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[chore] generate tests to test component lifecycle, specifically for …
…exporters. (open-telemetry#29284) This relates to open-telemetry#27849
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| // Code generated by mdatagen. DO NOT EDIT. | ||
|
|
||
| package {{ .Package }} | ||
|
|
||
| import ( | ||
| "context" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/require" | ||
| "go.opentelemetry.io/collector/component" | ||
| "go.opentelemetry.io/collector/component/componenttest" | ||
| {{ if isExporter }} | ||
| "go.opentelemetry.io/collector/exporter" | ||
| "go.opentelemetry.io/collector/exporter/exportertest" | ||
| {{ end }} | ||
| "go.opentelemetry.io/collector/confmap/confmaptest" | ||
|
|
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| "github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal/testdata" | ||
| ) | ||
|
|
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| // assertNoErrorHost implements a component.Host that asserts that there were no errors. | ||
| type assertNoErrorHost struct { | ||
| component.Host | ||
| *testing.T | ||
| } | ||
|
|
||
| var _ component.Host = (*assertNoErrorHost)(nil) | ||
|
|
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| // newAssertNoErrorHost returns a new instance of assertNoErrorHost. | ||
| func newAssertNoErrorHost(t *testing.T) component.Host { | ||
| return &assertNoErrorHost{ | ||
| componenttest.NewNopHost(), | ||
| t, | ||
| } | ||
| } | ||
|
|
||
| func (aneh *assertNoErrorHost) ReportFatalError(err error) { | ||
| assert.NoError(aneh, err) | ||
| } | ||
|
|
||
|
|
||
| {{ if isExporter }} | ||
| func Test_ComponentLifecycle(t *testing.T) { | ||
| factory := NewFactory() | ||
|
|
||
| tests := []struct{ | ||
| name string | ||
| createFn func(ctx context.Context, set exporter.CreateSettings, cfg component.Config) (component.Component, error) | ||
| }{ | ||
| {{ if supportsLogs }} | ||
| { | ||
| name: "logs", | ||
| createFn: func(ctx context.Context, set exporter.CreateSettings, cfg component.Config) (component.Component, error) { | ||
| return factory.CreateLogsExporter(ctx, set, cfg) | ||
| }, | ||
| }, | ||
| {{ end }} | ||
| {{ if supportsMetrics }} | ||
| { | ||
| name: "metrics", | ||
| createFn: func(ctx context.Context, set exporter.CreateSettings, cfg component.Config) (component.Component, error) { | ||
| return factory.CreateMetricsExporter(ctx, set, cfg) | ||
| }, | ||
| }, | ||
| {{ end }} | ||
| {{ if supportsTraces }} | ||
| { | ||
| name: "traces", | ||
| createFn: func(ctx context.Context, set exporter.CreateSettings, cfg component.Config) (component.Component, error) { | ||
| return factory.CreateTracesExporter(ctx, set, cfg) | ||
| }, | ||
| }, | ||
| {{ end }} | ||
| } | ||
|
|
||
| cm, err := confmaptest.LoadConf("metadata.yaml") | ||
| require.NoError(t, err) | ||
| cfg := factory.CreateDefaultConfig() | ||
| sub, err := cm.Sub("tests::config") | ||
| require.NoError(t, err) | ||
| require.NoError(t, component.UnmarshalConfig(sub, cfg)) | ||
|
|
||
| for _, test := range tests { | ||
| t.Run(test.name + "-shutdown", func(t *testing.T) { | ||
| c, err := test.createFn(context.Background(), exportertest.NewNopCreateSettings(), cfg) | ||
| require.NoError(t, err) | ||
| err = c.Shutdown(context.Background()) | ||
| require.NoError(t, err) | ||
| }) | ||
|
|
||
| t.Run(test.name + "-lifecycle", func(t *testing.T) { | ||
| {{ if skipLifecycle }} | ||
| // TODO support lifecycle | ||
| t.SkipNow() | ||
| {{ end }} | ||
| c, err := test.createFn(context.Background(), exportertest.NewNopCreateSettings(), cfg) | ||
| require.NoError(t, err) | ||
| host := newAssertNoErrorHost(t) | ||
| err = c.Start(context.Background(), host) | ||
| require.NoError(t, err) | ||
| assert.NotPanics(t, func() { | ||
| switch e := c.(type) { | ||
| case exporter.Logs: | ||
| logs := testdata.GenerateLogsManyLogRecordsSameResource(2) | ||
| if !e.Capabilities().MutatesData { | ||
| logs.MarkReadOnly() | ||
| } | ||
| err = e.ConsumeLogs(context.Background(), logs) | ||
| case exporter.Metrics: | ||
| metrics := testdata.GenerateMetricsTwoMetrics() | ||
| if !e.Capabilities().MutatesData { | ||
| metrics.MarkReadOnly() | ||
| } | ||
| err = e.ConsumeMetrics(context.Background(), metrics) | ||
| case exporter.Traces: | ||
| traces := testdata.GenerateTracesTwoSpansSameResource() | ||
| if !e.Capabilities().MutatesData { | ||
| traces.MarkReadOnly() | ||
| } | ||
| err = e.ConsumeTraces(context.Background(), traces) | ||
| } | ||
| }) | ||
| {{ if not expectConsumerError }} | ||
| assert.NoError(t, err) | ||
| {{ end }} | ||
| err = c.Shutdown(context.Background()) | ||
| require.NoError(t, err) | ||
| }) | ||
| } | ||
| } | ||
| {{ end }} |
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