mirror of
https://github.com/Syngnat/GoNavi.git
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2a3bd5bd97
- 元数据查不到列定义时补查 ALL_SYNONYMS 解析真实表 - 对解析出的 owner 和 table 继续回查列注释与主键信息 - 新增 SBDEV 指向 DEV.PERSON_INFO 的字段注释回归测试
411 lines
13 KiB
Go
411 lines
13 KiB
Go
package db
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import (
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"database/sql/driver"
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"reflect"
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"slices"
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"strings"
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"testing"
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)
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func TestOracleGetTablesPrefixesOwnerForAllTablesQuery(t *testing.T) {
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t.Parallel()
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dbConn, state := openOracleRecordingDB(t)
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state.mu.Lock()
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state.queryResults[`SELECT owner AS "OWNER", table_name AS "TABLE_NAME" FROM all_tables WHERE owner = 'MYCIMLED' ORDER BY table_name`] = oracleRecordingQueryResult{
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columns: []string{"OWNER", "TABLE_NAME"},
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rows: [][]driver.Value{
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{"MYCIMLED", "T_ADS"},
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{"MYCIMLED", "T_USERS"},
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},
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}
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state.mu.Unlock()
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oracleDB := &OracleDB{conn: dbConn}
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tables, err := oracleDB.GetTables("MYCIMLED")
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if err != nil {
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t.Fatalf("GetTables 返回错误: %v", err)
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}
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want := []string{"MYCIMLED.T_ADS", "MYCIMLED.T_USERS"}
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if !reflect.DeepEqual(tables, want) {
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t.Fatalf("期望返回带 OWNER 前缀的表名 %v，实际 %v", want, tables)
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}
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}
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func TestOracleGetTablesPrefixesCurrentUserForUserTablesQuery(t *testing.T) {
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t.Parallel()
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dbConn, state := openOracleRecordingDB(t)
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state.mu.Lock()
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state.queryResults[`SELECT USER AS "OWNER", table_name AS "TABLE_NAME" FROM user_tables ORDER BY table_name`] = oracleRecordingQueryResult{
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columns: []string{"OWNER", "TABLE_NAME"},
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rows: [][]driver.Value{
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{"LOGIN_USER", "T_ADS"},
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},
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}
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state.mu.Unlock()
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oracleDB := &OracleDB{conn: dbConn}
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tables, err := oracleDB.GetTables("")
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if err != nil {
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t.Fatalf("GetTables 返回错误: %v", err)
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}
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want := []string{"LOGIN_USER.T_ADS"}
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if !reflect.DeepEqual(tables, want) {
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t.Fatalf("空 dbName 也应带 OWNER 前缀，期望 %v，实际 %v", want, tables)
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}
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}
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func TestOracleGetTablesSkipsRowsWithNullTableName(t *testing.T) {
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t.Parallel()
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dbConn, state := openOracleRecordingDB(t)
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state.mu.Lock()
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state.queryResults[`SELECT owner AS "OWNER", table_name AS "TABLE_NAME" FROM all_tables WHERE owner = 'MYCIMLED' ORDER BY table_name`] = oracleRecordingQueryResult{
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columns: []string{"OWNER", "TABLE_NAME"},
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rows: [][]driver.Value{
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{"MYCIMLED", nil},
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{"MYCIMLED", "T_ADS"},
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},
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}
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state.mu.Unlock()
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oracleDB := &OracleDB{conn: dbConn}
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tables, err := oracleDB.GetTables("MYCIMLED")
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if err != nil {
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t.Fatalf("GetTables 返回错误: %v", err)
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}
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want := []string{"MYCIMLED.T_ADS"}
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if !reflect.DeepEqual(tables, want) {
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t.Fatalf("NULL TABLE_NAME 应被跳过，期望 %v，实际 %v", want, tables)
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}
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}
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func TestOracleGetColumnsIncludesColumnComments(t *testing.T) {
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t.Parallel()
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dbConn, state := openOracleRecordingDB(t)
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oracleDB := &OracleDB{conn: dbConn}
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columns, err := oracleDB.GetColumns("MYCIMLED", "EDC_LOG")
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if err != nil {
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t.Fatalf("GetColumns 返回错误: %v", err)
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}
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if len(columns) == 0 {
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t.Fatalf("expected columns")
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}
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if columns[0].Name != "UPDATED_AT" || columns[0].Comment != "更新时间" {
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t.Fatalf("expected first column comment from Oracle metadata, got %#v", columns[0])
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}
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queries := state.snapshotQueries()
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if len(queries) == 0 || !strings.Contains(queries[0], "all_col_comments") {
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t.Fatalf("expected GetColumns to join all_col_comments, queries=%v", queries)
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}
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for _, want := range []string{`AS "COLUMN_NAME"`, `AS "DATA_TYPE"`, `AS "DATA_LENGTH"`, `AS "CHAR_LENGTH"`, `AS "DATA_PRECISION"`, `AS "DATA_SCALE"`, `AS "COMMENT"`} {
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if !strings.Contains(queries[0], want) {
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t.Fatalf("expected GetColumns query to contain stable alias %q, got %s", want, queries[0])
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}
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}
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}
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func TestOracleGetColumnsResolvesSynonymTargetComments(t *testing.T) {
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t.Parallel()
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dbConn, state := openOracleRecordingDB(t)
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state.mu.Lock()
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state.disableDefaultTabColumns = true
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state.queryResults[buildOracleSynonymLookupQuery("SBDEV", "PERSON_INFO")] = oracleRecordingQueryResult{
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columns: []string{"TABLE_OWNER", "TABLE_NAME"},
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rows: [][]driver.Value{
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{"DEV", "PERSON_INFO"},
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},
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}
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state.queryResults[buildOracleColumnsQuery("DEV", "PERSON_INFO")] = oracleRecordingQueryResult{
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columns: []string{"COLUMN_NAME", "DATA_TYPE", "NULLABLE", "DATA_DEFAULT", "COLUMN_KEY", "COMMENT"},
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rows: [][]driver.Value{
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{"PID", "CHAR", "NO", nil, "PRI", "个人标识"},
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{"XM", "VARCHAR2", "YES", nil, "", "姓名"},
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},
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}
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state.mu.Unlock()
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oracleDB := &OracleDB{conn: dbConn}
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columns, err := oracleDB.GetColumns("SBDEV", "PERSON_INFO")
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if err != nil {
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t.Fatalf("GetColumns 返回错误: %v", err)
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}
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if len(columns) != 2 {
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t.Fatalf("expected synonym target columns, got %#v", columns)
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}
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if columns[0].Name != "PID" || columns[0].Comment != "个人标识" || columns[0].Key != "PRI" {
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t.Fatalf("expected first synonym column metadata from DEV.PERSON_INFO, got %#v", columns[0])
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}
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if columns[1].Name != "XM" || columns[1].Comment != "姓名" {
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t.Fatalf("expected second synonym column comment from DEV.PERSON_INFO, got %#v", columns[1])
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}
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queries := state.snapshotQueries()
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if len(queries) < 3 {
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t.Fatalf("expected direct metadata probe + synonym lookup + target metadata probe, got %v", queries)
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}
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if queries[0] != buildOracleColumnsQuery("SBDEV", "PERSON_INFO") {
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t.Fatalf("expected first metadata probe to use synonym owner, got %v", queries)
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}
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if !slices.Contains(queries, buildOracleSynonymLookupQuery("SBDEV", "PERSON_INFO")) {
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t.Fatalf("expected synonym lookup against all_synonyms, got %v", queries)
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}
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if !slices.Contains(queries, buildOracleColumnsQuery("DEV", "PERSON_INFO")) {
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t.Fatalf("expected metadata probe against resolved target table, got %v", queries)
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}
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if slices.Contains(queries, `SELECT * FROM "SBDEV"."PERSON_INFO" WHERE 1 = 0`) {
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t.Fatalf("expected synonym metadata to resolve before falling back to empty-select inference, got %v", queries)
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}
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}
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func TestOracleColumnsQueryFiltersPrimaryKeyLookupByTargetTable(t *testing.T) {
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t.Parallel()
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query := buildOracleColumnsQuery("MYCIMLED", "EDC_LOG")
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for _, want := range []string{
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`AND cons.owner = 'MYCIMLED'`,
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`AND cons.table_name = 'EDC_LOG'`,
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`AND cols.owner = 'MYCIMLED'`,
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`AND cols.table_name = 'EDC_LOG'`,
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`WHERE c.owner = 'MYCIMLED' AND c.table_name = 'EDC_LOG'`,
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} {
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if !strings.Contains(query, want) {
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t.Fatalf("expected Oracle columns query to contain %q, got: %s", want, query)
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}
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}
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}
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func TestOracleForeignKeysQueryPreFiltersLocalColumnsByTargetTable(t *testing.T) {
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t.Parallel()
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query := buildOracleForeignKeysQuery("MYCIMLED", "EDC_LOG")
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for _, want := range []string{
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`FROM (`,
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`FROM all_cons_columns`,
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`WHERE owner = 'MYCIMLED' AND table_name = 'EDC_LOG'`,
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`WHERE c.constraint_type = 'R' AND c.owner = 'MYCIMLED' AND c.table_name = 'EDC_LOG'`,
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} {
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if !strings.Contains(query, want) {
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t.Fatalf("expected Oracle foreign-key query to contain %q, got: %s", want, query)
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}
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}
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}
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func TestOracleGetColumnsPreservesMetadataNameCaseBeforeUppercaseFallback(t *testing.T) {
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t.Parallel()
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dbConn, state := openOracleRecordingDB(t)
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oracleDB := &OracleDB{conn: dbConn}
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if _, err := oracleDB.GetColumns("SYS", "test"); err != nil {
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t.Fatalf("GetColumns 返回错误: %v", err)
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}
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queries := state.snapshotQueries()
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if len(queries) == 0 {
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t.Fatalf("expected metadata query")
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}
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if !strings.Contains(queries[0], `WHERE c.owner = 'SYS' AND c.table_name = 'test'`) {
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t.Fatalf("expected first metadata query to preserve table case, got: %s", queries[0])
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}
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}
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func TestOracleGetColumnsFallsBackToSelectMetadataWhenDictionaryIsEmpty(t *testing.T) {
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t.Parallel()
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dbConn, state := openOracleRecordingDB(t)
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state.mu.Lock()
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state.disableDefaultTabColumns = true
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state.queryResults[`SELECT * FROM "SYS"."test" WHERE 1 = 0`] = oracleRecordingQueryResult{
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columns: []string{"id", "new_col_1"},
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columnTypes: []string{"NUMBER", "VARCHAR2"},
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nullable: []bool{false, true},
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rows: [][]driver.Value{},
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}
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state.mu.Unlock()
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oracleDB := &OracleDB{conn: dbConn}
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columns, err := oracleDB.GetColumns("SYS", "test")
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if err != nil {
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t.Fatalf("GetColumns 返回错误: %v", err)
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}
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if len(columns) != 2 {
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t.Fatalf("expected fallback columns, got %#v", columns)
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}
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if columns[0].Name != "id" || columns[0].Type != "NUMBER" || columns[0].Nullable != "NO" {
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t.Fatalf("unexpected first fallback column: %#v", columns[0])
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}
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if columns[1].Name != "new_col_1" || columns[1].Type != "VARCHAR2" || columns[1].Nullable != "YES" {
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t.Fatalf("unexpected second fallback column: %#v", columns[1])
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}
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queries := state.snapshotQueries()
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if !slices.Contains(queries, `SELECT * FROM "SYS"."test" WHERE 1 = 0`) {
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t.Fatalf("expected SELECT metadata fallback query, got: %v", queries)
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}
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}
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func TestFormatOracleColumnTypeIncludesLengthAndPrecision(t *testing.T) {
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t.Parallel()
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cases := []struct {
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name string
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row map[string]interface{}
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want string
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}{
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{
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name: "varchar2 char length",
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row: map[string]interface{}{
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"DATA_TYPE": "VARCHAR2",
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"DATA_LENGTH": 256,
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"CHAR_LENGTH": 128,
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},
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want: "VARCHAR2(128)",
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},
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{
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name: "number precision scale",
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row: map[string]interface{}{
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"DATA_TYPE": "NUMBER",
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"DATA_PRECISION": 10,
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"DATA_SCALE": 2,
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},
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want: "NUMBER(10,2)",
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},
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{
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name: "date remains plain",
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row: map[string]interface{}{
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"DATA_TYPE": "DATE",
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},
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want: "DATE",
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},
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}
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for _, tc := range cases {
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tc := tc
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t.Run(tc.name, func(t *testing.T) {
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t.Parallel()
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if got := formatOracleColumnType(tc.row); got != tc.want {
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t.Fatalf("expected %q, got %q", tc.want, got)
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}
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})
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}
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}
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func TestOracleGetCreateStatementPreservesMetadataNameCase(t *testing.T) {
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t.Parallel()
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dbConn, state := openOracleRecordingDB(t)
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state.mu.Lock()
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state.queryResults[`SELECT DBMS_METADATA.GET_DDL('TABLE', 'test', 'SYS') as ddl FROM DUAL`] = oracleRecordingQueryResult{
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columns: []string{"DDL"},
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rows: [][]driver.Value{
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{`CREATE TABLE "SYS"."test" ("ID" NUMBER)`},
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},
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}
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state.mu.Unlock()
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oracleDB := &OracleDB{conn: dbConn}
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ddl, err := oracleDB.GetCreateStatement("SYS", "test")
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if err != nil {
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t.Fatalf("GetCreateStatement 返回错误: %v", err)
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}
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if !strings.Contains(ddl, `CREATE TABLE "SYS"."test"`) {
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t.Fatalf("expected lowercase metadata DDL, got: %s", ddl)
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}
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queries := state.snapshotQueries()
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if len(queries) == 0 || queries[0] != `SELECT DBMS_METADATA.GET_DDL('TABLE', 'test', 'SYS') as ddl FROM DUAL` {
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t.Fatalf("expected first DDL query to preserve case, got: %v", queries)
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}
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}
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func TestOracleGetCreateStatementFallsBackToUppercaseMetadataName(t *testing.T) {
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t.Parallel()
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dbConn, state := openOracleRecordingDB(t)
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state.mu.Lock()
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state.queryResults[`SELECT DBMS_METADATA.GET_DDL('TABLE', 'TEST', 'SYS') as ddl FROM DUAL`] = oracleRecordingQueryResult{
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columns: []string{"DDL"},
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rows: [][]driver.Value{
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{`CREATE TABLE "SYS"."TEST" ("ID" NUMBER)`},
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},
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}
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state.mu.Unlock()
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oracleDB := &OracleDB{conn: dbConn}
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ddl, err := oracleDB.GetCreateStatement("SYS", "test")
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if err != nil {
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t.Fatalf("GetCreateStatement 返回错误: %v", err)
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}
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if !strings.Contains(ddl, `CREATE TABLE "SYS"."TEST"`) {
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t.Fatalf("expected uppercase fallback DDL, got: %s", ddl)
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}
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queries := state.snapshotQueries()
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if len(queries) < 2 {
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t.Fatalf("expected original-case query followed by uppercase fallback, got: %v", queries)
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}
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if queries[0] != `SELECT DBMS_METADATA.GET_DDL('TABLE', 'test', 'SYS') as ddl FROM DUAL` ||
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queries[1] != `SELECT DBMS_METADATA.GET_DDL('TABLE', 'TEST', 'SYS') as ddl FROM DUAL` {
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t.Fatalf("unexpected DDL fallback query order: %v", queries)
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}
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}
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func TestOracleGetCreateStatementAppendsTableAndColumnComments(t *testing.T) {
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t.Parallel()
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dbConn, state := openOracleRecordingDB(t)
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state.mu.Lock()
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state.queryResults[`SELECT DBMS_METADATA.GET_DDL('TABLE', 'EDC_LOG', 'MYCIMLED') as ddl FROM DUAL`] = oracleRecordingQueryResult{
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columns: []string{"DDL"},
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rows: [][]driver.Value{
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{`CREATE TABLE "MYCIMLED"."EDC_LOG" (
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"ID" NUMBER NOT NULL
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)`},
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},
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}
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state.queryResults[`SELECT comments AS "COMMENT" FROM all_tab_comments WHERE owner = 'MYCIMLED' AND table_name = 'EDC_LOG' AND comments IS NOT NULL`] = oracleRecordingQueryResult{
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columns: []string{"COMMENT"},
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rows: [][]driver.Value{
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{"日志表"},
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},
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}
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state.queryResults[`SELECT c.column_name AS "COLUMN_NAME", cc.comments AS "COMMENT"
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FROM all_tab_columns c
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JOIN all_col_comments cc
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ON cc.owner = c.owner AND cc.table_name = c.table_name AND cc.column_name = c.column_name
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WHERE c.owner = 'MYCIMLED' AND c.table_name = 'EDC_LOG' AND cc.comments IS NOT NULL
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ORDER BY c.column_id`] = oracleRecordingQueryResult{
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columns: []string{"COLUMN_NAME", "COMMENT"},
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rows: [][]driver.Value{
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{"ID", "主键's"},
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},
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}
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state.mu.Unlock()
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oracleDB := &OracleDB{conn: dbConn}
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ddl, err := oracleDB.GetCreateStatement("MYCIMLED", "EDC_LOG")
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if err != nil {
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t.Fatalf("GetCreateStatement 返回错误: %v", err)
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}
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for _, want := range []string{
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`CREATE TABLE "MYCIMLED"."EDC_LOG"`,
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`COMMENT ON TABLE "MYCIMLED"."EDC_LOG" IS '日志表';`,
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`COMMENT ON COLUMN "MYCIMLED"."EDC_LOG"."ID" IS '主键''s';`,
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} {
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if !strings.Contains(ddl, want) {
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t.Fatalf("expected DDL to contain %q, got: %s", want, ddl)
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}
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}
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if !strings.Contains(ddl, ");\n\nCOMMENT ON TABLE") {
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t.Fatalf("expected Oracle DDL comments to be separated by a statement terminator and blank line, got: %s", ddl)
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}
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}
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