Import tests from rbenv with sed -e s/rbenv/pyenv/g

test/help.bats

@@ -0,0 +1,115 @@
+#!/usr/bin/env bats
+
+load test_helper
+
+@test "without args shows summary of common commands" {
+  run pyenv-help
+  assert_success
+  assert_line "Usage: pyenv <command> [<args>]"
+  assert_line "Some useful pyenv commands are:"
+}
+
+@test "invalid command" {
+  run pyenv-help hello
+  assert_failure "pyenv: no such command \`hello'"
+}
+
+@test "shows help for a specific command" {
+  mkdir -p "${PYENV_TEST_DIR}/bin"
+  cat > "${PYENV_TEST_DIR}/bin/pyenv-hello" <<SH
+#!shebang
+# Usage: pyenv hello <world>
+# Summary: Says "hello" to you, from pyenv
+# This command is useful for saying hello.
+echo hello
+SH
+
+  run pyenv-help hello
+  assert_success
+  assert_output <<SH
+Usage: pyenv hello <world>
+
+This command is useful for saying hello.
+SH
+}
+
+@test "replaces missing extended help with summary text" {
+  mkdir -p "${PYENV_TEST_DIR}/bin"
+  cat > "${PYENV_TEST_DIR}/bin/pyenv-hello" <<SH
+#!shebang
+# Usage: pyenv hello <world>
+# Summary: Says "hello" to you, from pyenv
+echo hello
+SH
+
+  run pyenv-help hello
+  assert_success
+  assert_output <<SH
+Usage: pyenv hello <world>
+
+Says "hello" to you, from pyenv
+SH
+}
+
+@test "extracts only usage" {
+  mkdir -p "${PYENV_TEST_DIR}/bin"
+  cat > "${PYENV_TEST_DIR}/bin/pyenv-hello" <<SH
+#!shebang
+# Usage: pyenv hello <world>
+# Summary: Says "hello" to you, from pyenv
+# This extended help won't be shown.
+echo hello
+SH
+
+  run pyenv-help --usage hello
+  assert_success "Usage: pyenv hello <world>"
+}
+
+@test "multiline usage section" {
+  mkdir -p "${PYENV_TEST_DIR}/bin"
+  cat > "${PYENV_TEST_DIR}/bin/pyenv-hello" <<SH
+#!shebang
+# Usage: pyenv hello <world>
+#        pyenv hi [everybody]
+#        pyenv hola --translate
+# Summary: Says "hello" to you, from pyenv
+# Help text.
+echo hello
+SH
+
+  run pyenv-help hello
+  assert_success
+  assert_output <<SH
+Usage: pyenv hello <world>
+       pyenv hi [everybody]
+       pyenv hola --translate
+
+Help text.
+SH
+}
+
+@test "multiline extended help section" {
+  mkdir -p "${PYENV_TEST_DIR}/bin"
+  cat > "${PYENV_TEST_DIR}/bin/pyenv-hello" <<SH
+#!shebang
+# Usage: pyenv hello <world>
+# Summary: Says "hello" to you, from pyenv
+# This is extended help text.
+# It can contain multiple lines.
+#
+# And paragraphs.
+
+echo hello
+SH
+
+  run pyenv-help hello
+  assert_success
+  assert_output <<SH
+Usage: pyenv hello <world>
+
+This is extended help text.
+It can contain multiple lines.
+
+And paragraphs.
+SH
+}