examples: add shunit2 tests for json_script

[project/libubox.git] / examples / json_script-tests.sh

diff --git a/examples/json_script-tests.sh b/examples/json_script-tests.sh
new file mode 100644 (file)
index 0000000..7120a7e
--- /dev/null
+++ b/examples/json_script-tests.sh
@@ -0,0 +1,287 @@
+JSON_SCRIPT=tests.json
+JSON_SCRIPT_BIN=./json_script-example
+FILE_STDOUT=tests.stdout
+FILE_STDERR=tests.stderr
+FILE_EXPECTED=tests.expected
+
+call_json_script() {
+       #export LD_PRELOAD=../libjson_script.so
+       $JSON_SCRIPT_BIN "$@" "$JSON_SCRIPT" >"$FILE_STDOUT" 2>"$FILE_STDERR"
+}
+
+assertStdioEquals() {
+       local expected="$1"
+       local file_stdio="$2"
+
+       echo "$expected" >"$FILE_EXPECTED"
+       if [ -z "$expected" ]; then
+               # we are expecting empty output, but we deliberately added a newline
+               # with echo above, so adding another echo to compensate for that
+               echo >>"$file_stdio"
+       fi
+       diff -up "$FILE_EXPECTED" "$file_stdio" >/dev/null 2>&1 || {
+               cat >&2 <<EOF
+|--- expecting
+$expected<
+|--- actual
+$(cat $file_stdio)<
+|--- END
+EOF
+               exit 1
+       }
+}
+
+assertStdoutEquals() {
+       assertStdioEquals "$1" "$FILE_STDOUT"
+}
+
+assertStderrEquals() {
+       assertStdioEquals "$1" "$FILE_STDERR"
+}
+
+test_bad_json() {
+       cat >"$JSON_SCRIPT" <<-EOF
+       [
+               [ ]
+               [ ]
+       ]
+       EOF
+       call_json_script
+       assertStderrEquals "load JSON data from $JSON_SCRIPT failed."
+}
+
+test_expr_eq() {
+       cat >"$JSON_SCRIPT" <<-EOF
+       [
+               [ "if",
+                       [ "eq", "VAR", "foo" ],
+                       [ "echo", "bar" ],
+                       [ "echo", "baz" ]
+               ]
+       ]
+       EOF
+       call_json_script "VAR=foo"
+       assertStdoutEquals "echo bar"
+       call_json_script "VAR=xxx"
+       assertStdoutEquals "echo baz"
+}
+
+test_expr_has() {
+       cat >"$JSON_SCRIPT" <<-EOF
+       [
+               [ "if",
+                       [ "has", "VAR" ],
+                       [ "echo", "bar" ],
+                       [ "echo", "baz" ]
+               ]
+       ]
+       EOF
+       call_json_script "VAR=foo"
+       assertStdoutEquals "echo bar"
+       call_json_script
+       assertStdoutEquals "echo baz"
+}
+
+test_expr_regex_single() {
+       cat >"$JSON_SCRIPT" <<-EOF
+       [
+               [ "if",
+                       [ "regex", "VAR", ".ell." ],
+                       [ "echo", "bar" ],
+                       [ "echo", "baz" ]
+               ]
+       ]
+       EOF
+       call_json_script "VAR=hello"
+       assertStdoutEquals "echo bar"
+       call_json_script "VAR=.ell."
+       assertStdoutEquals "echo bar"
+       call_json_script
+       assertStdoutEquals "echo baz"
+       call_json_script "VAR="
+       assertStdoutEquals "echo baz"
+       call_json_script "VAR=hell"
+       assertStdoutEquals "echo baz"
+}
+
+test_expr_regex_multi() {
+       cat >"$JSON_SCRIPT" <<-EOF
+       [
+               [ "if",
+                       [ "regex", "VAR", [ ".ell.", "w.rld" ] ],
+                       [ "echo", "bar" ],
+                       [ "echo", "baz" ]
+               ]
+       ]
+       EOF
+       call_json_script "VAR=hello"
+       assertStdoutEquals "echo bar"
+       call_json_script "VAR=world"
+       assertStdoutEquals "echo bar"
+       call_json_script "VAR=.ell."
+       assertStdoutEquals "echo bar"
+       call_json_script "VAR=w.rld"
+       assertStdoutEquals "echo bar"
+       call_json_script
+       assertStdoutEquals "echo baz"
+       call_json_script "VAR="
+       assertStdoutEquals "echo baz"
+       call_json_script "VAR=hell"
+       assertStdoutEquals "echo baz"
+}
+
+test_expr_not() {
+       cat >"$JSON_SCRIPT" <<-EOF
+       [
+               [ "if",
+                       [ "not", [ "has", "VAR" ] ],
+                       [ "echo", "bar" ],
+                       [ "echo", "baz" ]
+               ]
+       ]
+       EOF
+       call_json_script "VAR=foo"
+       assertStdoutEquals "echo baz"
+       call_json_script
+       assertStdoutEquals "echo bar"
+}
+
+test_expr_and() {
+       cat >"$JSON_SCRIPT" <<-EOF
+       [
+               [ "if",
+                       [ "and", [ "eq", "EQVAR", "eqval" ],
+                                        [ "regex", "REGEXVAR", "regex..." ]
+                       ],
+                       [ "echo", "bar" ],
+                       [ "echo", "baz" ]
+               ]
+       ]
+       EOF
+       call_json_script "EQVAR=eqval" "REGEXVAR=regexval"
+       assertStdoutEquals "echo bar"
+       call_json_script "EQVAR=foo"
+       assertStdoutEquals "echo baz"
+       call_json_script "REGEXVAR=regex***"
+       assertStdoutEquals "echo baz"
+       call_json_script
+       assertStdoutEquals "echo baz"
+}
+
+test_expr_or() {
+       cat >"$JSON_SCRIPT" <<-EOF
+       [
+               [ "if",
+                       [ "or", [ "not", [ "eq", "EQVAR", "eqval" ] ],
+                                       [ "regex", "REGEXVAR", [ "regexva.[0-9]", "regexva.[a-z]" ] ]
+                       ],
+                       [ "echo", "bar" ],
+                       [ "echo", "baz" ]
+               ]
+       ]
+       EOF
+       call_json_script "EQVAR=eqval" "REGEXVAR=regexval1"
+       assertStdoutEquals "echo bar"
+       call_json_script "EQVAR=neq" "REGEXVAR=sxc"
+       assertStdoutEquals "echo bar"
+       call_json_script "REGEXVAR=sxc"
+       assertStdoutEquals "echo bar"
+       call_json_script "EQVAR=foo"
+       assertStdoutEquals "echo bar"
+       call_json_script
+       assertStdoutEquals "echo bar"
+       call_json_script "EQVAR=eqval" "REGEXVAR=regexval"
+       assertStdoutEquals "echo baz"
+}
+
+test_expr_isdir() {
+       cat >"$JSON_SCRIPT" <<-EOF
+       [
+               [ "if",
+                       [ "isdir", "%VAR%" ],
+                       [ "echo", "bar" ],
+                       [ "echo", "baz" ]
+               ]
+       ]
+       EOF
+       call_json_script "VAR=/"
+       assertStdoutEquals "echo bar"
+       call_json_script "VAR=$(mktemp -u)"
+       assertStdoutEquals "echo baz"
+       call_json_script
+       assertStdoutEquals "echo baz"
+}
+
+test_cmd_case() {
+       cat >"$JSON_SCRIPT" <<-EOF
+       [
+               [ "case", "CASEVAR", {
+                       "0": [ "echo", "foo" ],
+                       "1": [
+                               [ "echo", "bar" ],
+                               [ "echo", "baz" ]
+                       ],
+                       "%VAR%": [ "echo", "quz" ]
+               } ]
+       ]
+       EOF
+       call_json_script "CASEVAR=0"
+       assertStdoutEquals "echo foo"
+       call_json_script "CASEVAR=1"
+       assertStdoutEquals "echo bar
+echo baz"
+       call_json_script "CASEVAR=%VAR%"
+       assertStdoutEquals "echo quz"
+       call_json_script "CASEVAR="
+       assertStdoutEquals ""
+       call_json_script
+       assertStdoutEquals ""
+       call_json_script "CASEVAR=xxx" "VAR=xxx"
+       assertStdoutEquals ""
+}
+
+test_cmd_if() {
+       cat >"$JSON_SCRIPT" <<-EOF
+       [
+               [ "if",
+                       [ "eq", "VAR", "foo" ],
+                       [ "echo", "bar" ],
+                       [ "echo", "baz" ]
+               ]
+       ]
+       EOF
+       call_json_script "VAR=foo"
+       assertStdoutEquals "echo bar"
+       call_json_script "VAR=xxx"
+       assertStdoutEquals "echo baz"
+}
+
+test_cmd_cb() {
+       cat >"$JSON_SCRIPT" <<-EOF
+       [
+               [ "exec", "%VAR%", "/%VAS%%%/" ]
+       ]
+       EOF
+       call_json_script
+       assertStdoutEquals "exec  /%/"
+       call_json_script "VAR="
+       assertStdoutEquals "exec  /%/"
+       call_json_script "VAR=qux" "VAS=3"
+       assertStdoutEquals "exec qux /3%/"
+}
+
+test_cmd_return() {
+       cat >"$JSON_SCRIPT" <<-EOF
+       [
+               [ "heh", "%HEHVAR%" ],
+               [ "%VAR%", "%VAR%" ],
+               [ "return" ],
+               [ "exec_non_reachable", "Arghhh" ]
+       ]
+       EOF
+       call_json_script "HEHVAR=dude" "VAR=ow"
+       assertStdoutEquals "heh dude
+%VAR% ow"
+}
+
+. ./shunit2