Function TestCheckProposedVersion

db/database_test.go:304–429

TestCheckProposedVersion ensures that a given CV will return the appropriate status based on the information present in the HLV.

(t *testing.T)

// TestCheckProposedVersion ensures that a given CV will return the appropriate status based on the information present in the HLV.
func TestCheckProposedVersion(t *testing.T) {
	base.SetUpTestLogging(t, base.LevelDebug, base.KeyAll)

	db, ctx := setupTestDB(t)
	defer db.Close(ctx)
	collection, ctx := GetSingleDatabaseCollectionWithUser(ctx, t, db)

	// create a doc
	body := Body{"key1": "value1", "key2": 1234}
	_, doc, err := collection.Put(ctx, "doc1", body)
	require.NoError(t, err)
	cvSource, cvValue := doc.HLV.GetCurrentVersion()
	currentVersion := Version{cvSource, cvValue}

	testCases := []struct {
		name            string
		newVersion      Version
		previousVersion *Version
		expectedStatus  ProposedRevStatus
		expectedRev     string
	}{
		{
			// proposed version matches the current server version
			//  Already known
			name:            "version exists",
			newVersion:      currentVersion,
			previousVersion: nil,
			expectedStatus:  ProposedRev_Exists,
			expectedRev:     "",
		},
		{
			// proposed version is newer than server cv (same source), and previousVersion matches server cv
			//  Not a conflict
			name:            "new version,same source,prev matches",
			newVersion:      Version{cvSource, incrementCas(cvValue, 100)},
			previousVersion: &currentVersion,
			expectedStatus:  ProposedRev_OK,
			expectedRev:     "",
		},
		{
			// proposed version is newer than server cv (same source), and previousVersion is not specified.
			//  Not a conflict, even without previousVersion, because of source match
			name:            "new version,same source,prev not specified",
			newVersion:      Version{cvSource, incrementCas(cvValue, 100)},
			previousVersion: nil,
			expectedStatus:  ProposedRev_OK,
			expectedRev:     "",
		},
		{
			// proposed version is from a source not present in server HLV, and previousVersion matches server cv
			//  Not a conflict, due to previousVersion match
			name:            "new version,new source,prev matches",
			newVersion:      Version{"other", incrementCas(cvValue, 100)},
			previousVersion: &currentVersion,
			expectedStatus:  ProposedRev_OK,
			expectedRev:     "",
		},
		{