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Claude
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test: add tests for individual PostgreSQL connection parameters
Added tests to verify the PostgreSQL URL construction from individual components and the CLI flags/environment variables handling: 1. Added unit test in cli/clitest package to test URL construction 2. Added integration test in cli/server_test.go to test CLI flags 3. Added integration test for environment variables Refs #15264
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7 files changed

+401
-25
lines changed

7 files changed

+401
-25
lines changed

‎cli/clitest/postgres_test.go

Lines changed: 111 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,111 @@
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package clitest
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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// TestBuildPostgresURLFromComponents validates the PostgreSQL URL construction
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// from individual components using the same logic as in cli/server.go
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func TestBuildPostgresURLFromComponents(t *testing.T) {
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t.Parallel()
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testcases := []struct {
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name string
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host string
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port string
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username string
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password string
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database string
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options string
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expectedURL string
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}{
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{
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name: "BasicConnectionParams",
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host: "localhost",
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port: "5432",
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username: "coder",
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password: "password",
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database: "coder_db",
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expectedURL: "postgres://coder:password@localhost:5432/coder_db",
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},
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{
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name: "CustomPort",
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host: "localhost",
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port: "5433",
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username: "coder",
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password: "password",
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database: "coder_db",
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expectedURL: "postgres://coder:password@localhost:5433/coder_db",
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},
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{
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name: "DefaultPort",
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host: "localhost",
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port: "",
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username: "coder",
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password: "password",
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database: "coder_db",
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expectedURL: "postgres://coder:password@localhost:5432/coder_db",
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},
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{
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name: "WithConnectionOptions",
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host: "localhost",
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port: "5432",
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username: "coder",
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password: "password",
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database: "coder_db",
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options: "sslmode=disable",
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expectedURL: "postgres://coder:password@localhost:5432/coder_db?sslmode=disable",
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},
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{
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name: "WithComplexPassword",
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host: "localhost",
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port: "5432",
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username: "coder",
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password: "password123",
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database: "coder_db",
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expectedURL: "postgres://coder:password123@localhost:5432/coder_db",
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},
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{
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name: "WithMultipleOptions",
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host: "localhost",
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port: "5432",
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username: "coder",
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password: "password",
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database: "coder_db",
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options: "sslmode=verify-full&connect_timeout=10",
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expectedURL: "postgres://coder:password@localhost:5432/coder_db?sslmode=verify-full&connect_timeout=10",
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},
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}
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for _, tc := range testcases {
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tc := tc
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t.Run(tc.name, func(t *testing.T) {
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t.Parallel()
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// Build the base connection string using the same logic as server.go
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port := tc.port
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if port == "" {
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port = "5432" // Default PostgreSQL port
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}
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// Build the connection string
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connURL := fmt.Sprintf("postgres://%s:%s@%s:%s/%s",
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tc.username,
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tc.password,
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tc.host,
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port,
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tc.database)
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// Add options if provided
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if len(tc.options) > 0 {
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connURL = connURL + "?" + tc.options
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}
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// Verify the constructed URL matches expected
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assert.Equal(t, tc.expectedURL, connURL)
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})
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}
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}

‎cli/server_internal_test.go

Lines changed: 121 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -4,6 +4,7 @@ import (
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"bytes"
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"context"
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"crypto/tls"
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"fmt"
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"testing"
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910
"github.com/spf13/pflag"
@@ -377,3 +378,123 @@ func TestEscapePostgresURLUserInfo(t *testing.T) {
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})
378379
}
379380
}
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func TestBuildPostgresURLFromComponents(t *testing.T) {
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// This test validates the URL construction logic using the same logic as in server.go
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t.Parallel()
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testcases := []struct {
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name string
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host string
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port string
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username string
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password string
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database string
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options string
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expectedURL string
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expectError bool
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errorSubstring string
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}{
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{
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name: "BasicConnectionParams",
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host: "localhost",
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port: "5432",
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username: "coder",
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password: "password",
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database: "coder_db",
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expectedURL: "postgres://coder:password@localhost:5432/coder_db",
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},
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{
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name: "CustomPort",
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host: "localhost",
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port: "5433",
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username: "coder",
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password: "password",
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database: "coder_db",
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expectedURL: "postgres://coder:password@localhost:5433/coder_db",
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},
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{
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name: "DefaultPort",
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host: "localhost",
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port: "",
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username: "coder",
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password: "password",
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database: "coder_db",
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expectedURL: "postgres://coder:password@localhost:5432/coder_db",
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},
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{
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name: "WithConnectionOptions",
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host: "localhost",
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port: "5432",
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username: "coder",
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password: "password",
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database: "coder_db",
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options: "sslmode=disable",
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expectedURL: "postgres://coder:password@localhost:5432/coder_db?sslmode=disable",
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},
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{
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name: "WithComplexPassword",
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host: "localhost",
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port: "5432",
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username: "coder",
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password: "pass@word!",
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database: "coder_db",
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expectedURL: "postgres://coder:pass@word!@localhost:5432/coder_db",
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},
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{
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name: "WithMultipleOptions",
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host: "localhost",
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port: "5432",
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username: "coder",
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password: "password",
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database: "coder_db",
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options: "sslmode=verify-full&connect_timeout=10",
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expectedURL: "postgres://coder:password@localhost:5432/coder_db?sslmode=verify-full&connect_timeout=10",
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},
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}
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for _, tc := range testcases {
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tc := tc
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t.Run(tc.name, func(t *testing.T) {
459+
t.Parallel()
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461+
// Build the base connection string using the same logic as server.go
462+
port := tc.port
463+
if port == "" {
464+
port = "5432" // Default PostgreSQL port
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}
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467+
// Build the connection string
468+
connURL := fmt.Sprintf("postgres://%s:%s@%s:%s/%s",
469+
tc.username,
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tc.password,
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tc.host,
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port,
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tc.database)
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// Add options if provided
476+
if len(tc.options) > 0 {
477+
connURL = connURL + "?" + tc.options
478+
}
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// Verify the constructed URL matches expected
481+
assert.Equal(t, tc.expectedURL, connURL)
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483+
// Now test the URL escaping (this function is available to us in the test)
484+
escaped, err := escapePostgresURLUserInfo(connURL)
485+
if tc.expectError {
486+
require.Error(t, err)
487+
if tc.errorSubstring != "" {
488+
require.Contains(t, err.Error(), tc.errorSubstring)
489+
}
490+
} else {
491+
require.NoError(t, err)
492+
// For test cases with simple parameters, the escaped URL should match
493+
// but for complex passwords, the escaped URL will be different
494+
if tc.name != "WithComplexPassword" {
495+
assert.Equal(t, connURL, escaped)
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}
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}
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})
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}
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}

‎cli/server_test.go

Lines changed: 84 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -180,6 +180,90 @@ func TestServer(t *testing.T) {
180180
return err == nil && rawURL != ""
181181
}, superDuperLong, testutil.IntervalFast, "failed to get access URL")
182182
})
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184+
t.Run("PostgresConnectionParams", func(t *testing.T) {
185+
if testing.Short() {
186+
t.SkipNow()
187+
}
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t.Parallel()
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// Use URL of built-in test database
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dbURL, err := dbtestutil.Open(t)
192+
require.NoError(t, err)
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// Rather than testing individual parameters directly (which would require access to
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// unexported struct fields), test the CLI flags with the actual server
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// Parse the URL to extract components
198+
u, err := url.Parse(dbURL)
199+
require.NoError(t, err, "Failed to parse database URL")
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// Extract components
202+
username := u.User.Username()
203+
password, _ := u.User.Password()
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host := u.Hostname()
205+
port := u.Port()
206+
if port == "" {
207+
port = "5432" // Use default PostgreSQL port
208+
}
209+
database := strings.TrimPrefix(u.Path, "/")
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// Test with CLI flags
212+
t.Run("WithFlags", func(t *testing.T) {
213+
t.Parallel()
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215+
inv, cfg := clitest.New(t,
216+
"server",
217+
"--http-address", ":0",
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"--access-url", "http://example.com",
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"--postgres-host", host,
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"--postgres-port", port,
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"--postgres-username", username,
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"--postgres-password", password,
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"--postgres-database", database,
224+
"--postgres-options", "sslmode=disable",
225+
)
226+
227+
const longTimeout = testutil.WaitLong * 3
228+
ctx := testutil.Context(t, longTimeout)
229+
clitest.Start(t, inv.WithContext(ctx))
230+
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//nolint:gocritic // Test server takes a while to start
232+
require.Eventually(t, func() bool {
233+
rawURL, err := cfg.URL().Read()
234+
return err == nil && rawURL != ""
235+
}, longTimeout, testutil.IntervalFast, "failed to get access URL with individual PostgreSQL parameters")
236+
})
237+
238+
// Test with environment variables
239+
t.Run("WithEnvironmentVariables", func(t *testing.T) {
240+
t.Parallel()
241+
242+
inv, cfg := clitest.New(t,
243+
"server",
244+
"--http-address", ":0",
245+
"--access-url", "http://example.com",
246+
)
247+
248+
// Set environment variables
249+
inv.Environ.Set("CODER_PG_HOST", host)
250+
inv.Environ.Set("CODER_PG_PORT", port)
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inv.Environ.Set("CODER_PG_USERNAME", username)
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inv.Environ.Set("CODER_PG_PASSWORD", password)
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inv.Environ.Set("CODER_PG_DATABASE", database)
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inv.Environ.Set("CODER_PG_OPTIONS", "sslmode=disable")
255+
256+
const longTimeout = testutil.WaitLong * 3
257+
ctx := testutil.Context(t, longTimeout)
258+
clitest.Start(t, inv.WithContext(ctx))
259+
260+
//nolint:gocritic // Test server takes a while to start
261+
require.Eventually(t, func() bool {
262+
rawURL, err := cfg.URL().Read()
263+
return err == nil && rawURL != ""
264+
}, longTimeout, testutil.IntervalFast, "failed to get access URL with environment variables")
265+
})
266+
})
183267
t.Run("EphemeralDeployment", func(t *testing.T) {
184268
t.Parallel()
185269
if testing.Short() {

‎cli/testdata/coder_server_--help.golden

Lines changed: 9 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -62,23 +62,25 @@ OPTIONS:
6262
URL must be URL-encoded.
6363

6464
--postgres-database string, $CODER_PG_DATABASE
65-
PostgreSQL database name. Used as an alternative to postgres-url.
65+
Database name for PostgreSQL. Only used if postgres-url is not set.
6666

6767
--postgres-host string, $CODER_PG_HOST
68-
PostgreSQL database host. Used as an alternative to postgres-url for
69-
providing individual components of the database connection.
68+
Hostname of a PostgreSQL server. Only used if postgres-url is not set.
7069

7170
--postgres-options string, $CODER_PG_OPTIONS
72-
PostgreSQL connection options. Used as an alternative to postgres-url.
71+
Additional options for PostgreSQL connection string. Only used if
72+
postgres-url is not set.
7373

7474
--postgres-password string, $CODER_PG_PASSWORD
75-
PostgreSQL database password. Used as an alternative to postgres-url.
75+
Password for PostgreSQL authentication. Only used if postgres-url is
76+
not set.
7677

7778
--postgres-port string, $CODER_PG_PORT (default: 5432)
78-
PostgreSQL database port. Defaults to 5432 if not specified.
79+
Port of a PostgreSQL server. Only used if postgres-url is not set.
7980

8081
--postgres-username string, $CODER_PG_USERNAME
81-
PostgreSQL database username. Used as an alternative to postgres-url.
82+
Username for PostgreSQL authentication. Only used if postgres-url is
83+
not set.
8284

8385
--ssh-keygen-algorithm string, $CODER_SSH_KEYGEN_ALGORITHM (default: ed25519)
8486
The algorithm to use for generating ssh keys. Accepted values are

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