How to use Description method of csv Package
Best K6 code snippet using csv.Description
load_test.go
Source:load_test.go 
1package sqlite2import (3 "context"4 "database/sql"5 "encoding/json"6 "errors"7 "fmt"8 "strings"9 "testing"10 "github.com/stretchr/testify/require"11 "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"12 "k8s.io/apimachinery/pkg/runtime"13 utilerrors "k8s.io/apimachinery/pkg/util/errors"14 "github.com/operator-framework/operator-registry/pkg/registry"15)16func TestAddPackageChannels(t *testing.T) {17 type fields struct {18 bundles []*registry.Bundle19 }20 type args struct {21 pkgs []registry.PackageManifest22 }23 type expected struct {24 errs []error25 pkgs []string26 }27 tests := []struct {28 description string29 fields fields30 args args31 expected expected32 }{33 {34 description: "DuplicateBundlesInPackage/DBDoesntLock",35 fields: fields{36 bundles: []*registry.Bundle{37 newBundle(t, "csv-a", "pkg-0", []string{"stable"}, newUnstructuredCSV(t, "csv-a", "")),38 newBundle(t, "csv-a", "pkg-0", []string{"stable"}, newUnstructuredCSV(t, "csv-a", "")),39 newBundle(t, "csv-b", "pkg-0", []string{"alpha"}, newUnstructuredCSV(t, "csv-b", "")),40 newBundle(t, "csv-c", "pkg-1", []string{"stable"}, newUnstructuredCSV(t, "csv-c", "")),41 },42 },43 args: args{44 pkgs: []registry.PackageManifest{45 {46 PackageName: "pkg-0",47 Channels: []registry.PackageChannel{48 {49 Name: "stable",50 CurrentCSVName: "csv-a",51 },52 {53 Name: "alpha",54 CurrentCSVName: "csv-b",55 },56 },57 DefaultChannelName: "stable",58 },59 {60 PackageName: "pkg-1",61 Channels: []registry.PackageChannel{62 {63 Name: "stable",64 CurrentCSVName: "csv-c",65 },66 },67 },68 },69 },70 expected: expected{71 errs: make([]error, 2),72 pkgs: []string{73 "pkg-0",74 "pkg-1",75 },76 },77 },78 {79 description: "MissingReplacesInPackage/AggregatesAndContinues",80 fields: fields{81 bundles: []*registry.Bundle{82 newBundle(t, "csv-a", "pkg-0", []string{"stable"}, newUnstructuredCSV(t, "csv-a", "csv-d")),83 newBundle(t, "csv-b", "pkg-0", []string{"alpha"}, newUnstructuredCSV(t, "csv-b", "")),84 newBundle(t, "csv-c", "pkg-1", []string{"stable"}, newUnstructuredCSV(t, "csv-c", "")),85 },86 },87 args: args{88 pkgs: []registry.PackageManifest{89 {90 PackageName: "pkg-0",91 Channels: []registry.PackageChannel{92 {93 Name: "stable",94 CurrentCSVName: "csv-a",95 },96 {97 Name: "alpha",98 CurrentCSVName: "csv-b",99 },100 },101 DefaultChannelName: "stable",102 },103 {104 PackageName: "pkg-1",105 Channels: []registry.PackageChannel{106 {107 Name: "stable",108 CurrentCSVName: "csv-c",109 },110 },111 },112 },113 },114 expected: expected{115 errs: []error{116 utilerrors.NewAggregate([]error{fmt.Errorf("Invalid bundle csv-a, replaces nonexistent bundle csv-d")}),117 nil,118 },119 pkgs: []string{120 "pkg-1",121 },122 },123 },124 }125 for _, tt := range tests {126 t.Run(tt.description, func(t *testing.T) {127 db, cleanup := CreateTestDb(t)128 defer cleanup()129 store, err := NewSQLLiteLoader(db)130 require.NoError(t, err)131 err = store.Migrate(context.TODO())132 require.NoError(t, err)133 for _, bundle := range tt.fields.bundles {134 // Throw away any errors loading bundles (not testing this)135 store.AddOperatorBundle(bundle)136 }137 for i, pkg := range tt.args.pkgs {138 errs := store.AddPackageChannels(pkg)139 require.Equal(t, tt.expected.errs[i], errs, "expected %v, got %v", tt.expected.errs[i], errs)140 }141 // Ensure expected packages were loaded142 querier := NewSQLLiteQuerierFromDb(db)143 pkgs, err := querier.ListPackages(context.Background())144 require.NoError(t, err)145 require.ElementsMatch(t, tt.expected.pkgs, pkgs)146 })147 }148}149func TestAddBundleSemver(t *testing.T) {150 // Create a test DB151 db, cleanup := CreateTestDb(t)152 defer cleanup()153 store, err := NewSQLLiteLoader(db)154 require.NoError(t, err)155 err = store.Migrate(context.TODO())156 require.NoError(t, err)157 graphLoader, err := NewSQLGraphLoaderFromDB(db)158 require.NoError(t, err)159 // Seed the db with a replaces-mode bundle/package160 replacesBundle := newBundle(t, "csv-a", "pkg-foo", []string{"stable"}, newUnstructuredCSV(t, "csv-a", ""))161 err = store.AddOperatorBundle(replacesBundle)162 require.NoError(t, err)163 err = store.AddPackageChannels(registry.PackageManifest{164 PackageName: "pkg-foo",165 Channels: []registry.PackageChannel{166 {167 Name: "stable",168 CurrentCSVName: "csv-a",169 },170 },171 DefaultChannelName: "stable",172 })173 require.NoError(t, err)174 // Add semver bundles in non-semver order.175 bundles := []*registry.Bundle{176 newBundle(t, "csv-3", "pkg-0", []string{"stable"}, newUnstructuredCSVWithVersion(t, "csv-3", "0.3.0")),177 newBundle(t, "csv-1", "pkg-0", []string{"stable"}, newUnstructuredCSVWithVersion(t, "csv-1", "0.1.0")),178 newBundle(t, "csv-2", "pkg-0", []string{"stable"}, newUnstructuredCSVWithVersion(t, "csv-2", "0.2.0")),179 }180 for _, b := range bundles {181 graph, err := graphLoader.Generate(b.Package)182 require.Conditionf(t, func() bool {183 return err == nil || errors.Is(err, registry.ErrPackageNotInDatabase)184 }, "got unexpected error: %v", err)185 bundleLoader := registry.BundleGraphLoader{}186 updatedGraph, err := bundleLoader.AddBundleToGraph(b, graph, ®istry.AnnotationsFile{Annotations: *b.Annotations}, false)187 require.NoError(t, err)188 err = store.AddBundleSemver(updatedGraph, b)189 require.NoError(t, err)190 }191 // Ensure bundles can be queried with expected replaces and skips values.192 querier := NewSQLLiteQuerierFromDb(db)193 gotBundles, err := querier.ListBundles(context.Background())194 require.NoError(t, err)195 replaces := map[string]string{}196 for _, b := range gotBundles {197 if b.PackageName != "pkg-0" {198 continue199 }200 require.Len(t, b.Skips, 0, "unexpected skips value(s) for bundle %q", b.CsvName)201 replaces[b.CsvName] = b.Replaces202 }203 require.Equal(t, map[string]string{204 "csv-3": "csv-2",205 "csv-2": "csv-1",206 "csv-1": "",207 }, replaces)208}209func TestClearNonHeadBundles(t *testing.T) {210 db, cleanup := CreateTestDb(t)211 defer cleanup()212 store, err := NewSQLLiteLoader(db)213 require.NoError(t, err)214 err = store.Migrate(context.TODO())215 require.NoError(t, err)216 // Create a replaces chain that contains bundles with no bundle path217 pkg, channel := "pkg", "stable"218 channels := []string{"stable"}219 withoutPath := newBundle(t, "without-path", pkg, channels, newUnstructuredCSV(t, "without-path", ""))220 withPathInternal := newBundle(t, "with-path-internal", pkg, channels, newUnstructuredCSV(t, "with-path-internal", withoutPath.Name))221 withPathInternal.BundleImage = "this.is/agood@sha256:path"222 withPath := newBundle(t, "with-path", pkg, channels, newUnstructuredCSV(t, "with-path", withPathInternal.Name))223 withPath.BundleImage = "this.is/abetter@sha256:path"224 require.NoError(t, store.AddOperatorBundle(withoutPath))225 require.NoError(t, store.AddOperatorBundle(withPathInternal))226 require.NoError(t, store.AddOperatorBundle(withPath))227 err = store.AddPackageChannels(registry.PackageManifest{228 PackageName: pkg,229 Channels: []registry.PackageChannel{230 {231 Name: channel,232 CurrentCSVName: withPath.Name,233 },234 },235 DefaultChannelName: channel,236 })237 require.NoError(t, err)238 // Clear everything but the default bundle239 require.NoError(t, store.ClearNonHeadBundles())240 // Internal node without bundle path should keep its manifests241 querier := NewSQLLiteQuerierFromDb(db)242 bundle, err := querier.GetBundle(context.Background(), pkg, channel, withoutPath.Name)243 require.NoError(t, err)244 require.NotNil(t, bundle)245 require.NotNil(t, bundle.Object)246 require.NotEmpty(t, bundle.CsvJson)247 // Internal node with bundle path should be cleared248 bundle, err = querier.GetBundle(context.Background(), pkg, channel, withPathInternal.Name)249 require.NoError(t, err)250 require.NotNil(t, bundle)251 require.Nil(t, bundle.Object)252 require.Empty(t, bundle.CsvJson)253 // Head of the default channel should keep its manifests254 bundle, err = querier.GetBundle(context.Background(), pkg, channel, withPath.Name)255 require.NoError(t, err)256 require.NotNil(t, bundle)257 require.NotNil(t, bundle.Object)258 require.NotEmpty(t, bundle.CsvJson)259}260func newUnstructuredCSV(t *testing.T, name, replaces string) *unstructured.Unstructured {261 csv := ®istry.ClusterServiceVersion{}262 csv.TypeMeta.Kind = "ClusterServiceVersion"263 csv.SetName(name)264 csv.Spec = json.RawMessage(fmt.Sprintf(`{"replaces": "%s"}`, replaces))265 out, err := runtime.DefaultUnstructuredConverter.ToUnstructured(csv)266 require.NoError(t, err)267 return &unstructured.Unstructured{Object: out}268}269func newUnstructuredCSVWithSkips(t *testing.T, name, replaces string, skips ...string) *unstructured.Unstructured {270 csv := ®istry.ClusterServiceVersion{}271 csv.TypeMeta.Kind = "ClusterServiceVersion"272 csv.SetName(name)273 allSkips, err := json.Marshal(skips)274 require.NoError(t, err)275 replacesSkips := fmt.Sprintf(`{"replaces": "%s", "skips": %s}`, replaces, string(allSkips))276 csv.Spec = json.RawMessage(replacesSkips)277 out, err := runtime.DefaultUnstructuredConverter.ToUnstructured(csv)278 require.NoError(t, err)279 return &unstructured.Unstructured{Object: out}280}281func newUnstructuredCSVWithVersion(t *testing.T, name, version string) *unstructured.Unstructured {282 csv := ®istry.ClusterServiceVersion{}283 csv.TypeMeta.Kind = "ClusterServiceVersion"284 csv.SetName(name)285 versionJson := fmt.Sprintf(`{"version": "%s"}`, version)286 csv.Spec = json.RawMessage(versionJson)287 out, err := runtime.DefaultUnstructuredConverter.ToUnstructured(csv)288 require.NoError(t, err)289 return &unstructured.Unstructured{Object: out}290}291func newBundle(t *testing.T, name, pkgName string, channels []string, objs ...*unstructured.Unstructured) *registry.Bundle {292 bundle := registry.NewBundle(name, ®istry.Annotations{293 PackageName: pkgName,294 Channels: strings.Join(channels, ","),295 }, objs...)296 // Bust the bundle cache to set the CSV and CRDs297 _, err := bundle.ClusterServiceVersion()298 require.NoError(t, err)299 return bundle300}301func TestRMBundle(t *testing.T) {302 db, cleanup := CreateTestDb(t)303 defer cleanup()304 store, err := NewSQLLiteLoader(db)305 require.NoError(t, err)306 require.NoError(t, store.Migrate(context.Background()))307 tx, err := db.Begin()308 require.NoError(t, err)309 loader := store.(*sqlLoader)310 require.NoError(t, loader.rmBundle(tx, "non-existent"))311}312func TestDeprecationAwareLoader(t *testing.T) {313 withBundleImage := func(image string, bundle *registry.Bundle) *registry.Bundle {314 bundle.BundleImage = image315 return bundle316 }317 type fields struct {318 bundles []*registry.Bundle319 pkgs []registry.PackageManifest320 deprecatedPaths []string321 }322 type args struct {323 pkg string324 }325 type expected struct {326 err error327 deprecated map[string]struct{}328 nontruncated map[string]struct{}329 }330 tests := []struct {331 description string332 fields fields333 args args334 expected expected335 }{336 {337 description: "NoDeprecation",338 fields: fields{339 bundles: []*registry.Bundle{340 withBundleImage("quay.io/my/bundle-a", newBundle(t, "csv-a", "pkg-0", []string{"stable"}, newUnstructuredCSV(t, "csv-a", ""))),341 },342 pkgs: []registry.PackageManifest{343 {344 PackageName: "pkg-0",345 Channels: []registry.PackageChannel{346 {347 Name: "stable",348 CurrentCSVName: "csv-a",349 },350 },351 DefaultChannelName: "stable",352 },353 },354 deprecatedPaths: []string{},355 },356 args: args{357 pkg: "pkg-0",358 },359 expected: expected{360 err: nil,361 deprecated: map[string]struct{}{},362 nontruncated: map[string]struct{}{},363 },364 },365 {366 description: "RemovePackage/DropsDeprecated",367 fields: fields{368 bundles: []*registry.Bundle{369 withBundleImage("quay.io/my/bundle-a", newBundle(t, "csv-a", "pkg-0", []string{"stable"}, newUnstructuredCSV(t, "csv-a", ""))),370 withBundleImage("quay.io/my/bundle-aa", newBundle(t, "csv-aa", "pkg-0", []string{"stable"}, newUnstructuredCSV(t, "csv-aa", "csv-a"))),371 },372 pkgs: []registry.PackageManifest{373 {374 PackageName: "pkg-0",375 Channels: []registry.PackageChannel{376 {377 Name: "stable",378 CurrentCSVName: "csv-aa",379 },380 },381 DefaultChannelName: "stable",382 },383 },384 deprecatedPaths: []string{385 "quay.io/my/bundle-a",386 },387 },388 args: args{389 pkg: "pkg-0",390 },391 expected: expected{392 err: nil,393 deprecated: map[string]struct{}{},394 nontruncated: map[string]struct{}{},395 },396 },397 {398 description: "RemovePackage/IgnoresOtherPackages",399 fields: fields{400 bundles: []*registry.Bundle{401 withBundleImage("quay.io/my/bundle-a", newBundle(t, "csv-a", "pkg-0", []string{"stable"}, newUnstructuredCSV(t, "csv-a", ""))),402 withBundleImage("quay.io/my/bundle-aa", newBundle(t, "csv-aa", "pkg-0", []string{"stable"}, newUnstructuredCSV(t, "csv-aa", "csv-a"))),403 withBundleImage("quay.io/my/bundle-b", newBundle(t, "csv-b", "pkg-1", []string{"stable"}, newUnstructuredCSV(t, "csv-b", ""))),404 withBundleImage("quay.io/my/bundle-bb", newBundle(t, "csv-bb", "pkg-1", []string{"stable"}, newUnstructuredCSV(t, "csv-bb", "csv-b"))),405 },406 pkgs: []registry.PackageManifest{407 {408 PackageName: "pkg-0",409 Channels: []registry.PackageChannel{410 {411 Name: "stable",412 CurrentCSVName: "csv-aa",413 },414 },415 DefaultChannelName: "stable",416 },417 {418 PackageName: "pkg-1",419 Channels: []registry.PackageChannel{420 {421 Name: "stable",422 CurrentCSVName: "csv-bb",423 },424 },425 DefaultChannelName: "stable",426 },427 },428 deprecatedPaths: []string{429 "quay.io/my/bundle-a",430 "quay.io/my/bundle-b",431 },432 },433 args: args{434 pkg: "pkg-0", // Should result in a alone being dropped from the deprecated table435 },436 expected: expected{437 err: nil,438 deprecated: map[string]struct{}{439 "csv-b": {},440 },441 nontruncated: map[string]struct{}{442 "csv-b:stable": {},443 "csv-bb:stable": {},444 },445 },446 },447 {448 description: "DeprecateTruncate/DropsTruncated",449 fields: fields{450 bundles: []*registry.Bundle{451 withBundleImage("quay.io/my/bundle-a", newBundle(t, "csv-a", "pkg-0", []string{"stable"}, newUnstructuredCSV(t, "csv-a", ""))),452 withBundleImage("quay.io/my/bundle-aa", newBundle(t, "csv-aa", "pkg-0", []string{"stable"}, newUnstructuredCSV(t, "csv-aa", "csv-a"))),453 withBundleImage("quay.io/my/bundle-aaa", newBundle(t, "csv-aaa", "pkg-0", []string{"stable"}, newUnstructuredCSV(t, "csv-aaa", "csv-aa"))),454 },455 pkgs: []registry.PackageManifest{456 {457 PackageName: "pkg-0",458 Channels: []registry.PackageChannel{459 {460 Name: "stable",461 CurrentCSVName: "csv-aaa",462 },463 },464 DefaultChannelName: "stable",465 },466 },467 deprecatedPaths: []string{468 "quay.io/my/bundle-a",469 "quay.io/my/bundle-aa", // Should truncate a, dropping it from the deprecated table470 },471 },472 expected: expected{473 err: nil,474 deprecated: map[string]struct{}{475 "csv-aa": struct{}{}, // csv-b remains in the deprecated table since it has been truncated and hasn't been removed476 },477 nontruncated: map[string]struct{}{478 "csv-aa:stable": {},479 "csv-aaa:stable": {},480 },481 },482 },483 {484 description: "DeprecateTruncateRemoveDeprecatedChannelHeadOnPackageRemoval",485 fields: fields{486 bundles: []*registry.Bundle{487 withBundleImage("quay.io/my/bundle-a", newBundle(t, "csv-a", "pkg-0", []string{"a"}, newUnstructuredCSV(t, "csv-a", ""))),488 withBundleImage("quay.io/my/bundle-aa", newBundle(t, "csv-aa", "pkg-0", []string{"a"}, newUnstructuredCSV(t, "csv-aa", "csv-a"))),489 withBundleImage("quay.io/my/bundle-b", newBundle(t, "csv-b", "pkg-0", []string{"b"}, newUnstructuredCSV(t, "csv-b", "csv-a"))),490 },491 pkgs: []registry.PackageManifest{492 {493 PackageName: "pkg-0",494 Channels: []registry.PackageChannel{495 {496 Name: "a",497 CurrentCSVName: "csv-aa",498 },499 {500 Name: "b",501 CurrentCSVName: "csv-b",502 },503 },504 DefaultChannelName: "b",505 },506 },507 deprecatedPaths: []string{508 "quay.io/my/bundle-aa",509 },510 },511 args: args{512 pkg: "pkg-0",513 },514 expected: expected{515 err: nil,516 deprecated: map[string]struct{}{},517 },518 },519 {520 description: "DeprecateChannelHead",521 fields: fields{522 bundles: []*registry.Bundle{523 withBundleImage("quay.io/my/bundle-a", newBundle(t, "csv-a", "pkg-0", []string{"a"}, newUnstructuredCSV(t, "csv-a", ""))),524 withBundleImage("quay.io/my/bundle-b", newBundle(t, "csv-b", "pkg-0", []string{"b"}, newUnstructuredCSV(t, "csv-b", "csv-a"))),525 withBundleImage("quay.io/my/bundle-aa", newBundle(t, "csv-aa", "pkg-0", []string{"a"}, newUnstructuredCSV(t, "csv-aa", "csv-a"))),526 withBundleImage("quay.io/my/bundle-aaa", newBundle(t, "csv-aaa", "pkg-0", []string{"a"}, newUnstructuredCSVWithSkips(t, "csv-aaa", "csv-aa", "csv-cc"))),527 withBundleImage("quay.io/my/bundle-cc", newBundle(t, "csv-cc", "pkg-0", []string{"c"}, newUnstructuredCSV(t, "csv-cc", "csv-c"))),528 withBundleImage("quay.io/my/bundle-c", newBundle(t, "csv-c", "pkg-0", []string{"c"}, newUnstructuredCSV(t, "csv-c", ""))),529 },530 pkgs: []registry.PackageManifest{531 {532 PackageName: "pkg-0",533 Channels: []registry.PackageChannel{534 {535 Name: "a",536 CurrentCSVName: "csv-aaa",537 },538 {539 Name: "b",540 CurrentCSVName: "csv-b",541 },542 {543 Name: "c",544 CurrentCSVName: "csv-cc",545 },546 },547 DefaultChannelName: "b",548 },549 },550 deprecatedPaths: []string{551 "quay.io/my/bundle-aaa",552 },553 },554 expected: expected{555 err: nil,556 deprecated: map[string]struct{}{557 "csv-aaa": {},558 },559 nontruncated: map[string]struct{}{560 "csv-a:b": {},561 "csv-aaa:": {},562 "csv-b:b": {},563 "csv-c:c": {},564 "csv-cc:c": {},565 },566 },567 },568 }569 for _, tt := range tests {570 t.Run(tt.description, func(t *testing.T) {571 db, cleanup := CreateTestDb(t)572 defer cleanup()573 store, err := NewDeprecationAwareLoader(db)574 require.NoError(t, err)575 err = store.Migrate(context.TODO())576 require.NoError(t, err)577 for _, bundle := range tt.fields.bundles {578 require.NoError(t, store.AddOperatorBundle(bundle))579 }580 for _, pkg := range tt.fields.pkgs {581 require.NoError(t, store.AddPackageChannels(pkg))582 }583 for _, deprecatedPath := range tt.fields.deprecatedPaths {584 require.NoError(t, store.DeprecateBundle(deprecatedPath))585 }586 if tt.args.pkg != "" {587 err = store.RemovePackage(tt.args.pkg)588 if tt.expected.err != nil {589 require.Error(t, err)590 } else {591 require.NoError(t, err)592 }593 }594 tx, err := db.Begin()595 require.NoError(t, err)596 checkForBundles := func(query, table string, bundleMap map[string]struct{}) {597 rows, err := tx.Query(query)598 require.NoError(t, err)599 require.NotNil(t, rows)600 var bundleName string601 for rows.Next() {602 require.NoError(t, rows.Scan(&bundleName))603 _, ok := bundleMap[bundleName]604 require.True(t, ok, "bundle shouldn't be in the %s table: %s", table, bundleName)605 delete(bundleMap, bundleName)606 }607 require.Len(t, bundleMap, 0, "not all expected bundles exist in %s table: %v", table, bundleMap)608 }609 checkForBundles(`SELECT operatorbundle_name FROM deprecated`, "deprecated", tt.expected.deprecated)610 // operatorbundle_name:<channel list>611 checkForBundles(`SELECT name||":"|| coalesce(group_concat(distinct channel_name), "") FROM (SELECT name, channel_name from operatorbundle left outer join channel_entry on name=operatorbundle_name order by channel_name) group by name`, "operatorbundle", tt.expected.nontruncated)612 })613 }614}615func TestGetTailFromBundle(t *testing.T) {616 type fields struct {617 bundles []*registry.Bundle618 pkgs []registry.PackageManifest619 }620 type args struct {621 bundle string622 }623 type expected struct {624 err error625 tail map[string]tailBundle626 }627 tests := []struct {628 description string629 fields fields630 args args631 expected expected632 }{633 {634 description: "ContainsDefaultChannel",635 fields: fields{636 bundles: []*registry.Bundle{637 newBundle(t, "csv-a", "pkg-0", []string{"alpha"}, newUnstructuredCSV(t, "csv-a", "csv-b")),638 newBundle(t, "csv-b", "pkg-0", []string{"alpha", "stable"}, newUnstructuredCSV(t, "csv-b", "csv-c")),639 newBundle(t, "csv-c", "pkg-0", []string{"alpha", "stable"}, newUnstructuredCSV(t, "csv-c", "")),640 },641 pkgs: []registry.PackageManifest{642 {643 PackageName: "pkg-0",644 Channels: []registry.PackageChannel{645 {646 Name: "alpha",647 CurrentCSVName: "csv-a",648 },649 {650 Name: "stable",651 CurrentCSVName: "csv-b",652 },653 },654 DefaultChannelName: "stable",655 },656 },657 },658 args: args{659 bundle: "csv-a",660 },661 expected: expected{662 err: registry.ErrRemovingDefaultChannelDuringDeprecation,663 tail: nil,664 },665 },666 {667 description: "ContainsNoDefaultChannel",668 fields: fields{669 bundles: []*registry.Bundle{670 newBundle(t, "csv-a", "pkg-0", []string{"alpha"}, newUnstructuredCSV(t, "csv-a", "csv-b")),671 newBundle(t, "csv-b", "pkg-0", []string{"alpha", "stable"}, newUnstructuredCSV(t, "csv-b", "csv-c")),672 newBundle(t, "csv-c", "pkg-0", []string{"alpha", "stable"}, newUnstructuredCSV(t, "csv-c", "")),673 },674 pkgs: []registry.PackageManifest{675 {676 PackageName: "pkg-0",677 Channels: []registry.PackageChannel{678 {679 Name: "alpha",680 CurrentCSVName: "csv-a",681 },682 {683 Name: "stable",684 CurrentCSVName: "csv-b",685 },686 },687 DefaultChannelName: "alpha",688 },689 },690 },691 args: args{692 bundle: "csv-b",693 },694 expected: expected{695 err: nil,696 tail: map[string]tailBundle{697 "csv-b": {name: "csv-b", channels: []string{"alpha", "stable"}, replaces: []string{"csv-c"}, replacedBy: []string{"csv-a"}},698 "csv-c": {name: "csv-c", channels: []string{"alpha", "stable"}, replacedBy: []string{"csv-b"}},699 },700 },701 },702 {703 description: "ContainsSkips",704 fields: fields{705 bundles: []*registry.Bundle{706 newBundle(t, "csv-a", "pkg-0", []string{"alpha"}, newUnstructuredCSV(t, "csv-a", "csv-b")),707 newBundle(t, "csv-b", "pkg-0", []string{"alpha"}, newUnstructuredCSVWithSkips(t, "csv-b", "csv-c", "csv-d", "csv-e", "csv-f")),708 newBundle(t, "csv-c", "pkg-0", []string{"alpha", "stable"}, newUnstructuredCSV(t, "csv-c", "csv-d")),709 newBundle(t, "csv-d", "pkg-0", []string{"alpha", "stable"}, newUnstructuredCSV(t, "csv-d", "")),710 },711 pkgs: []registry.PackageManifest{712 {713 PackageName: "pkg-0",714 Channels: []registry.PackageChannel{715 {716 Name: "alpha",717 CurrentCSVName: "csv-a",718 },719 {720 Name: "stable",721 CurrentCSVName: "csv-b",722 },723 },724 DefaultChannelName: "alpha",725 },726 },727 },728 args: args{729 bundle: "csv-b",730 },731 expected: expected{732 err: nil,733 tail: map[string]tailBundle{734 "csv-b": {name: "csv-b", channels: []string{"alpha", "stable"}, replaces: []string{"csv-c", "csv-d", "csv-e", "csv-f"}, replacedBy: []string{"csv-a"}},735 "csv-c": {name: "csv-c", channels: []string{"alpha", "stable"}, replaces: []string{"csv-d"}, replacedBy: []string{"csv-b"}},736 "csv-d": {name: "csv-d", channels: []string{"alpha", "stable"}, replacedBy: []string{"csv-b", "csv-c"}},737 "csv-e": {name: "csv-e", channels: []string{"alpha", "stable"}, replacedBy: []string{"csv-b"}},738 "csv-f": {name: "csv-f", channels: []string{"alpha", "stable"}, replacedBy: []string{"csv-b"}},739 },740 },741 },742 {743 description: "ContainsDefaultChannelFromSkips",744 fields: fields{745 bundles: []*registry.Bundle{746 newBundle(t, "csv-a", "pkg-0", []string{"alpha"}, newUnstructuredCSV(t, "csv-a", "csv-b")),747 newBundle(t, "csv-b", "pkg-0", []string{"alpha"}, newUnstructuredCSVWithSkips(t, "csv-b", "csv-d", "csv-c")),748 newBundle(t, "csv-c", "pkg-0", []string{"alpha", "stable"}, newUnstructuredCSV(t, "csv-c", "csv-d")),749 newBundle(t, "csv-d", "pkg-0", []string{"alpha", "stable"}, newUnstructuredCSV(t, "csv-d", "")),750 },751 pkgs: []registry.PackageManifest{752 {753 PackageName: "pkg-0",754 Channels: []registry.PackageChannel{755 {756 Name: "alpha",757 CurrentCSVName: "csv-a",758 },759 {760 Name: "stable",761 CurrentCSVName: "csv-c",762 },763 },764 DefaultChannelName: "stable",765 },766 },767 },768 args: args{769 bundle: "csv-b",770 },771 expected: expected{772 err: registry.ErrRemovingDefaultChannelDuringDeprecation,773 tail: nil,774 },775 },776 {777 /*778 0.1.2 <- 0.1.1 <- 0.1.0779 V (skips)780 1.1.2 <- 1.1.1 <- 1.1.0781 */782 description: "branchPoint",783 fields: fields{784 bundles: []*registry.Bundle{785 newBundle(t, "csv-0.1.0", "pkg-0", []string{"0.1.x"}, newUnstructuredCSV(t, "csv-0.1.0", "")),786 newBundle(t, "csv-0.1.1", "pkg-0", []string{"0.1.x", "lts"}, newUnstructuredCSV(t, "csv-0.1.1", "csv-0.1.0")),787 newBundle(t, "csv-0.1.2", "pkg-0", []string{"0.1.x"}, newUnstructuredCSV(t, "csv-0.1.2", "csv-0.1.1")),788 newBundle(t, "csv-1.1.0", "pkg-0", []string{"1.1.x"}, newUnstructuredCSV(t, "csv-1.1.0", "")),789 newBundle(t, "csv-1.1.1", "pkg-0", []string{"1.1.x", "lts"}, newUnstructuredCSVWithSkips(t, "csv-1.1.1", "csv-1.1.0", "csv-0.1.1")),790 newBundle(t, "csv-1.1.2", "pkg-0", []string{"1.1.x", "lts"}, newUnstructuredCSV(t, "csv-1.1.2", "csv-1.1.1")),791 },792 pkgs: []registry.PackageManifest{793 {794 PackageName: "pkg-0",795 Channels: []registry.PackageChannel{796 {797 Name: "0.1.x",798 CurrentCSVName: "csv-0.1.2",799 },800 {801 Name: "1.1.x",802 CurrentCSVName: "csv-1.1.2",803 },804 {805 Name: "lts",806 CurrentCSVName: "csv-1.1.2",807 },808 },809 DefaultChannelName: "0.1.x",810 },811 },812 },813 args: args{814 bundle: "csv-1.1.2",815 },816 expected: expected{817 err: nil,818 tail: map[string]tailBundle{819 "csv-1.1.2": {name: "csv-1.1.2", channels: []string{"1.1.x", "lts"}, replaces: []string{"csv-1.1.1"}},820 "csv-1.1.1": {name: "csv-1.1.1", channels: []string{"1.1.x", "lts"}, replaces: []string{"csv-0.1.1", "csv-1.1.0"}, replacedBy: []string{"csv-1.1.2"}},821 "csv-1.1.0": {name: "csv-1.1.0", channels: []string{"1.1.x", "lts"}, replacedBy: []string{"csv-1.1.1"}},822 "csv-0.1.1": {name: "csv-0.1.1", channels: []string{"0.1.x", "1.1.x", "lts"}, replaces: []string{"csv-0.1.0"}, replacedBy: []string{"csv-0.1.2", "csv-1.1.1"}}, // 0.1.2 present in replacedBy but not in tail823 "csv-0.1.0": {name: "csv-0.1.0", channels: []string{"0.1.x"}, replacedBy: []string{"csv-0.1.1"}},824 },825 },826 },827 }828 for _, tt := range tests {829 t.Run(tt.description, func(t *testing.T) {830 db, cleanup := CreateTestDb(t)831 defer cleanup()832 store, err := NewSQLLiteLoader(db)833 require.NoError(t, err)834 err = store.Migrate(context.TODO())835 require.NoError(t, err)836 for _, bundle := range tt.fields.bundles {837 require.NoError(t, store.AddOperatorBundle(bundle))838 }839 for _, pkg := range tt.fields.pkgs {840 require.NoError(t, store.AddPackageChannels(pkg))841 }842 tx, err := db.Begin()843 require.NoError(t, err)844 tail, err := getTailFromBundle(tx, tt.args.bundle)845 require.Equal(t, tt.expected.err, err)846 require.EqualValues(t, tt.expected.tail, tail)847 })848 }849}850func TestAddBundlePropertiesFromAnnotations(t *testing.T) {851 mustMarshal := func(u interface{}) string {852 v, err := json.Marshal(u)853 require.NoError(t, err)854 return string(v)855 }856 type in struct {857 annotations map[string]string858 }859 type expect struct {860 err bool861 }862 for _, tt := range []struct {863 description string864 in in865 expect expect866 }{867 {868 description: "Invalid/Properties",869 in: in{870 annotations: map[string]string{871 registry.PropertyKey: "bad_properties",872 },873 },874 expect: expect{875 err: true,876 },877 },878 {879 description: "Invalid/KnownType/Label",880 in: in{881 annotations: map[string]string{882 registry.PropertyKey: fmt.Sprintf(`[{"type": "%s", "value": "bad_value"}]`, registry.LabelType),883 },884 },885 expect: expect{886 err: true,887 },888 },889 {890 description: "Invalid/KnownType/Package",891 in: in{892 annotations: map[string]string{893 registry.PropertyKey: fmt.Sprintf(`[{"type": "%s", "value": "bad_value"}]`, registry.PackageType),894 },895 },896 expect: expect{897 err: true,898 },899 },900 {901 description: "Invalid/KnownType/GVK",902 in: in{903 annotations: map[string]string{904 registry.PropertyKey: fmt.Sprintf(`[{"type": "%s", "value": "bad_value"}]`, registry.GVKType),905 },906 },907 expect: expect{908 err: true,909 },910 },911 {912 description: "Valid/KnownTypes",913 in: in{914 annotations: map[string]string{915 registry.PropertyKey: mustMarshal([]interface{}{916 registry.LabelProperty{917 Label: "sulaco",918 },919 registry.PackageProperty{920 PackageName: "lv-426",921 Version: "1.0.0",922 },923 registry.GVKProperty{924 Group: "weyland.io",925 Kind: "Dropship",926 Version: "v1",927 },928 registry.DeprecatedProperty{},929 }),930 },931 },932 expect: expect{933 err: false,934 },935 },936 {937 description: "Valid/UnknownType", // Unknown types are handled as opaque blobs938 in: in{939 annotations: map[string]string{940 registry.PropertyKey: fmt.Sprintf(`[{"type": "%s", "value": "anything_value"}]`, "anything"),941 },942 },943 expect: expect{944 err: false,945 },946 },947 } {948 t.Run(tt.description, func(t *testing.T) {949 db, cleanup := CreateTestDb(t)950 defer cleanup()951 s, err := NewSQLLiteLoader(db)952 store := s.(*sqlLoader)953 require.NoError(t, err)954 require.NoError(t, store.Migrate(context.TODO()))955 tx, err := db.Begin()956 require.NoError(t, err)957 csv := newUnstructuredCSV(t, "ripley", "")958 csv.SetAnnotations(tt.in.annotations)959 err = store.addBundleProperties(tx, newBundle(t, csv.GetName(), "lv-426", nil, csv))960 if tt.expect.err {961 require.Error(t, err)962 return963 }964 require.NoError(t, err)965 })966 }967}968func TestRemoveOverwrittenChannelHead(t *testing.T) {969 type fields struct {970 bundles []*registry.Bundle971 pkgs []registry.PackageManifest972 }973 type args struct {974 bundle string975 pkg string976 }977 type expected struct {978 err error979 bundles map[string]struct{}980 }981 tests := []struct {982 description string983 fields fields984 args args985 expected expected986 }{987 {988 description: "ChannelHead/SingleBundlePackage",989 fields: fields{990 bundles: []*registry.Bundle{991 newBundle(t, "csv-a", "pkg-0", []string{"a", "b"}, newUnstructuredCSV(t, "csv-a", "")),992 newBundle(t, "csv-b", "pkg-1", []string{"a", "b"}, newUnstructuredCSV(t, "csv-b", "")),993 },994 pkgs: []registry.PackageManifest{995 {996 PackageName: "pkg-0",997 Channels: []registry.PackageChannel{998 {999 Name: "a",1000 CurrentCSVName: "csv-a",1001 },1002 {1003 Name: "b",1004 CurrentCSVName: "csv-a",1005 },1006 },1007 DefaultChannelName: "a",1008 },1009 {1010 PackageName: "pkg-1",1011 Channels: []registry.PackageChannel{1012 {1013 Name: "a",1014 CurrentCSVName: "csv-b",1015 },1016 {1017 Name: "b",1018 CurrentCSVName: "csv-b",1019 },1020 },1021 DefaultChannelName: "a",1022 },1023 },1024 },1025 args: args{1026 bundle: "csv-a",1027 pkg: "pkg-0",1028 },1029 expected: expected{1030 bundles: map[string]struct{}{1031 "pkg-1/a/csv-b": {},1032 "pkg-1/b/csv-b": {},1033 },1034 },1035 },1036 {1037 description: "ChannelHead/WithReplacement",1038 fields: fields{1039 bundles: []*registry.Bundle{1040 newBundle(t, "csv-a", "pkg-0", []string{"a", "b"}, newUnstructuredCSV(t, "csv-a", "")),1041 newBundle(t, "csv-aa", "pkg-0", []string{"b"}, newUnstructuredCSV(t, "csv-aa", "csv-a")),1042 },1043 pkgs: []registry.PackageManifest{1044 {1045 PackageName: "pkg-0",1046 Channels: []registry.PackageChannel{1047 {1048 Name: "a",1049 CurrentCSVName: "csv-a",1050 },1051 {1052 Name: "b",1053 CurrentCSVName: "csv-aa",1054 },1055 },1056 DefaultChannelName: "b",1057 },1058 },1059 },1060 args: args{1061 bundle: "csv-a",1062 pkg: "pkg-0",1063 },1064 expected: expected{1065 err: fmt.Errorf("cannot overwrite bundle csv-a from package pkg-0: replaced by csv-aa on channel b"),1066 bundles: map[string]struct{}{1067 "pkg-0/a/csv-a": {},1068 "pkg-0/b/csv-a": {},1069 "pkg-0/b/csv-aa": {},1070 },1071 },1072 },1073 {1074 description: "ChannelHead",1075 fields: fields{1076 bundles: []*registry.Bundle{1077 newBundle(t, "csv-a", "pkg-0", []string{"a", "b"}, newUnstructuredCSVWithSkips(t, "csv-a", "csv-b", "csv-c")),1078 newBundle(t, "csv-b", "pkg-0", []string{"b", "d"}, newUnstructuredCSV(t, "csv-b", "")),1079 newBundle(t, "csv-d", "pkg-0", []string{"d"}, newUnstructuredCSV(t, "csv-d", "csv-b")),1080 newBundle(t, "csv-c", "pkg-0", []string{"c"}, newUnstructuredCSV(t, "csv-c", "")),1081 },1082 pkgs: []registry.PackageManifest{1083 {1084 PackageName: "pkg-0",1085 Channels: []registry.PackageChannel{1086 {1087 Name: "a",1088 CurrentCSVName: "csv-a",1089 },1090 {1091 Name: "b",1092 CurrentCSVName: "csv-a",1093 },1094 {1095 Name: "c",1096 CurrentCSVName: "csv-c",1097 },1098 {1099 Name: "d",1100 CurrentCSVName: "csv-d",1101 },1102 },1103 DefaultChannelName: "a",1104 },1105 },1106 },1107 args: args{1108 bundle: "csv-a",1109 pkg: "pkg-0",1110 },1111 expected: expected{1112 err: nil,1113 bundles: map[string]struct{}{1114 "pkg-0/a/csv-b": {},1115 "pkg-0/b/csv-b": {},1116 "pkg-0/a/csv-c": {},1117 "pkg-0/b/csv-c": {},1118 "pkg-0/c/csv-c": {},1119 "pkg-0/d/csv-d": {},1120 "pkg-0/d/csv-b": {},1121 },1122 },1123 },1124 {1125 description: "PersistDefaultChannel",1126 fields: fields{1127 bundles: []*registry.Bundle{1128 newBundle(t, "csv-a", "pkg-0", []string{"a"}, newUnstructuredCSV(t, "csv-a", "")),1129 newBundle(t, "csv-b", "pkg-0", []string{"b"}, newUnstructuredCSV(t, "csv-b", "")),1130 },1131 pkgs: []registry.PackageManifest{1132 {1133 PackageName: "pkg-0",1134 Channels: []registry.PackageChannel{1135 {1136 Name: "a",1137 CurrentCSVName: "csv-a",1138 },1139 {1140 Name: "b",1141 CurrentCSVName: "csv-b",1142 },1143 },1144 DefaultChannelName: "a",1145 },1146 },1147 },1148 args: args{1149 bundle: "csv-a",1150 pkg: "pkg-0",1151 },1152 expected: expected{1153 err: nil,1154 bundles: map[string]struct{}{1155 "pkg-0/b/csv-b": {},1156 },1157 },1158 },1159 }1160 for _, tt := range tests {1161 t.Run(tt.description, func(t *testing.T) {1162 db, cleanup := CreateTestDb(t)1163 defer cleanup()1164 store, err := NewSQLLiteLoader(db)1165 require.NoError(t, err)1166 err = store.Migrate(context.Background())1167 require.NoError(t, err)1168 for _, bundle := range tt.fields.bundles {1169 // Throw away any errors loading bundles (not testing this)1170 store.AddOperatorBundle(bundle)1171 }1172 for _, pkg := range tt.fields.pkgs {1173 // Throw away any errors loading packages (not testing this)1174 store.AddPackageChannels(pkg)1175 }1176 getDefaultChannel := func(pkg string) sql.NullString {1177 // get defaultChannel before delete1178 rows, err := db.QueryContext(context.Background(), `SELECT default_channel FROM package WHERE name = ?`, pkg)1179 require.NoError(t, err)1180 defer rows.Close()1181 var defaultChannel sql.NullString1182 for rows.Next() {1183 require.NoError(t, rows.Scan(&defaultChannel))1184 break1185 }1186 return defaultChannel1187 }1188 oldDefaultChannel := getDefaultChannel(tt.args.pkg)1189 err = store.(registry.HeadOverwriter).RemoveOverwrittenChannelHead(tt.args.pkg, tt.args.bundle)1190 if tt.expected.err != nil {1191 require.EqualError(t, err, tt.expected.err.Error())1192 } else {1193 require.NoError(t, err)1194 }1195 querier := NewSQLLiteQuerierFromDb(db)1196 bundles, err := querier.ListBundles(context.Background())1197 require.NoError(t, err)1198 var extra []string1199 for _, b := range bundles {1200 key := fmt.Sprintf("%s/%s/%s", b.PackageName, b.ChannelName, b.CsvName)1201 if _, ok := tt.expected.bundles[key]; ok {1202 delete(tt.expected.bundles, key)1203 } else {1204 extra = append(extra, key)1205 }1206 }1207 if len(tt.expected.bundles) > 0 {1208 t.Errorf("not all expected bundles were found: missing %v", tt.expected.bundles)1209 }1210 if len(extra) > 0 {1211 t.Errorf("unexpected bundles found: %v", extra)1212 }1213 // should preserve defaultChannel entry in package table1214 currentDefaultChannel := getDefaultChannel(tt.args.pkg)1215 require.Equal(t, oldDefaultChannel, currentDefaultChannel)1216 })1217 }1218}...
packagemanifest.go
Source:packagemanifest.go
...7const (8 // The yaml attribute that specifies the related images of the ClusterServiceVersion9 relatedImages = "relatedImages"10)11// CreateCSVDescription creates a CSVDescription from a given CSV12func CreateCSVDescription(csv *operatorsv1alpha1.ClusterServiceVersion, csvJSON string) CSVDescription {13 desc := CSVDescription{14 DisplayName: csv.Spec.DisplayName,15 Version: csv.Spec.Version,16 Provider: AppLink{17 Name: csv.Spec.Provider.Name,18 URL: csv.Spec.Provider.URL,19 },20 Annotations: csv.GetAnnotations(),21 LongDescription: csv.Spec.Description,22 InstallModes: csv.Spec.InstallModes,23 CustomResourceDefinitions: operatorsv1alpha1.CustomResourceDefinitions{24 Owned: descriptionsForCRDs(csv.Spec.CustomResourceDefinitions.Owned),25 Required: descriptionsForCRDs(csv.Spec.CustomResourceDefinitions.Required),26 },27 APIServiceDefinitions: operatorsv1alpha1.APIServiceDefinitions{28 Owned: descriptionsForAPIServices(csv.Spec.APIServiceDefinitions.Owned),29 Required: descriptionsForAPIServices(csv.Spec.APIServiceDefinitions.Required),30 },31 NativeAPIs: csv.Spec.NativeAPIs,32 MinKubeVersion: csv.Spec.MinKubeVersion,33 RelatedImages: GetImages(csvJSON),34 Keywords: csv.Spec.Keywords,35 Maturity: csv.Spec.Maturity,36 }37 icons := make([]Icon, len(csv.Spec.Icon))38 for i, icon := range csv.Spec.Icon {39 icons[i] = Icon{40 Base64Data: icon.Data,41 Mediatype: icon.MediaType,42 }43 }44 if len(icons) > 0 {45 desc.Icon = icons46 }47 desc.Links = make([]AppLink, len(csv.Spec.Links))48 for i, link := range csv.Spec.Links {49 desc.Links[i] = AppLink{50 Name: link.Name,51 URL: link.URL,52 }53 }54 desc.Maintainers = make([]Maintainer, len(csv.Spec.Maintainers))55 for i, maintainer := range csv.Spec.Maintainers {56 desc.Maintainers[i] = Maintainer{57 Name: maintainer.Name,58 Email: maintainer.Email,59 }60 }61 return desc62}63// descriptionsForCRDs filters certain fields from provided API descriptions to reduce response size.64func descriptionsForCRDs(crds []operatorsv1alpha1.CRDDescription) []operatorsv1alpha1.CRDDescription {65 descriptions := []operatorsv1alpha1.CRDDescription{}66 for _, crd := range crds {67 descriptions = append(descriptions, operatorsv1alpha1.CRDDescription{68 Name: crd.Name,69 Version: crd.Version,70 Kind: crd.Kind,71 DisplayName: crd.DisplayName,72 Description: crd.Description,73 })74 }75 return descriptions76}77// descriptionsForAPIServices filters certain fields from provided API descriptions to reduce response size.78func descriptionsForAPIServices(apis []operatorsv1alpha1.APIServiceDescription) []operatorsv1alpha1.APIServiceDescription {79 descriptions := []operatorsv1alpha1.APIServiceDescription{}80 for _, api := range apis {81 descriptions = append(descriptions, operatorsv1alpha1.APIServiceDescription{82 Name: api.Name,83 Group: api.Group,84 Version: api.Version,85 Kind: api.Kind,86 DisplayName: api.DisplayName,87 Description: api.Description,88 })89 }90 return descriptions91}92// GetImages returns a list of images listed in CSV (spec and deployments)93func GetImages(csvJSON string) []string {94 var images []string95 csv := &opregistry.ClusterServiceVersion{}96 err := json.Unmarshal([]byte(csvJSON), &csv)97 if err != nil {98 return images99 }100 imageSet, err := csv.GetOperatorImages()101 if err != nil {...
Description
Using AI Code Generation
1import (2func main() {3 file, err := os.Open("data.csv")4 if err != nil {5 fmt.Println(err)6 }7 defer file.Close()8 reader := csv.NewReader(file)9 fmt.Println(reader.Comma)10 fmt.Println(reader.LazyQuotes)11 fmt.Println(reader.FieldsPerRecord)12 fmt.Println(reader.Comment)13 fmt.Println(reader.TrimLeadingSpace)14}15import (16func main() {17 file, err := os.Open("data.csv")18 if err != nil {19 fmt.Println(err)20 }21 defer file.Close()22 reader := csv.NewReader(file)23 for {24 record, err := reader.Read()25 if err == io.EOF {26 }27 if err != nil {28 fmt.Println(err)29 }30 fmt.Println(record)31 }32}33import (34func main() {35 file, err := os.Open("data.csv")36 if err != nil {37 fmt.Println(err)38 }39 defer file.Close()40 reader := csv.NewReader(file)41 records, err := reader.ReadAll()42 if err != nil {43 fmt.Println(err)44 }45 for _, record := range records {46 fmt.Println(record)47 }48}49import (50func main() {51 file, err := os.Open("data.csv")52 if err != nil {53 fmt.Println(err)54 }55 defer file.Close()56 reader := csv.NewReader(file)57 reader.Comma = ';'58 for {59 record, err := reader.Read()60 if err == io.EOF {61 }62 if err != nil {63 fmt.Println(err)64 }65 fmt.Println(record)66 }67}
Description
Using AI Code Generation
1import (2func main() {3 csvfile, err := os.Open("data.csv")4 if err != nil {5 fmt.Println(err)6 }7 r := csv.NewReader(csvfile)8 for {9 record, err := r.Read()10 if err == io.EOF {11 }12 if err != nil {13 fmt.Println(err)14 }15 fmt.Println(record)16 }17}
Description
Using AI Code Generation
1import (2func main() {3 f, err := os.Open("test.csv")4 if err != nil {5 fmt.Println(err)6 }7 defer f.Close()8 r := csv.NewReader(f)9 records, err := r.ReadAll()10 if err != nil {11 fmt.Println(err)12 }13 fmt.Println(records)14 columns := r.FieldsPerRecord()15 fmt.Println("Columns:", columns)16 fmt.Println("Description:", r.Description())17}18import (19func main() {20 f, err := os.Open("test.csv")21 if err != nil {22 fmt.Println(err)23 }24 defer f.Close()25 r := csv.NewReader(f)26 records, err := r.ReadAll()27 if err != nil {28 fmt.Println(err)29 }30 fmt.Println(records)31 columns := r.FieldsPerRecord()32 fmt.Println("Columns:", columns)33 fmt.Println("Description:", r.Description())34 f.Seek(0, 0)35 for {36 record, err := r.Read()37 if err == io.EOF {38 }39 if err != nil {40 fmt.Println(err)41 }42 fmt.Println("Record:", record)43 }44}45import (46func main() {47 f, err := os.Open("test.csv")48 if err != nil {49 fmt.Println(err)50 }51 defer f.Close()52 r := csv.NewReader(f)53 records, err := r.ReadAll()54 if err != nil {55 fmt.Println(err)56 }57 fmt.Println(records)58 columns := r.FieldsPerRecord()59 fmt.Println("Columns:", columns)60 fmt.Println("Description:", r.Description())61 f.Seek(0
Description
Using AI Code Generation
1import (2func main() {3 csvFile, err := os.Open("data.csv")4 if err != nil {5 fmt.Println(err)6 }7 defer csvFile.Close()8 r := csv.NewReader(csvFile)9 fmt.Println("Description of csv file: ", r.ReadAll())10}
Description
Using AI Code Generation
1import (2func main() {3 f, _ := os.Open("data.csv")4 r := csv.NewReader(f)5 columns, _ := r.Read()6 fmt.Println(columns)7 rows, _ := r.ReadAll()8 fmt.Println(rows)9}10import (11func main() {12 f, _ := os.Open("data.csv")13 r := csv.NewReader(f)14 columns, _ := r.Read()15 fmt.Println(columns)16 rows, _ := r.ReadAll()17 fmt.Println(rows)18}19import (20func main() {21 f, _ := os.Open("data.csv")22 r := csv.NewReader(f)23 columns, _ := r.Read()24 fmt.Println(columns)25 rows, _ := r.ReadAll()26 fmt.Println(rows)27}28import (29func main() {30 f, _ := os.Open("data.csv")31 r := csv.NewReader(f)32 columns, _ := r.Read()33 fmt.Println(columns)34 rows, _ := r.ReadAll()35 fmt.Println(rows)36}
Description
Using AI Code Generation
1import (2func main() {3 csvfile, err := os.Open("data.csv")4 if err != nil {5 fmt.Println(err)6 }7 defer csvfile.Close()8 r := csv.NewReader(csvfile)9 for {10 record, err := r.Read()11 if err == io.EOF {12 }13 if err != nil {14 fmt.Println(err)15 }16 }17}18ReadAll() method19import (20func main() {21 csvfile, err := os.Open("data.csv")22 if err != nil {23 fmt.Println(err)24 }25 defer csvfile.Close()26 r := csv.NewReader(csvfile)27 records, err := r.ReadAll()28 if err != nil {29 fmt.Println(err)30 }31 for _, item := range records {32 fmt.Println(item)33 }34}35Write() method36The Write() method writes a single record to w along with any necessary quoting. A record is a slice of strings with each string being one field. A call to w.Write(record) writes a single line (record) to w, followed by a line feed. The record may be too long to fit
Description
Using AI Code Generation
1import (2func main() {3 f, _ := os.Open("data.csv")4 r := csv.NewReader(f)5 r.Comma = ';'6 r.Read()7 fmt.Println(r.Description())8}9import (10func main() {11 f, _ := os.Open("data.csv")12 r := csv.NewReader(f)13 r.Comma = ';'14 records, _ := r.ReadAll()15 fmt.Println(records)16}17import (18func main() {19 f, _ := os.Open("data.csv")20 r := csv.NewReader(f)21 r.Comma = ';'22 record, _ := r.Read()23 fmt.Println(record)24}25import (26func main() {27 f, _ := os.Create("data.csv")28 w := csv.NewWriter(f)29 w.Comma = ';'30 w.WriteAll([][]string{{"id", "name", "age"}, {"1", "John", "21"}, {"2", "Doe", "35"}})31 w.Flush()32 fmt.Println("done")33}34import (35func main() {36 f, _ := os.Create("data.csv")37 w := csv.NewWriter(f)38 w.Comma = ';'39 w.Write([]string{"id", "name", "age
Description
Using AI Code Generation
1import (2func main() {3 file, err := os.Create("test.csv")4 if err != nil {5 fmt.Println("Error:", err)6 }7 defer file.Close()8 writer := csv.NewWriter(file)9 writer.Write([]string{"Name", "Address", "Phone"})10 writer.Write([]string{"John Doe", "123 Main Street", "555-1234"})11 writer.Write([]string{"Jane Doe", "456 Main Street", "555-5678"})12 writer.Flush()13 desc := writer.Describe()14 fmt.Println(desc)15}16{Delimiter: , Quote: ", Comment: #, FieldsPerRecord: 0, LazyQuotes: false, TrailingComma: false}17Go CSV Writer WriteAll() Method18import (19func main() {20 file, err := os.Create("test.csv")21 if err != nil {22 fmt.Println("Error:", err)23 }24 defer file.Close()25 writer := csv.NewWriter(file)26 writer.WriteAll([][]string{27 {"Name", "Address", "Phone"},28 {"John Doe", "123 Main Street", "555-1234"},29 {"Jane Doe", "456 Main Street", "555-5678"},30 })31 writer.Flush()32}33Go CSV Writer Error() Method
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Most used method in
- String
- TimeFormatString
- TimeFormatValues
- IsATimeFormat
- TestNewConfig
- TestApply
- TestParseArg
- TestMakeHeader
- TestSampleToRow
- readUnCompressedFile
- readCompressedFile
- TestRun
- sortExtraTagsForTest
- New
- newOutput
- Description
- Start
- Stop
- flushMetrics
- MakeHeader
- SampleToRow
- IsStringInSlice
- NewConfig
- Apply
- ParseArg
- GetConsolidatedConfig
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