71 lines
3.3 KiB
Go
71 lines
3.3 KiB
Go
package configkit_test
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import (
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"os"
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"path/filepath"
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"testing"
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"testing/fstest"
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configkit "go.maximumdirect.net/configkit"
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)
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func TestMainRelativeCompanion(t *testing.T) {
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dir := t.TempDir()
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if err := os.WriteFile(filepath.Join(dir, "main.yml"), []byte("count: 3\n"), 0600); err != nil {
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t.Fatal(err)
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}
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if err := os.WriteFile(filepath.Join(dir, "extra.yml"), []byte("settings: {companion: host}\n"), 0600); err != nil {
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t.Fatal(err)
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}
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binding := configkit.MainRelative()
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companion := configkit.Input{Source: configkit.Bytes("companions", []byte("config: {imports: [{path: extra.yml}]}\n")), Imports: true, MainRelative: binding}
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result, err := configkit.LoadLayered(configkit.Input{Source: configkit.File(filepath.Join(dir, "main.yml"))}, configkit.LayeredOptions[layeredFacadeConfig]{Underlays: []configkit.Underlay{{Inputs: []configkit.Input{companion}}}})
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if err != nil {
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t.Fatalf("%v: %#v", err, err.(*configkit.LoadError).Diagnostics())
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}
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if result.Config.Count != 3 || result.Config.Settings["companion"] != "host" {
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t.Fatalf("configuration = %#v", result.Config)
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}
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native := configkit.NewFilesystem("bundle", fstest.MapFS{"dir/main.yml": &fstest.MapFile{Data: []byte("count: 4\n")}, "dir/extra.yml": &fstest.MapFile{Data: []byte("settings: {companion: native}\n")}})
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result, err = configkit.LoadLayered(configkit.Input{Source: native.File("dir/main.yml")}, configkit.LayeredOptions[layeredFacadeConfig]{Underlays: []configkit.Underlay{{Inputs: []configkit.Input{companion}}}})
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if err != nil {
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t.Fatalf("%v: %#v", err, err.(*configkit.LoadError).Diagnostics())
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}
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if result.Config.Count != 4 || result.Config.Settings["companion"] != "native" {
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t.Fatalf("configuration = %#v", result.Config)
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}
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}
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func TestMainRelativeContextSelection(t *testing.T) {
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root := t.TempDir()
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base := filepath.Join(root, "main")
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if err := os.Mkdir(base, 0700); err != nil {
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t.Fatal(err)
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}
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for path, value := range map[string]string{"main/main.yml": "count: 1\n", "main/extra.yml": "settings: {value: derived}\n", "extra.yml": "settings: {value: fallback}\n"} {
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if err := os.WriteFile(filepath.Join(root, path), []byte(value), 0600); err != nil {
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t.Fatal(err)
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}
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}
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link := filepath.Join(root, "link.yml")
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if err := os.Symlink(filepath.Join(base, "main.yml"), link); err != nil {
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t.Fatal(err)
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}
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companion := configkit.Input{Source: configkit.Bytes("companion", []byte("config: {imports: [{path: extra.yml}]}\n")), Imports: true, MainRelative: &configkit.MainRelativeContext{Fallback: &configkit.FilesystemContext{Root: root, BaseDir: root}}}
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opts := configkit.LayeredOptions[layeredFacadeConfig]{Underlays: []configkit.Underlay{{Inputs: []configkit.Input{companion}}}}
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result, err := configkit.LoadLayered(configkit.Input{Source: configkit.File(link), Filesystem: &configkit.FilesystemContext{Root: root}}, opts)
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if err != nil {
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t.Fatalf("%v: %#v", err, err.(*configkit.LoadError).Diagnostics())
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}
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if got := result.Config.Settings["value"]; got != "derived" {
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t.Fatalf("derived value = %q", got)
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}
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result, err = configkit.LoadLayered(configkit.Input{Source: configkit.NoSource()}, opts)
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if err != nil {
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t.Fatalf("%v: %#v", err, err.(*configkit.LoadError).Diagnostics())
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}
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if got := result.Config.Settings["value"]; got != "fallback" {
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t.Fatalf("fallback value = %q", got)
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}
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}
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