253 lines
6.9 KiB
Go
253 lines
6.9 KiB
Go
// Copyright (c) 2017 Arista Networks, Inc.
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// Use of this source code is governed by the Apache License 2.0
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// that can be found in the COPYING file.
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package gnmi
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import (
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"fmt"
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"testing"
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"github.com/aristanetworks/goarista/test"
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pb "github.com/openconfig/gnmi/proto/gnmi"
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)
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func p(s ...string) []string {
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return s
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}
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func TestSplitPath(t *testing.T) {
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for i, tc := range []struct {
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in string
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exp []string
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}{{
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in: "/foo/bar",
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exp: p("foo", "bar"),
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}, {
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in: "/foo/bar/",
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exp: p("foo", "bar"),
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}, {
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in: "//foo//bar//",
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exp: p("", "foo", "", "bar", ""),
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}, {
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in: "/foo[name=///]/bar",
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exp: p("foo[name=///]", "bar"),
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}, {
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in: `/foo[name=[\\\]/]/bar`,
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exp: p(`foo[name=[\\\]/]`, "bar"),
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}, {
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in: `/foo[name=[\\]/bar`,
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exp: p(`foo[name=[\\]`, "bar"),
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}, {
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in: "/foo[a=1][b=2]/bar",
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exp: p("foo[a=1][b=2]", "bar"),
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}, {
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in: "/foo[a=1\\]2][b=2]/bar",
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exp: p("foo[a=1\\]2][b=2]", "bar"),
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}, {
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in: "/foo[a=1][b=2]/bar\\baz",
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exp: p("foo[a=1][b=2]", "bar\\baz"),
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}} {
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got := SplitPath(tc.in)
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if !test.DeepEqual(tc.exp, got) {
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t.Errorf("[%d] unexpect split for %q. Expected: %v, Got: %v",
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i, tc.in, tc.exp, got)
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}
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}
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}
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func TestStrPath(t *testing.T) {
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for i, tc := range []struct {
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path string
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}{{
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path: "/",
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}, {
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path: "/foo/bar",
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}, {
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path: "/foo[name=a]/bar",
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}, {
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path: "/foo[a=1][b=2]/bar",
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}, {
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path: "/foo[a=1\\]2][b=2]/bar",
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}, {
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path: "/foo[a=1][b=2]/bar\\/baz",
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}} {
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sElms := SplitPath(tc.path)
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pbPath, err := ParseGNMIElements(sElms)
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if err != nil {
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t.Errorf("failed to parse %s: %s", sElms, err)
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}
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s := StrPath(pbPath)
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if !test.DeepEqual(tc.path, s) {
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t.Errorf("[%d] want %s, got %s", i, tc.path, s)
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}
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}
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}
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func TestStrPathBackwardsCompat(t *testing.T) {
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for i, tc := range []struct {
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path *pb.Path
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str string
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}{{
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path: &pb.Path{
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Element: p("foo[a=1][b=2]", "bar"),
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},
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str: "/foo[a=1][b=2]/bar",
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}} {
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got := StrPath(tc.path)
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if got != tc.str {
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t.Errorf("[%d] want %q, got %q", i, tc.str, got)
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}
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}
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}
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func TestParseElement(t *testing.T) {
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// test cases
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cases := []struct {
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// name is the name of the test useful if you want to run a single test
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// from the command line -run TestParseElement/<name>
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name string
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// in is the path element to be parsed
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in string
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// fieldName is field name (YANG node name) expected to be parsed from the path element.
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// Normally this is simply the path element, or if the path element contains keys this is
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// the text before the first [
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fieldName string
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// keys is a map of the expected key value pairs from within the []s in the
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// `path element.
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//
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// For example prefix[ip-prefix=10.0.0.0/24][masklength-range=26..28]
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// fieldName would be "prefix"
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// keys would be {"ip-prefix": "10.0.0.0/24", "masklength-range": "26..28"}
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keys map[string]string
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// expectedError is the exact error we expect.
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expectedError error
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}{{
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name: "no_elms",
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in: "hello",
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fieldName: "hello",
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}, {
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name: "single_open",
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in: "[",
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expectedError: fmt.Errorf("failed to find element name in %q", "["),
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}, {
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name: "no_equal_no_close",
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in: "hello[there",
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expectedError: fmt.Errorf("failed to find '=' in %q", "[there"),
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}, {
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name: "no_equals",
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in: "hello[there]",
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expectedError: fmt.Errorf("failed to find '=' in %q", "[there]"),
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}, {
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name: "no_left_side",
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in: "hello[=there]",
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expectedError: fmt.Errorf("failed to find key name in %q", "[=there]"),
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}, {
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name: "no_right_side",
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in: "hello[there=]",
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expectedError: fmt.Errorf("failed to find key value in %q", "[there=]"),
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}, {
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name: "hanging_escape",
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in: "hello[there\\",
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expectedError: fmt.Errorf("failed to find '=' in %q", "[there\\"),
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}, {
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name: "single_name_value",
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in: "hello[there=where]",
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fieldName: "hello",
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keys: map[string]string{"there": "where"},
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}, {
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name: "single_value_with=",
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in: "hello[there=whe=r=e]",
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fieldName: "hello",
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keys: map[string]string{"there": "whe=r=e"},
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}, {
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name: "single_value_with=_and_escaped_]",
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in: `hello[there=whe=\]r=e]`,
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fieldName: "hello",
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keys: map[string]string{"there": `whe=]r=e`},
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}, {
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name: "single_value_with[",
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in: "hello[there=w[[here]",
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fieldName: "hello",
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keys: map[string]string{"there": "w[[here"},
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}, {
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name: "value_single_open",
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in: "hello[first=value][",
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expectedError: fmt.Errorf("failed to find '=' in %q", "["),
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}, {
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name: "value_no_close",
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in: "hello[there=where][somename",
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expectedError: fmt.Errorf("failed to find '=' in %q", "[somename"),
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}, {
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name: "value_no_equals",
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in: "hello[there=where][somename]",
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expectedError: fmt.Errorf("failed to find '=' in %q", "[somename]"),
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}, {
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name: "no_left_side",
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in: "hello[there=where][=somevalue]",
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expectedError: fmt.Errorf("failed to find key name in %q", "[=somevalue]"),
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}, {
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name: "no_right_side",
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in: "hello[there=where][somename=]",
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expectedError: fmt.Errorf("failed to find key value in %q", "[somename=]"),
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}, {
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name: "two_name_values",
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in: "hello[there=where][somename=somevalue]",
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fieldName: "hello",
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keys: map[string]string{"there": "where", "somename": "somevalue"},
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}, {
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name: "three_name_values",
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in: "hello[there=where][somename=somevalue][anothername=value]",
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fieldName: "hello",
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keys: map[string]string{"there": "where", "somename": "somevalue",
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"anothername": "value"},
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}, {
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name: "aserisk_value",
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in: "hello[there=*][somename=somevalue][anothername=value]",
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fieldName: "hello",
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keys: map[string]string{"there": "*", "somename": "somevalue",
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"anothername": "value"},
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}}
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for _, tc := range cases {
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t.Run(tc.name, func(t *testing.T) {
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fieldName, keys, err := parseElement(tc.in)
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if !test.DeepEqual(tc.expectedError, err) {
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t.Fatalf("[%s] expected err %#v, got %#v", tc.name, tc.expectedError, err)
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}
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if !test.DeepEqual(tc.keys, keys) {
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t.Fatalf("[%s] expected output %#v, got %#v", tc.name, tc.keys, keys)
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}
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if tc.fieldName != fieldName {
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t.Fatalf("[%s] expected field name %s, got %s", tc.name, tc.fieldName, fieldName)
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}
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})
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}
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}
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func BenchmarkPathElementToSigleElementName(b *testing.B) {
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for i := 0; i < b.N; i++ {
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_, _, _ = parseElement("hello")
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}
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}
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func BenchmarkPathElementTwoKeys(b *testing.B) {
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for i := 0; i < b.N; i++ {
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_, _, _ = parseElement("hello[hello=world][bye=moon]")
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}
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}
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func BenchmarkPathElementBadKeys(b *testing.B) {
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for i := 0; i < b.N; i++ {
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_, _, _ = parseElement("hello[hello=world][byemoon]")
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}
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}
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func BenchmarkPathElementMaxKeys(b *testing.B) {
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for i := 0; i < b.N; i++ {
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_, _, _ = parseElement("hello[name=firstName][name=secondName][name=thirdName]" +
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"[name=fourthName][name=fifthName][name=sixthName]")
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}
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}
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