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v0.2.1 remove testify dep
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lixen committed 2026-09-29 01:11:44 -04:00
1 parent e08467bf38
commit 2a47be454d
17 files changed
+849 -855
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builder_test.go
+72 -58
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@@ -3,12 +3,8 @@ package config
import (
"fmt"
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// TestBuilder tests the builder pattern
@@ -29,18 +25,22 @@ func TestBuilder(t *testing.T) {
WithEnvPrefix("TEST_").
Build()
require.NoError(t, err)
assert.NotNil(t, cfg)
mustNoError(t, err)
if got := cfg; got == nil {
t.Errorf("got %v, want non-nil", got)
}
val, exists := cfg.Get("host")
assert.True(t, exists)
assert.Equal(t, "localhost", val)
if !exists {
t.Errorf("exists should be true")
}
checkEqual(t, val, "localhost")
})
t.Run("BuilderWithAllOptions", func(t *testing.T) {
tmpDir := t.TempDir()
configFile := filepath.Join(tmpDir, "test.toml")
os.WriteFile(configFile, []byte(`host = "filehost"`), 0644)
writeTestFile(t, configFile, []byte(`host = "filehost"`), 0644)
type Config struct {
Host string `toml:"hostname"`
@@ -69,11 +69,11 @@ func TestBuilder(t *testing.T) {
WithEnvWhitelist("server.hostname").
Build()
require.NoError(t, err)
mustNoError(t, err)
// CLI should take precedence
val, _ := cfg.Get("server.hostname")
assert.Equal(t, "clihost", val)
checkEqual(t, val, "clihost")
})
t.Run("BuilderWithTarget", func(t *testing.T) {
@@ -96,18 +96,24 @@ func TestBuilder(t *testing.T) {
WithTarget(target).
Build()
require.NoError(t, err)
mustNoError(t, err)
// Verify paths were registered
paths := cfg.GetRegisteredPaths()
assert.True(t, paths["db.host"])
assert.True(t, paths["db.port"])
assert.True(t, paths["cache.ttl"])
if !paths["db.host"] {
t.Errorf("paths[\"db.host\"] should be true")
}
if !paths["db.port"] {
t.Errorf("paths[\"db.port\"] should be true")
}
if !paths["cache.ttl"] {
t.Errorf("paths[\"cache.ttl\"] should be true")
}
// Test AsStruct
result, err := cfg.AsStruct()
require.NoError(t, err)
assert.Equal(t, target, result)
mustNoError(t, err)
checkEqual(t, result, target)
})
t.Run("BuilderWithValidator", func(t *testing.T) {
@@ -145,9 +151,13 @@ func TestBuilder(t *testing.T) {
WithValidator(validator).
Build()
require.NoError(t, err)
assert.NotNil(t, cfg)
assert.True(t, validatorCalled)
mustNoError(t, err)
if got := cfg; got == nil {
t.Errorf("got %v, want non-nil", got)
}
if !validatorCalled {
t.Errorf("validatorCalled should be true")
}
// Invalid case
validatorCalled = false
@@ -156,10 +166,13 @@ func TestBuilder(t *testing.T) {
WithValidator(validator).
Build()
assert.Nil(t, cfg2)
assert.Error(t, err)
assert.Contains(t, err.Error(), "configuration validation failed")
assert.True(t, validatorCalled)
if got := cfg2; got != nil {
t.Errorf("got %v, want nil", got)
}
checkErrorContains(t, err, "configuration validation failed")
if !validatorCalled {
t.Errorf("validatorCalled should be true")
}
})
t.Run("BuilderErrorAccumulation", func(t *testing.T) {
@@ -169,29 +182,29 @@ func TestBuilder(t *testing.T) {
WithDefaults(struct{}{}).
Build()
assert.Error(t, err)
assert.Contains(t, err.Error(), "unsupported tag name")
checkErrorContains(t, err, "unsupported tag name")
// Invalid target
_, err = NewBuilder().
WithTarget("not-a-pointer").
Build()
assert.Error(t, err)
assert.Contains(t, err.Error(), "requires non-nil pointer to struct")
checkErrorContains(t, err, "requires non-nil pointer to struct")
})
t.Run("MustBuildPanic", func(t *testing.T) {
// Should not panic with valid config
assert.NotPanics(t, func() {
{
cfg := NewBuilder().
WithDefaults(struct{ Port int }{Port: 8080}).
MustBuild()
assert.NotNil(t, cfg)
})
if got := cfg; got == nil {
t.Errorf("got %v, want non-nil", got)
}
}
// Should panic with error
assert.Panics(t, func() {
mustPanic(t, func() {
NewBuilder().
WithTagName("invalid").
MustBuild()
@@ -205,7 +218,7 @@ func TestFileDiscovery(t *testing.T) {
tmpDir := t.TempDir()
// Use .toml extension for TOML content
configFile := filepath.Join(tmpDir, "custom.toml")
os.WriteFile(configFile, []byte(`test = "value"`), 0644)
writeTestFile(t, configFile, []byte(`test = "value"`), 0644)
opts := DefaultDiscoveryOptions("myapp")
@@ -217,20 +230,19 @@ func TestFileDiscovery(t *testing.T) {
WithFileDiscovery(opts).
Build()
require.NoError(t, err)
mustNoError(t, err)
// Verify file was loaded
val, _ := cfg.Get("test")
assert.Equal(t, "value", val)
checkEqual(t, val, "value")
})
t.Run("DiscoveryWithEnvVar", func(t *testing.T) {
tmpDir := t.TempDir()
configFile := filepath.Join(tmpDir, "env.toml")
os.WriteFile(configFile, []byte(`test = "envvalue"`), 0644)
writeTestFile(t, configFile, []byte(`test = "envvalue"`), 0644)
os.Setenv("MYAPP_CONFIG", configFile)
defer os.Unsetenv("MYAPP_CONFIG")
t.Setenv("MYAPP_CONFIG", configFile)
opts := DefaultDiscoveryOptions("myapp")
@@ -241,18 +253,17 @@ func TestFileDiscovery(t *testing.T) {
WithFileDiscovery(opts).
Build()
require.NoError(t, err)
mustNoError(t, err)
val, _ := cfg.Get("test")
assert.Equal(t, "envvalue", val)
checkEqual(t, val, "envvalue")
})
t.Run("DiscoveryInCurrentDir", func(t *testing.T) {
// Create config in current directory
cwd, _ := os.Getwd()
configFile := filepath.Join(cwd, "myapp.toml")
os.WriteFile(configFile, []byte(`test = "cwdvalue"`), 0644)
defer os.Remove(configFile)
// Discovery runs in an isolated directory and never writes into the checkout.
t.Chdir(t.TempDir())
configFile := "myapp.toml"
writeTestFile(t, configFile, []byte(`test = "cwdvalue"`), 0644)
opts := FileDiscoveryOptions{
Name: "myapp",
@@ -267,10 +278,10 @@ func TestFileDiscovery(t *testing.T) {
WithFileDiscovery(opts).
Build()
require.NoError(t, err)
mustNoError(t, err)
val, _ := cfg.Get("test")
assert.Equal(t, "cwdvalue", val)
checkEqual(t, val, "cwdvalue")
})
t.Run("DiscoveryPrecedence", func(t *testing.T) {
@@ -279,12 +290,11 @@ func TestFileDiscovery(t *testing.T) {
// Create multiple config files
cliFile := filepath.Join(tmpDir, "cli.toml")
envFile := filepath.Join(tmpDir, "env.toml")
os.WriteFile(cliFile, []byte(`test = "clifile"`), 0644)
os.WriteFile(envFile, []byte(`test = "envfile"`), 0644)
writeTestFile(t, cliFile, []byte(`test = "clifile"`), 0644)
writeTestFile(t, envFile, []byte(`test = "envfile"`), 0644)
// CLI should take precedence over env
os.Setenv("MYAPP_CONFIG", envFile)
defer os.Unsetenv("MYAPP_CONFIG")
t.Setenv("MYAPP_CONFIG", envFile)
opts := DefaultDiscoveryOptions("myapp")
@@ -296,10 +306,10 @@ func TestFileDiscovery(t *testing.T) {
WithFileDiscovery(opts).
Build()
require.NoError(t, err)
mustNoError(t, err)
val, _ := cfg.Get("test")
assert.Equal(t, "clifile", val)
checkEqual(t, val, "clifile")
})
}
@@ -323,7 +333,7 @@ func TestBuilderWithTypedValidator(t *testing.T) {
WithTypedValidator(validator).
Build()
require.NoError(t, err)
mustNoError(t, err)
})
// Case 2: Invalid configuration
@@ -341,8 +351,10 @@ func TestBuilderWithTypedValidator(t *testing.T) {
WithTypedValidator(validator).
Build()
require.Error(t, err)
assert.Contains(t, err.Error(), "typed configuration validation failed: port too low")
if err == nil {
t.Fatalf("expected an error")
}
checkErrorContains(t, err, "typed configuration validation failed: port too low")
})
// Case 3: Mismatched validator signature
@@ -357,7 +369,9 @@ func TestBuilderWithTypedValidator(t *testing.T) {
WithTypedValidator(validator).
Build()
require.Error(t, err)
assert.Contains(t, err.Error(), "typed validator signature")
if err == nil {
t.Fatalf("expected an error")
}
checkErrorContains(t, err, "typed validator signature")
})
}