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https://github.com/VictoriaMetrics/VictoriaMetrics.git
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7c86dcc4fa
* allowed using dashes and dots in environment variables names for templating config files with envtemplate (#3999) Signed-off-by: Alexander Marshalov <_@marshalov.org> * Apply suggestions from code review --------- Signed-off-by: Alexander Marshalov <_@marshalov.org> Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
97 lines
2.5 KiB
Go
97 lines
2.5 KiB
Go
package envtemplate
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import (
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"reflect"
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"sort"
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"testing"
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)
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func TestExpandTemplates(t *testing.T) {
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f := func(envs, resultExpected []string) {
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t.Helper()
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m := parseEnvVars(envs)
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mExpanded := expandTemplates(m)
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result := make([]string, 0, len(mExpanded))
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for k, v := range mExpanded {
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result = append(result, k+"="+v)
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}
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sort.Strings(result)
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if !reflect.DeepEqual(result, resultExpected) {
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t.Fatalf("unexpected result;\ngot\n%q\nwant\n%q", result, resultExpected)
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}
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}
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f(nil, []string{})
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f([]string{"foo=%{bar}", "bar=x"}, []string{"bar=x", "foo=x"})
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f([]string{"a=x%{b}", "b=y%{c}z%{d}", "c=123", "d=qwe"}, []string{"a=xy123zqwe", "b=y123zqwe", "c=123", "d=qwe"})
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f([]string{"a=x%{b}y", "b=z%{a}q", "c"}, []string{"a=xzxzxzxz%{a}qyqyqyqy", "b=zxzxzxzx%{b}yqyqyqyq", "c="})
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f([]string{"a=%{x.y}", "x.y=test"}, []string{"a=test", "x.y=test"})
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f([]string{"a=%{x y}"}, []string{"a=%{x y}"})
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f([]string{"a=%{123}"}, []string{"a=%{123}"})
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}
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func TestLookupEnv(t *testing.T) {
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envVars = map[string]string{
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"foo": "bar",
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}
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result, ok := LookupEnv("foo")
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if result != "bar" {
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t.Fatalf("unexpected result; got %q; want %q", result, "bar")
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}
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if !ok {
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t.Fatalf("unexpected ok=false")
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}
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result, ok = LookupEnv("bar")
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if result != "" {
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t.Fatalf("unexpected non-empty result: %q", result)
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}
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if ok {
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t.Fatalf("unexpected ok=true")
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}
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}
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func TestReplaceSuccess(t *testing.T) {
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envVars = map[string]string{
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"foo": "bar",
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"foo.bar_1": "baz",
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"foo-bar_2": "test",
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}
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f := func(s, resultExpected string) {
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t.Helper()
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result, err := ReplaceBytes([]byte(s))
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if err != nil {
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t.Fatalf("unexpected error: %s", err)
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}
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if string(result) != resultExpected {
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t.Fatalf("unexpected result for ReplaceBytes(%q);\ngot\n%q\nwant\n%q", s, result, resultExpected)
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}
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resultS, err := ReplaceString(s)
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if err != nil {
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t.Fatalf("unexpected error: %s", err)
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}
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if resultS != resultExpected {
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t.Fatalf("unexpected result for ReplaceString(%q);\ngot\n%q\nwant\n%q", s, result, resultExpected)
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}
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}
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f("", "")
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f("foo", "foo")
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f("a %{foo}-x", "a bar-x")
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f("%{foo.bar_1}", "baz")
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f("qq.%{foo-bar_2}.ww", "qq.test.ww")
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}
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func TestReplaceFailure(t *testing.T) {
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f := func(s string) {
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t.Helper()
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if _, err := ReplaceBytes([]byte(s)); err == nil {
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t.Fatalf("expecting non-nil error for ReplaceBytes(%q)", s)
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}
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if _, err := ReplaceString(s); err == nil {
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t.Fatalf("expecting non-nil error for ReplaceString(%q)", s)
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}
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}
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f("foo %{bar} %{baz}")
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f("%{Foo_Foo_1}")
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f("%{Foo-Bar-2}")
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f("%{Foo.Baz.3}")
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}
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