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193 lines
6.5 KiB
Plaintext
193 lines
6.5 KiB
Plaintext
# 2010 November 30
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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# This file implements tests to verify that the "testable statements" in
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# the lang_dropview.html document are correct.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set ::testprefix e_dropview
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proc dropview_reopen_db {} {
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db close
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forcedelete test.db test.db2
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sqlite3 db test.db
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db eval {
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ATTACH 'test.db2' AS aux;
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CREATE TABLE t1(a, b);
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INSERT INTO t1 VALUES('a main', 'b main');
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CREATE VIEW v1 AS SELECT * FROM t1;
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CREATE VIEW v2 AS SELECT * FROM t1;
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CREATE TEMP TABLE t1(a, b);
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INSERT INTO temp.t1 VALUES('a temp', 'b temp');
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CREATE VIEW temp.v1 AS SELECT * FROM t1;
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CREATE TABLE aux.t1(a, b);
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INSERT INTO aux.t1 VALUES('a aux', 'b aux');
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CREATE VIEW aux.v1 AS SELECT * FROM t1;
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CREATE VIEW aux.v2 AS SELECT * FROM t1;
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CREATE VIEW aux.v3 AS SELECT * FROM t1;
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}
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}
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proc list_all_views {{db db}} {
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set res [list]
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$db eval { PRAGMA database_list } {
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set tbl "$name.sqlite_master"
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if {$name == "temp"} { set tbl temp.sqlite_master }
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set sql "SELECT '$name.' || name FROM $tbl WHERE type = 'view'"
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lappend res {*}[$db eval $sql]
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}
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set res
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}
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proc list_all_data {{db db}} {
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set res [list]
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$db eval { PRAGMA database_list } {
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set tbl "$name.sqlite_master"
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if {$name == "temp"} { set tbl sqlite_temp_master }
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db eval "SELECT '$name.' || name AS x FROM $tbl WHERE type = 'table'" {
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lappend res [list $x [db eval "SELECT * FROM $x"]]
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}
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}
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set res
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}
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proc do_dropview_tests {nm args} {
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uplevel do_select_tests $nm $args
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}
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# -- syntax diagram drop-view-stmt
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#
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# All paths in the syntax diagram for DROP VIEW are tested by tests 1.*.
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#
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do_dropview_tests 1 -repair {
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dropview_reopen_db
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} -tclquery {
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list_all_views
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} {
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1 "DROP VIEW v1" {main.v1 main.v2 aux.v1 aux.v2 aux.v3}
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2 "DROP VIEW v2" {main.v1 temp.v1 aux.v1 aux.v2 aux.v3}
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3 "DROP VIEW main.v1" {main.v2 temp.v1 aux.v1 aux.v2 aux.v3}
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4 "DROP VIEW main.v2" {main.v1 temp.v1 aux.v1 aux.v2 aux.v3}
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5 "DROP VIEW IF EXISTS v1" {main.v1 main.v2 aux.v1 aux.v2 aux.v3}
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6 "DROP VIEW IF EXISTS v2" {main.v1 temp.v1 aux.v1 aux.v2 aux.v3}
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7 "DROP VIEW IF EXISTS main.v1" {main.v2 temp.v1 aux.v1 aux.v2 aux.v3}
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8 "DROP VIEW IF EXISTS main.v2" {main.v1 temp.v1 aux.v1 aux.v2 aux.v3}
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}
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# EVIDENCE-OF: R-27002-52307 The DROP VIEW statement removes a view
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# created by the CREATE VIEW statement.
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#
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dropview_reopen_db
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do_execsql_test 2.1 {
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CREATE VIEW "new view" AS SELECT * FROM t1 AS x, t1 AS y;
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SELECT * FROM "new view";
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} {{a main} {b main} {a main} {b main}}
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do_execsql_test 2.2 {;
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SELECT * FROM sqlite_master WHERE name = 'new view';
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} {
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view {new view} {new view} 0
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{CREATE VIEW "new view" AS SELECT * FROM t1 AS x, t1 AS y}
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}
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do_execsql_test 2.3 {
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DROP VIEW "new view";
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SELECT * FROM sqlite_master WHERE name = 'new view';
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} {}
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do_catchsql_test 2.4 {
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SELECT * FROM "new view"
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} {1 {no such table: new view}}
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# EVIDENCE-OF: R-00359-41639 The view definition is removed from the
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# database schema, but no actual data in the underlying base tables is
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# modified.
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#
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# For each view in the database, check that it can be queried. Then drop
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# it. Check that it can no longer be queried and is no longer listed
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# in any schema table. Then check that the contents of the db tables have
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# not changed
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#
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set databasedata [list_all_data]
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do_execsql_test 3.1.0 { SELECT * FROM temp.v1 } {{a temp} {b temp}}
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do_execsql_test 3.1.1 { DROP VIEW temp.v1 } {}
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do_catchsql_test 3.1.2 { SELECT * FROM temp.v1 } {1 {no such table: temp.v1}}
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do_test 3.1.3 { list_all_views } {main.v1 main.v2 aux.v1 aux.v2 aux.v3}
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do_test 3.1.4 { string compare [list_all_data] $databasedata } 0
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do_execsql_test 3.2.0 { SELECT * FROM v1 } {{a main} {b main}}
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do_execsql_test 3.2.1 { DROP VIEW v1 } {}
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do_catchsql_test 3.2.2 { SELECT * FROM main.v1 } {1 {no such table: main.v1}}
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do_test 3.2.3 { list_all_views } {main.v2 aux.v1 aux.v2 aux.v3}
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do_test 3.2.4 { string compare [list_all_data] $databasedata } 0
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do_execsql_test 3.3.0 { SELECT * FROM v2 } {{a main} {b main}}
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do_execsql_test 3.3.1 { DROP VIEW v2 } {}
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do_catchsql_test 3.3.2 { SELECT * FROM main.v2 } {1 {no such table: main.v2}}
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do_test 3.3.3 { list_all_views } {aux.v1 aux.v2 aux.v3}
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do_test 3.3.4 { string compare [list_all_data] $databasedata } 0
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do_execsql_test 3.4.0 { SELECT * FROM v1 } {{a aux} {b aux}}
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do_execsql_test 3.4.1 { DROP VIEW v1 } {}
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do_catchsql_test 3.4.2 { SELECT * FROM v1 } {1 {no such table: v1}}
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do_test 3.4.3 { list_all_views } {aux.v2 aux.v3}
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do_test 3.4.4 { string compare [list_all_data] $databasedata } 0
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do_execsql_test 3.5.0 { SELECT * FROM aux.v2 } {{a aux} {b aux}}
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do_execsql_test 3.5.1 { DROP VIEW aux.v2 } {}
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do_catchsql_test 3.5.2 { SELECT * FROM aux.v2 } {1 {no such table: aux.v2}}
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do_test 3.5.3 { list_all_views } {aux.v3}
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do_test 3.5.4 { string compare [list_all_data] $databasedata } 0
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do_execsql_test 3.6.0 { SELECT * FROM v3 } {{a aux} {b aux}}
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do_execsql_test 3.6.1 { DROP VIEW v3 } {}
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do_catchsql_test 3.6.2 { SELECT * FROM v3 } {1 {no such table: v3}}
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do_test 3.6.3 { list_all_views } {}
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do_test 3.6.4 { string compare [list_all_data] $databasedata } 0
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# EVIDENCE-OF: R-25558-37487 If the specified view cannot be found and
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# the IF EXISTS clause is not present, it is an error.
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#
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do_dropview_tests 4 -repair {
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dropview_reopen_db
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} -errorformat {
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no such view: %s
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} {
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1 "DROP VIEW xx" xx
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2 "DROP VIEW main.xx" main.xx
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3 "DROP VIEW temp.v2" temp.v2
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}
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# EVIDENCE-OF: R-07490-32536 If the specified view cannot be found and
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# an IF EXISTS clause is present in the DROP VIEW statement, then the
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# statement is a no-op.
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#
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do_dropview_tests 5 -repair {
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dropview_reopen_db
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} -tclquery {
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list_all_views
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#expr {[list_all_views] == "main.v1 main.v2 temp.v1 aux.v1 aux.v2 aux.v3"}
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} {
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1 "DROP VIEW IF EXISTS xx" "main.v1 main.v2 temp.v1 aux.v1 aux.v2 aux.v3"
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2 "DROP VIEW IF EXISTS main.xx" "main.v1 main.v2 temp.v1 aux.v1 aux.v2 aux.v3"
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3 "DROP VIEW IF EXISTS temp.v2" "main.v1 main.v2 temp.v1 aux.v1 aux.v2 aux.v3"
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}
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finish_test
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