83 lines
2.1 KiB
Go
83 lines
2.1 KiB
Go
package config
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestApplyPortEnvironmentOverride(t *testing.T) {
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t.Setenv("PORT", "8080")
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cfg := DefaultConfig()
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cfg.ListenAddressSingleHTTPFrontend = "0.0.0.0:1337"
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applyPortEnvironmentOverride(cfg)
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assert.Equal(t, "0.0.0.0:8080", cfg.ListenAddressSingleHTTPFrontend)
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}
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func TestApplyPortEnvironmentOverridePreservesHost(t *testing.T) {
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t.Setenv("PORT", "9000")
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cfg := DefaultConfig()
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cfg.ListenAddressSingleHTTPFrontend = "127.0.0.1:1337"
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applyPortEnvironmentOverride(cfg)
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assert.Equal(t, "127.0.0.1:9000", cfg.ListenAddressSingleHTTPFrontend)
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}
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func TestApplyPortEnvironmentOverrideUnsetLeavesConfig(t *testing.T) {
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t.Setenv("PORT", "")
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cfg := DefaultConfig()
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cfg.ListenAddressSingleHTTPFrontend = "0.0.0.0:2337"
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applyPortEnvironmentOverride(cfg)
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assert.Equal(t, "0.0.0.0:2337", cfg.ListenAddressSingleHTTPFrontend)
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}
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func TestApplyPortEnvironmentOverrideIgnoresInvalid(t *testing.T) {
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// parseEnvPort accepts only 1..65535; port 0 and out-of-range values are ignored.
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cases := []struct {
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name string
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port string
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}{
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{name: "non-numeric", port: "not-a-port"},
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{name: "above max", port: "65536"},
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{name: "negative", port: "-1"},
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{name: "zero ignored", port: "0"},
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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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t.Setenv("PORT", tc.port)
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cfg := DefaultConfig()
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cfg.ListenAddressSingleHTTPFrontend = "0.0.0.0:1337"
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applyPortEnvironmentOverride(cfg)
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assert.Equal(t, "0.0.0.0:1337", cfg.ListenAddressSingleHTTPFrontend)
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})
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}
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}
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func TestApplyPortEnvironmentOverrideEmptyListenAddressDefaultsHost(t *testing.T) {
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t.Setenv("PORT", "8080")
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cfg := DefaultConfig()
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cfg.ListenAddressSingleHTTPFrontend = ""
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applyPortEnvironmentOverride(cfg)
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assert.Equal(t, "0.0.0.0:8080", cfg.ListenAddressSingleHTTPFrontend)
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}
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func TestApplyPortEnvironmentOverrideRejectsMalformedListenAddress(t *testing.T) {
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t.Setenv("PORT", "8080")
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cfg := DefaultConfig()
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cfg.ListenAddressSingleHTTPFrontend = "not-a-valid-address"
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applyPortEnvironmentOverride(cfg)
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assert.Equal(t, "not-a-valid-address", cfg.ListenAddressSingleHTTPFrontend)
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}
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