bats/create-views.bats: First pass at create view bats tests.

bats/create-views.bats

@@ -0,0 +1,101 @@
+#!/usr/bin/env bats
+load $BATS_TEST_DIRNAME/helper/common.bash
+
+setup() {
+    setup_common
+}
+
+teardown() {
+    teardown_common
+}
+
+@test "create a single view" {
+    run dolt sql <<< '
+create view four as select 2+2 as res from dual;
+select * from four'
+    [ "$status" -eq 0 ]
+    [ "${#lines[@]}" -eq 5 ]
+    [[ "${lines[1]}" =~ ' res ' ]] || false
+    [[ "${lines[3]}" =~ ' 4 ' ]] || false
+}
+
+@test "drop a single view" {
+    run dolt sql <<< '
+create view four as select 2+2 as res from dual;
+drop view four'
+    [ "$status" -eq 0 ]
+}
+
+@test "join two views" {
+    run dolt sql <<< '
+create view four as select 2+2 as res from dual;
+create view now as select now() from dual;
+select * from four, now'
+    [ "$status" -eq 0 ]
+    [ "${#lines[@]}" -eq 5 ]
+    [[ "${lines[1]}" =~ ' res ' ]] || false
+    [[ "${lines[3]}" =~ ' 4 ' ]] || false
+}
+
+@test "cannot create view referencing non-existant table" {
+    run dolt sql <<< '
+create view broken as select id from my_users'
+    [ "$status" -eq 1 ]
+    [[ "$output" =~ "table not found: my_users" ]] || false
+}
+
+@test "can create view referencing table" {
+    run dolt sql <<< '
+create table my_users (id int primary key);
+create view will_be_broken as select id from my_users'
+    [ "$status" -eq 0 ]
+}
+
+@test "can drop table with view referencing it" {
+    run dolt sql <<< '
+create table my_users (id int primary key);
+create view will_be_broken as select id from my_users;
+drop table my_users'
+    [ "$status" -eq 0 ]
+}
+
+@test "view referencing table selects values present when it was created" {
+    run dolt sql <<< '
+create table my_users (id int primary key);
+insert into my_users values (1), (2), (3);
+create view my_users_view as select id from my_users order by id asc;
+select * from my_users_view'
+    [ "$status" -eq 0 ]
+    [ "${#lines[@]}" -eq 7 ]
+    [[ "${lines[1]}" =~ ' id ' ]] || false
+    [[ "${lines[3]}" =~ ' 1 ' ]] || false
+    [[ "${lines[4]}" =~ ' 2 ' ]] || false
+    [[ "${lines[5]}" =~ ' 3 ' ]] || false
+}
+
+@test "view referencing table selects values inserted after it was created" {
+    run dolt sql <<< '
+create table my_users (id int primary key);
+insert into my_users values (1), (2), (3);
+create view my_users_view as select id from my_users order by id asc;
+insert into my_users values (4), (5), (6);
+select * from my_users_view'
+    [ "$status" -eq 0 ]
+    [ "${#lines[@]}" -eq 10 ]
+    [[ "${lines[1]}" =~ ' id ' ]] || false
+    [[ "${lines[3]}" =~ ' 1 ' ]] || false
+    [[ "${lines[4]}" =~ ' 2 ' ]] || false
+    [[ "${lines[5]}" =~ ' 3 ' ]] || false
+    [[ "${lines[6]}" =~ ' 4 ' ]] || false
+    [[ "${lines[7]}" =~ ' 5 ' ]] || false
+    [[ "${lines[8]}" =~ ' 6 ' ]] || false
+}
+
+@test "selecting from broken view fails" {
+    run dolt sql <<< '
+create table my_users (id int primary key);
+create view will_be_broken as select id from my_users;
+drop table my_users;
+select * from will_be_broken'
+    [ "$status" -eq 1 ]
+}