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-rw-r--r--common/view/olv/test.hxx687
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-// file : common/view/olv/test.hxx
-// copyright : Copyright (c) 2009-2015 Code Synthesis Tools CC
-// license : GNU GPL v2; see accompanying LICENSE file
-
-#ifndef TEST_HXX
-#define TEST_HXX
-
-#include <string>
-#include <vector>
-#include <memory> // unique_ptr
-#include <utility> // pair
-
-#include <odb/core.hxx>
-#include <odb/lazy-ptr.hxx>
-#include <odb/section.hxx>
-
-// Test basic object loading functionality.
-//
-#pragma db namespace table("t1_") pointer(std::unique_ptr)
-namespace test1
-{
- #pragma db object
- struct object1
- {
- object1 (int id_ = 0, int n_ = 0): id (id_), n (n_) {}
-
- #pragma db id
- int id;
-
- int n;
- };
-
- #pragma db object
- struct object2
- {
- object2 (int id_ = 0, const char* s_ = ""): id (id_), s (s_) {}
-
- #pragma db id
- int id;
-
- std::string s;
- };
-
- #pragma db view object(object1) object(object2: object1::id == object2::id)
- struct view1
- {
- std::unique_ptr<object2> o2;
- };
-
- #pragma db view object(object1) object(object2: object1::id == object2::id)
- struct view2
- {
- std::unique_ptr<object2> o2;
- std::unique_ptr<object1> o1;
- };
-
- #pragma db view object(object1 = o1) object(object2 = o2: o1::id == o2::id)
- struct view3
- {
- std::unique_ptr<object1> o1;
- std::unique_ptr<object2> o2;
- };
-
- #pragma db view object(object1 = o1) object(object2 = o2: o1::id == o2::id)
- struct view4
- {
- std::string s;
- std::unique_ptr<object2> o2;
-
- #pragma db column(o1::id)
- int id;
-
- std::unique_ptr<object1> o1;
- int n;
- };
-
- #pragma db view \
- object(object1) \
- object(object2: object1::id == object2::id) \
- object(object1 = o1b: object1::id == o1b::n)
- struct view5
- {
- std::unique_ptr<object1> o1a;
- std::unique_ptr<object2> o2;
- std::unique_ptr<object1> o1b;
- };
-}
-
-// Test loading of object pointers inside objects.
-//
-#pragma db namespace table("t2_") pointer(std::shared_ptr) session
-namespace test2
-{
- using std::shared_ptr;
-
- #pragma db object
- struct object1
- {
- object1 (int n_ = 0): n (n_) {}
-
- #pragma db id auto
- int id;
-
- int n;
- };
-
- #pragma db object
- struct object2
- {
- object2 () {}
- object2 (const char* s_, shared_ptr<object1> o1_): s (s_), o1 (o1_) {}
-
- #pragma db id auto
- int id;
-
- std::string s;
- shared_ptr<object1> o1;
- };
-
- #pragma db view object(object1) object(object2)
- struct view1
- {
- shared_ptr<object2> o2;
- };
-
- #pragma db view object(object1) object(object2)
- struct view2
- {
- shared_ptr<object2> o2; // "Unfortunate" order.
- shared_ptr<object1> o1;
- };
-
- #pragma db object
- struct object3
- {
- object3 () {}
- object3 (shared_ptr<object2> o2_): o2 (o2_) {}
-
- #pragma db id auto
- int id;
-
- shared_ptr<object2> o2;
- };
-
- #pragma db view object(object1) object(object2) object(object3)
- struct view3
- {
- shared_ptr<object3> o3; // "Unfortunate" order.
- shared_ptr<object1> o1;
- };
-
- #pragma db object
- struct object4
- {
- #pragma db id auto
- int id;
-
- std::vector<shared_ptr<object2>> o2;
- };
-
- #pragma db view object(object4)
- struct view4
- {
- shared_ptr<object4> o4;
- };
-
- #pragma db view object(object4) object (object2) object(object1)
- struct view5
- {
- shared_ptr<object4> o4; // "Unfortunate" order.
- shared_ptr<object1> o1;
- };
-
- #pragma db object
- struct object5
- {
- object5 () {}
- object5 (shared_ptr<object1> o1_, shared_ptr<object2> o2_)
- : o1 (o1_), o2 (o2_) {}
-
- #pragma db id auto
- int id;
-
- shared_ptr<object1> o1;
- shared_ptr<object2> o2;
- };
-
- #pragma db view object(object5) object (object2) \
- object(object1 = o1a: object2::o1) \
- object(object1 = o1b: object5::o1)
- struct view6
- {
- shared_ptr<object1> o1a;
- shared_ptr<object1> o1b;
- };
-}
-
-// Test JOINs for pointed-to objects, existing and automatically added.
-//
-#pragma db namespace table("t3_") pointer(std::shared_ptr) session
-namespace test3
-{
- using std::shared_ptr;
-
- struct object2;
-
- #pragma db object
- struct object1
- {
- object1 (int n_ = 0): n (n_) {}
-
- #pragma db id auto
- int id;
-
- int n;
-
- #pragma db inverse(o1)
- odb::lazy_weak_ptr<object2> o2;
- };
-
- #pragma db object
- struct object2
- {
- object2 (const char* s_ = ""): s (s_) {}
-
- #pragma db id auto
- int id;
-
- std::string s;
-
- shared_ptr<object1> o1;
- };
-
- #pragma db view object(object1) object(object2)
- struct view1a // Existing JOIN.
- {
- shared_ptr<object1> o1;
- };
-
- #pragma db view object(object1)
- struct view1b // Automatic JOIN.
- {
- shared_ptr<object1> o1;
- };
-
- // Container case.
- //
- struct object4;
-
- #pragma db object
- struct object3
- {
- object3 (int n_ = 0): n (n_) {}
-
- #pragma db id auto
- int id;
-
- int n;
-
- #pragma db inverse(o3)
- odb::lazy_weak_ptr<object4> o4;
- };
-
- #pragma db object
- struct object4
- {
- object4 (const char* s_ = ""): s (s_) {}
-
- #pragma db id auto
- int id;
-
- std::string s;
-
- std::vector<shared_ptr<object3>> o3;
- };
-
- #pragma db view object(object3) object(object4 = o4)
- struct view2a // Existing JOIN.
- {
- shared_ptr<object3> o3;
- };
-
- #pragma db view object(object3)
- struct view2b // Automatic JOIN.
- {
- shared_ptr<object3> o3;
- };
-}
-
-// Test by-value load.
-//
-#pragma db namespace table("t4_") session
-namespace test4
-{
- #pragma db object
- struct object1
- {
- object1 (int id_ = 0, int n_ = 0): id (id_), n (n_) {}
-
- #pragma db id
- int id;
-
- int n;
- };
-
- #pragma db object
- struct object2
- {
- object2 (int id_ = 0, const char* s_ = "", object1* o1_ = 0)
- : id (id_), s (s_), o1 (o1_) {}
-
- #pragma db id
- int id;
-
- std::string s;
- object1* o1; // Shallow copy.
- };
-
- typedef object1* object1_ptr;
- typedef object2* object2_ptr;
-
- #pragma db view object(object1)
- struct view1
- {
- #pragma db member(o1_) virtual(object1_ptr) get(&this.o1) set()
-
- #pragma db transient
- object1 o1;
- };
-
- #pragma db view object(object1) transient
- struct view1a
- {
- view1a (): o1_null (true) {}
-
- #pragma db member(o1_) virtual(object1_ptr) get(&this.o1) \
- set(this.o1_null = !(?))
-
- object1 o1;
- bool o1_null;
- };
-
- #pragma db view object(object1)
- struct view1b
- {
- view1b (): o1_p (0) {}
-
- #pragma db transient
- object1 o1;
-
- #pragma db get(&this.o1) set(o1_p = (?))
- object1* o1_p;
- };
-
- #pragma db view object(object1)
- struct view1c
- {
- view1c (object1& o1): o1_p (&o1) {}
-
- object1* o1_p;
- };
-
- #pragma db view object(object1) object(object2) transient
- struct view2
- {
- #pragma db member(o2_) virtual(object2_ptr) get(&this.o2) set()
- #pragma db member(o1_) virtual(object1_ptr) get(&this.o1) set()
-
- object1 o1;
- object2 o2;
- };
-
- #pragma db view object(object1) object(object2) transient
- struct view2a
- {
- #pragma db member(o2_) virtual(object2_ptr) get(&this.o2) \
- set(o2_null = !(?))
- #pragma db member(o1_) virtual(object1_ptr) get(&this.o1) set()
-
- object1 o1;
- object2 o2;
- bool o2_null;
- };
-
- // Test loading into raw pointer with non-raw object pointer.
- //
- using std::shared_ptr;
-
- #pragma db object pointer(shared_ptr)
- struct object3
- {
- object3 (int id_ = 0, int n_ = 0): id (id_), n (n_) {}
-
- #pragma db id
- int id;
-
- int n;
- };
-
- #pragma db view object(object3)
- struct view3
- {
- // This view implements the following slightly twisted logic: if the
- // object is already in the cache, then set o3_p to that. Otherwise,
- // load it into the by-value instance. We can also check whether o3_p
- // points to o3 to distinguish between the two outcomes.
- //
-
- // Since we may be getting the pointer as both smart and raw, we
- // need to create a bit of support code to use in the modifier
- // expression.
- //
- void set_o3 (object3* p) {o3_p = p;} // &o3 or NULL.
- void set_o3 (shared_ptr<object3> p) {o3_p = p.get ();} // From cache.
-
- #pragma db get(&this.o3) set(set_o3(?))
- object3* o3_p;
-
- #pragma db transient
- object3 o3;
-
- // Return-by-value support (query_value()).
- //
- view3 (): o3_p (0) {}
- view3 (const view3& x): o3_p (x.o3_p == &x.o3 ? &o3 : x.o3_p), o3 (x.o3) {}
- };
-}
-
-// Test NULL object pointers.
-//
-#pragma db namespace table("t5_") pointer(std::shared_ptr) session
-namespace test5
-{
- using std::shared_ptr;
-
- #pragma db object
- struct object1
- {
- object1 (int n_ = 0): n (n_) {}
-
- #pragma db id auto
- int id;
-
- int n;
- };
-
- #pragma db object
- struct object2
- {
- object2 () {}
- object2 (const char* s_, shared_ptr<object1> o1_): s (s_), o1 (o1_) {}
-
- #pragma db id auto
- int id;
-
- std::string s;
- shared_ptr<object1> o1;
- };
-
- #pragma db view object(object1) object(object2)
- struct view1
- {
- shared_ptr<object1> o1;
- shared_ptr<object2> o2;
- };
-
- typedef std::pair<int, int> comp_id;
- #pragma db value(comp_id)
-
- #pragma db object
- struct object3
- {
- object3 (comp_id id_ = comp_id (), int n_ = 0): id (id_), n (n_) {}
-
- #pragma db id
- comp_id id;
-
- int n;
- };
-
- #pragma db object
- struct object4
- {
- object4 () {}
- object4 (const char* s_, shared_ptr<object3> o3_): s (s_), o3 (o3_) {}
-
- #pragma db id auto
- int id;
-
- std::string s;
- shared_ptr<object3> o3;
- };
-
- #pragma db view object(object3) object(object4)
- struct view2
- {
- shared_ptr<object4> o4;
- shared_ptr<object3> o3;
- };
-}
-
-// Test interaction with sections.
-//
-#pragma db namespace table("t6_") pointer(std::shared_ptr)
-namespace test6
-{
- using std::shared_ptr;
-
- #pragma db object
- struct object1
- {
- object1 (int n_ = 0): n (n_) {}
-
- #pragma db id auto
- int id;
-
- int n;
- };
-
- #pragma db object
- struct object2
- {
- object2 () {}
- object2 (const char* s_, shared_ptr<object1> o1_): s (s_), o1 (o1_) {}
-
- #pragma db id auto
- int id;
-
- std::string s;
-
- #pragma db load(lazy)
- odb::section r;
-
- #pragma db section(r)
- shared_ptr<object1> o1;
- };
-
- #pragma db view object(object1) object(object2)
- struct view1
- {
- shared_ptr<object1> o1;
- shared_ptr<object2> o2;
- };
-}
-
-// Test explicit conversion to smart pointer member.
-//
-#pragma db namespace table("t7_") pointer(*) session
-namespace test7
-{
- using std::unique_ptr;
-
- #pragma db object
- struct object1
- {
- object1 (int n_ = 0): n (n_) {}
-
- #pragma db id auto
- int id;
-
- int n;
- };
-
- #pragma db object
- struct object2
- {
- object2 () {}
- object2 (const char* s_, object1* o1_): s (s_), o1 (o1_) {}
-
- #pragma db id auto
- int id;
-
- std::string s;
- object1* o1; // Shallow.
- };
-
- #pragma db view object(object1) object(object2)
- struct view1
- {
- unique_ptr<object2> o2;
- unique_ptr<object1> o1;
- };
-}
-
-// Test loading objects without id.
-//
-#pragma db namespace table("t8_") pointer(*) session
-namespace test8
-{
- using std::unique_ptr;
-
- #pragma db object
- struct object1
- {
- object1 (int n_ = 0): n (n_) {}
-
- #pragma db id auto
- int id;
-
- int n;
- };
-
- #pragma db object no_id
- struct object2
- {
- object2 () {}
- object2 (const char* s_, object1* o1_): s (s_), o1 (o1_) {}
-
- std::string s;
- object1* o1; // Shallow.
- };
-
- #pragma db view object(object1) object(object2)
- struct view1
- {
- unique_ptr<object2> o2;
- unique_ptr<object1> o1;
- };
-}
-
-// Test loading polymorphic objects.
-//
-#pragma db namespace table("t9_") session
-namespace test9
-{
- using std::shared_ptr;
-
- #pragma db object polymorphic pointer(shared_ptr)
- struct root
- {
- virtual ~root () {}
- root (int n_ = 0): n (n_) {}
-
- #pragma db id auto
- int id;
-
- int n;
- };
-
- #pragma db object
- struct base: root
- {
- base (int n_ = 0, const char* s_ = ""): root (n_), s (s_) {}
-
- std::string s;
- };
-
- #pragma db object
- struct derived: base
- {
- derived (int n_ = 0, const char* s_ = "", bool b_ = false)
- : base (n_, s_), b (b_) {}
-
- bool b;
- };
-
- // Load via root.
- //
- #pragma db view object(root)
- struct view1r
- {
- shared_ptr<root> o;
- int n;
- };
-
- // Load via base.
- //
- #pragma db view object(base)
- struct view1b
- {
- std::string s;
- shared_ptr<base> o;
- int n;
- };
-
- // Load via derived.
- //
- #pragma db view object(derived)
- struct view1d
- {
- std::string s;
- shared_ptr<derived> o;
- int n;
- };
-}
-
-#endif // TEST_HXX