clawbot
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The test helpers lived in ordinary `testing.go` files inside the config, database, middleware and session packages, so they were built into the binary and the shared `test-support` lint rule could not see them. The four files are gone: the session's helpers move into its own `_test.go` file, and the rest into `configtest`, `databasetest` and `middlewaretest`, which the `depguard` deny list now names, so a non-test file importing them fails lint. The test-support packages build through the production constructors. Judgement call: the session, the middleware and the webhook database manager now take the plain logger they log through, which the application wiring provides. Judgement call: two idle-expiry tests move the stored timestamps back instead of advancing a fake clock. Model: opus-5-5
53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
// Package configtest holds test support for code that reads the
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// process environment.
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package configtest
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import (
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"os"
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"strings"
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"testing"
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)
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// ClearEnv unsets every variable in the process environment
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// for the rest of the test, so a test sees only the variables it sets
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// itself, not whatever the developer's shell exports. When the test
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// ends it leaves the environment exactly as it found it: each variable
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// it unset is put back, and any variable added since is removed.
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func ClearEnv(t *testing.T) {
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t.Helper()
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present := make(map[string]bool)
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for _, entry := range os.Environ() {
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key, _, _ := strings.Cut(entry, "=")
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present[key] = true
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// t.Setenv registers the restore; the Unsetenv after it is
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// what makes the key absent, since a key set to the empty
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// string is still present, and godotenv will not overwrite a
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// present key.
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t.Setenv(key, "")
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err := os.Unsetenv(key)
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if err != nil {
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t.Fatalf("unsetting %s: %v", key, err)
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}
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}
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// A variable the test adds other than through t.Setenv, as loading
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// a .env file does, has no restore of its own.
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t.Cleanup(func() {
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for _, entry := range os.Environ() {
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key, _, _ := strings.Cut(entry, "=")
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if present[key] {
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continue
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}
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err := os.Unsetenv(key)
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if err != nil {
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t.Errorf("unsetting %s: %v", key, err)
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}
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}
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})
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}
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