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Add unit tests for clickhouse factory
Signed-off-by: haanhvu <[email protected]>
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// Copyright (c) 2023 The Jaeger Authors. | ||
// SPDX-License-Identifier: Apache-2.0 | ||
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package clickhouse | ||
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import ( | ||
"context" | ||
"database/sql" | ||
"database/sql/driver" | ||
"strings" | ||
"testing" | ||
"time" | ||
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"github.com/stretchr/testify/require" | ||
"go.opentelemetry.io/collector/pdata/pcommon" | ||
"go.opentelemetry.io/collector/pdata/ptrace" | ||
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"go.uber.org/zap" | ||
) | ||
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func TestExportSpans(t *testing.T) { | ||
t.Run("create factory and export spans", func(t *testing.T) { | ||
var items int | ||
initClickhouseTestServer(t, func(query string, values []driver.Value) error { | ||
if strings.HasPrefix(query, "INSERT") { | ||
items++ | ||
require.Equal(t, "test-operation", values[4]) | ||
require.Equal(t, "test-service", values[5]) | ||
require.Equal(t, []string{"attKey0", "attKey1"}, values[6]) | ||
require.Equal(t, []string{"attVal0", "attVal1"}, values[7]) | ||
} | ||
return nil | ||
}) | ||
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c := Config{ | ||
Endpoint: "clickhouse://127.0.0.1:9000", | ||
SpansTableName: "jaeger_spans", | ||
} | ||
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f := NewFactory(context.TODO(), c, zap.NewNop()) | ||
require.NotNil(t, f.client) | ||
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err := f.CreateSpansTable(context.TODO()) | ||
require.Nil(t, err) | ||
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err = f.ExportSpans(context.TODO(), createTraces(5)) | ||
require.Nil(t, err) | ||
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err = f.ExportSpans(context.TODO(), createTraces(10)) | ||
require.Nil(t, err) | ||
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require.Equal(t, 15, items) | ||
}) | ||
} | ||
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func createTraces(count int) ptrace.Traces { | ||
traces := ptrace.NewTraces() | ||
rs := traces.ResourceSpans().AppendEmpty() | ||
rs.Resource().Attributes().PutStr("service.name", "test-service") | ||
ss := rs.ScopeSpans().AppendEmpty() | ||
for i := 0; i < count; i++ { | ||
s := ss.Spans().AppendEmpty() | ||
s.SetStartTimestamp(pcommon.NewTimestampFromTime(time.Now())) | ||
s.SetEndTimestamp(pcommon.NewTimestampFromTime(time.Now())) | ||
s.Attributes().PutStr("attKey0", "attVal0") | ||
s.Attributes().PutStr("attKey1", "attVal1") | ||
s.SetName("test-operation") | ||
} | ||
return traces | ||
} | ||
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func initClickhouseTestServer(t *testing.T, recorder recorder) { | ||
sql.Register("", &testClickhouseDriver{ | ||
recorder: recorder, | ||
}) | ||
} | ||
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type recorder func(query string, values []driver.Value) error | ||
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type testClickhouseDriver struct { | ||
recorder recorder | ||
} | ||
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func (t *testClickhouseDriver) Open(_ string) (driver.Conn, error) { | ||
return &testClickhouseDriverConn{ | ||
recorder: t.recorder, | ||
}, nil | ||
} | ||
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type testClickhouseDriverConn struct { | ||
recorder recorder | ||
} | ||
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func (*testClickhouseDriverConn) Begin() (driver.Tx, error) { | ||
return &testClickhouseDriverTx{}, nil | ||
} | ||
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func (*testClickhouseDriverConn) Close() error { | ||
return nil | ||
} | ||
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func (t *testClickhouseDriverConn) Prepare(query string) (driver.Stmt, error) { | ||
return &testClickhouseDriverStmt{ | ||
query: query, | ||
recorder: t.recorder, | ||
}, nil | ||
} | ||
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func (*testClickhouseDriverConn) CheckNamedValue(_ *driver.NamedValue) error { | ||
return nil | ||
} | ||
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type testClickhouseDriverTx struct{} | ||
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func (*testClickhouseDriverTx) Commit() error { | ||
return nil | ||
} | ||
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func (*testClickhouseDriverTx) Rollback() error { | ||
return nil | ||
} | ||
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type testClickhouseDriverStmt struct { | ||
query string | ||
recorder recorder | ||
} | ||
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func (*testClickhouseDriverStmt) Close() error { | ||
return nil | ||
} | ||
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func (t *testClickhouseDriverStmt) Exec(args []driver.Value) (driver.Result, error) { | ||
return nil, t.recorder(t.query, args) | ||
} | ||
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func (t *testClickhouseDriverStmt) NumInput() int { | ||
return strings.Count(t.query, "?") | ||
} | ||
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func (t *testClickhouseDriverStmt) Query(_ []driver.Value) (driver.Rows, error) { | ||
return nil, nil | ||
} |
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