBogus(t *testing.T) {
+	t.Setenv("XDG_CONFIG_HOME", t.TempDir())
+	var out, errb bytes.Buffer
+	if code := run([]string{"-g", "xx"}, &out, &errb); code != 2 {
+		t.Errorf("bogus lang code=%d want 2 (stderr=%q)", code, errb.String())
+	}
+}