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Initial DB tests for CrateStorage #1309

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merged 2 commits into from
Jul 13, 2017
Merged

Initial DB tests for CrateStorage #1309

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0d15762
Add some simple tests for CrateStorage as a starting point
uklotzde Jul 9, 2017
3c093bc
Add some comments and restructure test code
uklotzde Jul 10, 2017
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70 changes: 70 additions & 0 deletions src/test/cratestorage_test.cpp
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Original file line number Diff line number Diff line change
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#include "test/librarytest.h"

#include "library/crate/cratestorage.h"


class CrateStorageTest : public LibraryTest {
protected:
CrateStorageTest() {
m_crateStorage.connectDatabase(dbConnection());
}

CrateStorage m_crateStorage;
};

TEST_F(CrateStorageTest, persistentLifecycle) {
const uint kNumCrates = 10;

// Insert some crates
for (auto i = kNumCrates; i > 0; --i) {
Crate crate;
crate.setName(QString("Crate %1").arg(i));
ASSERT_TRUE(m_crateStorage.onInsertingCrate(crate));
}
EXPECT_EQ(kNumCrates, m_crateStorage.countCrates());

// The "middle" crate
const auto kCrateIndex = (kNumCrates + 1) / 2;
const auto kCrateName = QString("Crate %1").arg(kCrateIndex);
CrateId crateId;

// Find crate by name
Crate crateByName;
{
ASSERT_TRUE(m_crateStorage.readCrateByName(kCrateName, &crateByName));
EXPECT_EQ(kCrateName, crateByName.getName());
crateId = crateByName.getId();
ASSERT_TRUE(crateId.isValid());
}

// Find crate by id
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It would be helpful to clarify this comment a little: "Find the same crate as above, this time by ID instead of name"

Crate crateById;
{
ASSERT_TRUE(m_crateStorage.readCrateById(crateId, &crateById));
EXPECT_EQ(crateId, crateById.getId());
EXPECT_EQ(kCrateName, crateById.getName());
}

// Update crate name
const auto kNewCrateName = QString("New%1").arg(kCrateName);
Crate crateUpdated = crateById;
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Why create a new Crate variable here? I think the intention would be clearer by reusing crateById

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Nope. During each step a new, empty crate object should be populated directly from the database. Otherwise you can not be sure if it got its values from the previous read operation.

Ideally the test would be split up into smaller tests, each with a special purpose. But here it was convenient to cover the whole lifecycle by a single test.

crateUpdated.setName(kNewCrateName);
ASSERT_TRUE(m_crateStorage.onUpdatingCrate(crateUpdated));
EXPECT_TRUE(m_crateStorage.readCrateById(crateId));
EXPECT_FALSE(m_crateStorage.readCrateByName(kCrateName));

// Find crate by new name
Crate crateByNewName;
{
ASSERT_TRUE(m_crateStorage.readCrateByName(kNewCrateName, &crateByNewName));
EXPECT_EQ(crateId, crateByNewName.getId());
EXPECT_EQ(kNewCrateName, crateByNewName.getName());
}

// Delete crate
ASSERT_TRUE(m_crateStorage.onDeletingCrate(crateId));
EXPECT_FALSE(m_crateStorage.readCrateById(crateId));
EXPECT_FALSE(m_crateStorage.readCrateByName(kCrateName));
EXPECT_FALSE(m_crateStorage.readCrateByName(kNewCrateName));
EXPECT_EQ(kNumCrates - 1, m_crateStorage.countCrates());
}