Merge pull request #21 from atusa17/PAN-50

Pan 50

persistence/scripts/mysql/local_development.sql

@@ -23,3 +23,13 @@ definition json not null,
 notation json,
 version int default 1
 );
+create table theorems (
+id int not null auto_increment primary key unique,
+name varchar(512) not null,
+theorem_type enum ('THEOREM', 'PROPOSITION', 'LEMMA', 'COROLLARY') not null,
+branch varchar(512) not null,
+referenced_definitions json,
+referenced_theorems json,
+proven_status boolean default false,
+version int default 1
+)

persistence/src/integrationTest/java/edu/msudenver/tsp/persistence/PersistenceTestConfig.java

@@ -56,7 +56,7 @@ public class PersistenceTestConfig {
                 .create()
                 .username("panda")
                 .password("secret")
-                .url("jdbc:mysql://127.0.0.1:3306/pandamonium?autoReconnect=true&useSSL=false")
+                .url("jdbc:mysql://127.0.0.1:3306/pandamonium?autoReconnect=true&useSSL=false&serverTimezone=UTC")
                 .driverClassName("com.mysql.cj.jdbc.Driver")
                 .build();
     }

persistence/src/integrationTest/java/edu/msudenver/tsp/persistence/TheoremsIntegrationTest.java

@@ -0,0 +1,84 @@
+package edu.msudenver.tsp.persistence;
+
+import edu.msudenver.tsp.persistence.dto.TheoremDto;
+import edu.msudenver.tsp.persistence.dto.TheoremType;
+import edu.msudenver.tsp.persistence.repository.TheoremRepository;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+
+import static org.junit.Assert.*;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = PersistenceTestConfig.class)
+public class TheoremsIntegrationTest {
+    @Autowired private TheoremRepository theoremRepository;
+
+    @Test
+    public void testCRUDFunctionality() {
+        final TheoremDto theoremDto = createTheorem();
+        final TheoremDto savedTheorem = theoremRepository.save(theoremDto);
+
+        assertNotNull(savedTheorem);
+        assertEquals(Integer.valueOf(0), savedTheorem.getVersion());
+
+        final int id = savedTheorem.getId();
+
+        assertEquals("Test theorem", savedTheorem.getName());
+        assertEquals("Test branch", savedTheorem.getBranch());
+        assertTrue(savedTheorem.getProvenStatus());
+        assertEquals(2, savedTheorem.getReferencedTheorems().size());
+        assertEquals(2, savedTheorem.getReferencedDefinitions().size());
+        assertEquals("test theorem 1", savedTheorem.getReferencedTheorems().get(0));
+        assertEquals("test theorem 2", savedTheorem.getReferencedTheorems().get(1));
+        assertEquals("test definition 1", savedTheorem.getReferencedDefinitions().get(0));
+        assertEquals("test definition 2", savedTheorem.getReferencedDefinitions().get(1));
+
+        savedTheorem.setBranch("Test Update");
+
+        final TheoremDto updatedTheorem = theoremRepository.save(savedTheorem);
+
+        assertNotNull(updatedTheorem);
+        assertEquals(Integer.valueOf(0), updatedTheorem.getVersion());
+        assertEquals("Test theorem", updatedTheorem.getName());
+        assertEquals("Test Update", updatedTheorem.getBranch());
+        assertTrue(updatedTheorem.getProvenStatus());
+        assertEquals(2, updatedTheorem.getReferencedTheorems().size());
+        assertEquals(2, updatedTheorem.getReferencedDefinitions().size());
+        assertEquals("test theorem 1", updatedTheorem.getReferencedTheorems().get(0));
+        assertEquals("test theorem 2", updatedTheorem.getReferencedTheorems().get(1));
+        assertEquals("test definition 1", updatedTheorem.getReferencedDefinitions().get(0));
+        assertEquals("test definition 2", updatedTheorem.getReferencedDefinitions().get(1));
+        assertEquals(updatedTheorem.getId(), id);
+
+        theoremRepository.delete(theoremDto);
+        final Optional<TheoremDto> deletedTheorem = theoremRepository.findById(id);
+        assertFalse(deletedTheorem.isPresent());
+    }
+
+    private TheoremDto createTheorem() {
+        final List<String> referencedTheoremsList = new ArrayList<>();
+        referencedTheoremsList.add("test theorem 1");
+        referencedTheoremsList.add("test theorem 2");
+
+        final List<String> referencedDefinitionsList = new ArrayList<>();
+        referencedDefinitionsList.add("test definition 1");
+        referencedDefinitionsList.add("test definition 2");
+
+        final TheoremDto theoremDto = new TheoremDto();
+        theoremDto.setName("Test theorem");
+        theoremDto.setBranch("Test branch");
+        theoremDto.setProvenStatus(true);
+        theoremDto.setTheoremType(TheoremType.THEOREM);
+        theoremDto.setReferencedTheorems(referencedTheoremsList);
+        theoremDto.setReferencedDefinitions(referencedDefinitionsList);
+
+        return theoremDto;
+    }
+}

persistence/src/main/java/edu/msudenver/tsp/persistence/PersistenceApi.java

@@ -105,5 +105,6 @@ public class PersistenceApi {
         properties.setProperty("hibernate.id.new_generator_mappings","false");
 
         return properties;
+
     }
 }

persistence/src/main/java/edu/msudenver/tsp/persistence/controller/AccountController.java

@@ -14,6 +14,8 @@ import org.springframework.web.bind.annotation.*;
 
 import javax.validation.Valid;
 import javax.validation.groups.Default;
+import java.time.Duration;
+import java.time.Instant;
 import java.util.List;
 import java.util.Optional;
 
@@ -73,6 +75,35 @@ public class AccountController {
         );
     }
 
+    @GetMapping("/{username}")
+    public @ResponseBody
+    ResponseEntity<AccountDto> getAccountByUsername(@PathVariable("username") final String username) {
+        LOG.info("Received request to query for account with username " + username);
+        if (username == null) {
+            LOG.error("ERROR: username was null");
+            return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
+        }
+
+        LOG.debug("Querying for account with username " + username);
+        final StopWatch stopWatch = new StopWatch();
+        stopWatch.start();
+
+        final Optional<AccountDto> account = accountsRepository.findByUsername(username);
+
+        stopWatch.stop();
+
+        LOG.debug("Received response from server: query took " + stopWatch.getTotalTimeMillis() + "ms to complete");
+        return account.map(accountDto -> {
+            LOG.info("Returning account with username " + username);
+            return new ResponseEntity<>(accountDto, HttpStatus.OK);
+        }).orElseGet(
+                () -> {
+                    LOG.warn("No account was found with username " + username);
+                    return new ResponseEntity<>(HttpStatus.NOT_FOUND);
+                }
+        );
+    }
+
     @PostMapping("/")
     @Validated({AccountDto.Insert.class, Default.class})
     public @ResponseBody ResponseEntity<AccountDto> insertAccount(
@@ -89,6 +120,21 @@ public class AccountController {
             return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
         }
 
+        LOG.info("Checking for any existing users with username {}", accountDto.getUsername());
+
+        final Instant start = Instant.now();
+
+        LOG.debug("Querying for existing accounts");
+
+        final Optional<AccountDto> existingAccount = accountsRepository.findByUsername(accountDto.getUsername());
+
+        LOG.debug("Received response from the server: query took {} ms", Duration.between(start, Instant.now()).toMillis());
+
+        if (existingAccount.isPresent()) {
+            LOG.warn("An account already exists with username {}", accountDto.getUsername());
+            return new ResponseEntity<>(HttpStatus.CONFLICT);
+        }
+
         LOG.debug("Saving new account");
 
         final StopWatch stopWatch = new StopWatch();

persistence/src/main/java/edu/msudenver/tsp/persistence/controller/DefinitionController.java

@@ -20,7 +20,7 @@ import java.util.Optional;
 @Slf4j
 @RestController
 @AllArgsConstructor
-@RequestMapping(path = "/definitions/")
+@RequestMapping(path = "/definitions")
 public class DefinitionController {
     private final DefinitionRepository definitionRepository;
 
@@ -85,7 +85,7 @@ public class DefinitionController {
         }
 
         if (definitionDto == null) {
-            LOG.error("Passed entity is unprocessable");
+            LOG.error("Passed entity is null");
             return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
         }
 

persistence/src/main/java/edu/msudenver/tsp/persistence/controller/TheoremController.java

@@ -1,11 +1,238 @@
 package edu.msudenver.tsp.persistence.controller;
 
+import edu.msudenver.tsp.persistence.dto.TheoremDto;
 import edu.msudenver.tsp.persistence.repository.TheoremRepository;
+import edu.msudenver.tsp.utilities.PersistenceUtilities;
 import lombok.AllArgsConstructor;
-import org.springframework.stereotype.Component;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.util.StopWatch;
+import org.springframework.validation.BindingResult;
+import org.springframework.web.bind.annotation.*;
 
-@Component
+import javax.validation.Valid;
+import java.util.List;
+import java.util.Optional;
+
+@Slf4j
+@RestController
 @AllArgsConstructor
+@RequestMapping(path = "/theorems")
 public class TheoremController {
     private final TheoremRepository theoremRepository;
+
+    @GetMapping("/")
+    public @ResponseBody
+    ResponseEntity<Iterable<TheoremDto>> getAllTheorems() {
+        LOG.info("Received request to list all theorems");
+
+        LOG.debug("Querying for list of all theorems");
+        final StopWatch stopWatch = new StopWatch();
+        stopWatch.start();
+
+        final List<TheoremDto> listOfTheorems = theoremRepository.findAll();
+
+        stopWatch.stop();
+
+        LOG.debug("Successfully completed query. Query took " + stopWatch.getTotalTimeMillis() + "ms to complete");
+        LOG.info("Returning list of all theorems with size " + listOfTheorems.size());
+
+        return new ResponseEntity<>(listOfTheorems, HttpStatus.OK);
+    }
+
+    @GetMapping("/{branch}")
+    public @ResponseBody
+    ResponseEntity<List<TheoremDto>> getAllTheoremsByBranch(@PathVariable("branch") final String branch) {
+        LOG.info("Received request to query for theorems related to the " + branch + " branch of mathematics");
+        if (branch == null) {
+            LOG.error("ERROR: branch was null");
+            return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
+        }
+
+        LOG.debug("Querying for theorems with branch " + branch);
+
+        final StopWatch stopWatch = new StopWatch();
+        stopWatch.start();
+
+        final List<TheoremDto> listOfTheorems = theoremRepository.findByBranch(branch);
+
+        stopWatch.stop();
+
+        LOG.debug("Received response from server: query took " + stopWatch.getTotalTimeMillis() + "ms to complete");
+        LOG.info("Returning list of all theorems with size " + listOfTheorems.size());
+
+        if (listOfTheorems.isEmpty()) {
+            LOG.warn("No theorems were found for branch {}", branch);
+            return new ResponseEntity<>(HttpStatus.NOT_FOUND);
+        }
+
+        LOG.info("Returning list of theorems with branch {}", branch);
+        return new ResponseEntity<>(listOfTheorems, HttpStatus.OK);
+    }
+
+    @GetMapping("/{proven_status}")
+    public @ResponseBody
+    ResponseEntity<List<TheoremDto>> getAllTheoremsByProvenStatus(@PathVariable("proven_status") final Boolean provenStatus) {
+        LOG.info("Received request to query for theorems whose proven status is " + provenStatus);
+        if (provenStatus == null) {
+            LOG.error("ERROR: status was null");
+            return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
+        }
+
+        LOG.debug("Querying for theorems with proven status " + provenStatus);
+
+        final StopWatch stopWatch = new StopWatch();
+        stopWatch.start();
+
+        final List<TheoremDto> listOfTheorems = theoremRepository.findByProvenStatus(provenStatus);
+
+        stopWatch.stop();
+
+        LOG.debug("Received response from server: query took " + stopWatch.getTotalTimeMillis() + "ms to complete");
+        LOG.info("Returning list of all theorems with size " + listOfTheorems.size());
+
+        if (listOfTheorems.isEmpty()) {
+            LOG.warn("No theorems were found for proven status {}", provenStatus);
+            return new ResponseEntity<>(HttpStatus.NOT_FOUND);
+        }
+
+        LOG.info("Returning list of theorems with proven status {}", provenStatus);
+        return new ResponseEntity<>(listOfTheorems, HttpStatus.OK);
+    }
+
+    @GetMapping("/{id}")
+    public @ResponseBody
+    ResponseEntity<TheoremDto> getTheoremById(@PathVariable("id") final Integer id) {
+        LOG.info("Received request to query for theorem with id " + id);
+        if (id == null) {
+            LOG.error("ERROR: ID was null");
+            return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
+        }
+
+        LOG.debug("Querying for theorem with id " + id);
+
+        final StopWatch stopWatch = new StopWatch();
+        stopWatch.start();
+
+        final Optional<TheoremDto> theorem = theoremRepository.findById(id);
+
+        stopWatch.stop();
+
+        LOG.debug("Received response from server: query took " + stopWatch.getTotalTimeMillis() + "ms to complete");
+        return theorem.map(theoremDto -> {
+            LOG.info("Returning theorem with id " + id);
+            return new ResponseEntity<>(theoremDto, HttpStatus.OK);
+        }).orElseGet(
+                () -> {
+                    LOG.warn("No theorem was found with id " + id);
+                    return new ResponseEntity<>(HttpStatus.NOT_FOUND);
+                });
+
+    }
+
+    @PostMapping("/")
+    public @ResponseBody ResponseEntity<TheoremDto> insertTheorem(
+            @Valid @RequestBody final TheoremDto theoremDto,
+            final BindingResult bindingResult) {
+        LOG.info("Received request to insert a new theorem");
+        if (bindingResult.hasErrors()) {
+            LOG.error("Binding result is unprocessable");
+            return new ResponseEntity<>(HttpStatus.UNPROCESSABLE_ENTITY);
+        }
+
+        if (theoremDto == null) {
+            LOG.error("Passed entity is null");
+            return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
+        }
+
+        LOG.debug("Saving new theorem");
+
+        final StopWatch stopWatch = new StopWatch();
+        stopWatch.start();
+
+        final TheoremDto savedTheorem = theoremRepository.save(theoremDto);
+
+        stopWatch.stop();
+        LOG.debug("Received response from server: query took " + stopWatch.getTotalTimeMillis() + "ms to complete");
+
+        LOG.info("Returning the newly created theorem with id " + savedTheorem.getId());
+        return new ResponseEntity<>(savedTheorem, HttpStatus.CREATED);
+    }
+
+    @PatchMapping("/{id}")
+    public @ResponseBody ResponseEntity<TheoremDto> updateTheorem(
+            @PathVariable("id") final Integer id,
+            @RequestBody final TheoremDto theoremDto, final BindingResult bindingResult) {
+
+        LOG.info("Received request to update an account");
+        if (bindingResult.hasErrors()) {
+            LOG.error("Binding result is unprocessable");
+            return new ResponseEntity<>(HttpStatus.UNPROCESSABLE_ENTITY);
+        }
+
+        if (theoremDto == null) {
+            LOG.error("Passed entity is null");
+            return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
+        }
+
+        if (id == null) {
+            LOG.error("Theorem ID must be specified");
+            return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
+        }
+
+        LOG.debug("Checking for existence of theorem with id " + id);
+
+        final StopWatch stopWatch = new StopWatch();
+        stopWatch.start();
+
+        final Optional<TheoremDto> existingTheorem = theoremRepository.findById(id);
+
+        stopWatch.stop();
+
+        LOG.debug("Received response from server: query took " + stopWatch.getTotalTimeMillis() + "ms to complete");
+
+        if (!existingTheorem.isPresent()) {
+            LOG.error("No theorem associated with id " + id);
+            return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
+        }
+
+        PersistenceUtilities.copyNonNullProperties(theoremDto, existingTheorem.get());
+        existingTheorem.get().setVersion(existingTheorem.get().getVersion()+ 1);
+
+        LOG.info("Updating theorem with id " + id);
+        LOG.debug("Querying for theorem with ID " + id);
+
+        stopWatch.start();
+
+        final TheoremDto updatedTheorem = theoremRepository.save(existingTheorem.get());
+
+        stopWatch.stop();
+
+        LOG.debug("Received response from server: query took " + stopWatch.getTotalTimeMillis() + "ms to complete");
+
+        return new ResponseEntity<>(updatedTheorem, HttpStatus.OK);
+    }
+
+    @DeleteMapping("/{id}")
+    public @ResponseBody ResponseEntity<Void> deleteTheoremById(@PathVariable("id") final Integer id) {
+        LOG.info("Received request to delete theorem with id " + id);
+        if (id == null) {
+            LOG.error("Specified id is null");
+            return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
+        }
+
+        LOG.debug("Deleting theorem with id " + id);
+
+        final StopWatch stopWatch = new StopWatch();
+        stopWatch.start();
+
+        theoremRepository.deleteById(id);
+
+        stopWatch.stop();
+
+        LOG.debug("Received response from server: query took " + stopWatch.getTotalTimeMillis() + "ms to complete");
+
+        return new ResponseEntity<>(HttpStatus.NO_CONTENT);
+    }
 }

persistence/src/main/java/edu/msudenver/tsp/persistence/dto/AccountDto.java

@@ -5,10 +5,7 @@ import lombok.Data;
 import lombok.EqualsAndHashCode;
 import org.springframework.data.jpa.domain.support.AuditingEntityListener;
 
-import javax.persistence.Entity;
+import javax.persistence.*;
-import javax.persistence.EntityListeners;
-import javax.persistence.Temporal;
-import javax.persistence.TemporalType;
 import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Size;
@@ -22,8 +19,8 @@ import java.util.Date;
 public class AccountDto extends BaseDto implements Serializable {
     @NotBlank(groups = Insert.class, message = "A username must be specified") @Size(max = 50) private String username;
     @NotBlank(groups = Insert.class, message = "A password must be specified") @Size(max = 256) private String password;
-    @NotNull private boolean administratorStatus;
+    @NotNull @Column(name = "administrator_status") private boolean administratorStatus;
-    @Temporal(TemporalType.DATE) private Date lastLogin;
+    @Temporal(TemporalType.DATE) @Column(name = "last_login") private Date lastLogin;
 
     private static final long serialVersionUID = 7095627971593953734L;
 
@@ -48,4 +45,9 @@ public class AccountDto extends BaseDto implements Serializable {
     }
 
     public interface Insert {}
+
+    @PrePersist
+    public void prePersist() {
+        lastLogin = new Date();
+    }
 }

persistence/src/main/java/edu/msudenver/tsp/persistence/dto/TheoremDto.java

@@ -1,4 +1,71 @@
 package edu.msudenver.tsp.persistence.dto;
 
-public class TheoremDto extends BaseDto {
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import org.hibernate.annotations.Type;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.EntityListeners;
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
+import java.io.Serializable;
+import java.util.List;
+
+@Entity(name = "theorems")
+@EntityListeners(AuditingEntityListener.class)
+@Data
+@EqualsAndHashCode(callSuper = true)
+public class TheoremDto extends BaseDto implements Serializable {
+    @NotBlank @Size(min = 1, max = 512, message = "theorem name must be between 1 and 512 characters") private String name;
+    @NotNull @Column(name = "theorem_type") private TheoremType theoremType;
+    @NotNull(message = "a branch of mathematics that this theorem is associated with must be specified") private String branch;
+    @Type(type = "json") @Column(name = "referenced_definitions", columnDefinition = "jsonb") private List<String> referencedDefinitions;
+    @Type(type = "json") @Column(name = "referenced_theorems", columnDefinition = "jsonb") private List<String> referencedTheorems;
+    @NotNull @Column(name = "proven_status") private boolean provenStatus;
+
+    @JsonProperty("theorem_type")
+    public TheoremType getTheoremType() {
+        return theoremType;
+    }
+
+    @JsonProperty("theorem_type")
+    public void setTheoremType(final TheoremType theoremType) {
+        this.theoremType = theoremType;
+    }
+
+    @JsonProperty("referenced_definitions")
+    public List<String> getReferencedDefinitions() {
+        return referencedDefinitions;
+    }
+
+    @JsonProperty("referenced_definitions")
+    public void setReferencedDefinitions(final List<String> referencedDefinitions) {
+        this.referencedDefinitions = referencedDefinitions;
+    }
+
+    @JsonProperty("referenced_theorems")
+    public List<String> getReferencedTheorems() {
+        return referencedTheorems;
+    }
+
+    @JsonProperty("referenced_theorems")
+    public void setReferencedTheorems(final List<String> referencedTheorems) {
+        this.referencedTheorems = referencedTheorems;
+    }
+
+    @JsonProperty("proven_status")
+    public boolean getProvenStatus() {
+        return provenStatus;
+    }
+
+    @JsonProperty("proven_status")
+    public void setProvenStatus(final boolean provenStatus) {
+        this.provenStatus = provenStatus;
+    }
+
+    private static final long serialVersionUID = 1545568391140364425L;
 }

persistence/src/main/java/edu/msudenver/tsp/persistence/dto/TheoremType.java

@@ -0,0 +1,5 @@
+package edu.msudenver.tsp.persistence.dto;
+
+public enum TheoremType {
+    THEOREM, PROPOSITION, LEMMA, COROLLARY
+}

persistence/src/main/java/edu/msudenver/tsp/persistence/repository/AccountsRepository.java

@@ -4,6 +4,9 @@ import edu.msudenver.tsp.persistence.dto.AccountDto;
 import org.springframework.data.repository.CrudRepository;
 import org.springframework.stereotype.Repository;
 
+import java.util.Optional;
+
 @Repository
 public interface AccountsRepository extends CrudRepository<AccountDto, Integer> {
+    Optional<AccountDto> findByUsername(String username);
 }

persistence/src/main/java/edu/msudenver/tsp/persistence/repository/TheoremRepository.java

@@ -1,7 +1,15 @@
 package edu.msudenver.tsp.persistence.repository;
 
-import edu.msudenver.tsp.persistence.dto.BaseDto;
+import edu.msudenver.tsp.persistence.dto.TheoremDto;
-import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
 
-public interface TheoremRepository extends CrudRepository<BaseDto, Long> {
+import java.util.List;
+
+@Repository
+public interface TheoremRepository extends JpaRepository<TheoremDto, Integer> {
+
+    List<TheoremDto> findByBranch(String branch);
+
+    List<TheoremDto> findByProvenStatus(Boolean provenStatus);
 }

persistence/src/test/java/edu/msudenver/tsp/persistence/controller/AccountControllerTest.java

@@ -47,7 +47,7 @@ public class AccountControllerTest {
         assertTrue(responseEntity.hasBody());
         assertNotNull(responseEntity.getBody());
 
-        responseEntity.getBody().forEach(account -> assertEquals(account, accountDto));
+        responseEntity.getBody().forEach(account -> assertEquals(accountDto, account));
     }
 
     @Test
@@ -87,10 +87,48 @@ public class AccountControllerTest {
         verify(accountsRepository).findById(anyInt());
     }
 
+    @Test
+    public void testGetAccountByUsername() {
+        final AccountDto accountDto = createAccount();
+        when(accountsRepository.findByUsername(anyString())).thenReturn(Optional.ofNullable(accountDto));
+
+        final ResponseEntity<AccountDto> responseEntity = accountController.getAccountByUsername("Test username");
+
+        assertNotNull(responseEntity);
+        assertTrue(responseEntity.hasBody());
+        assertNotNull(responseEntity.getBody());
+        assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
+        assertEquals(accountDto, responseEntity.getBody());
+        verify(accountsRepository).findByUsername(anyString());
+    }
+
+    @Test
+    public void testGetAccountById_nullUsername() {
+        final ResponseEntity responseEntity = accountController.getAccountByUsername(null);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.BAD_REQUEST, responseEntity.getStatusCode());
+        verifyZeroInteractions(accountsRepository);
+    }
+
+    @Test
+    public void testGetAccountByUsername_noAccountFound() {
+        when(accountsRepository.findByUsername(anyString())).thenReturn(Optional.empty());
+
+        final ResponseEntity responseEntity = accountController.getAccountByUsername("Test username");
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.NOT_FOUND, responseEntity.getStatusCode());
+        verify(accountsRepository).findByUsername(anyString());
+    }
+
     @Test
     public void testInsertAccount() {
         final AccountDto accountDto = createAccount();
         when(accountsRepository.save(any(AccountDto.class))).thenReturn(accountDto);
+        when(accountsRepository.findByUsername(anyString())).thenReturn(Optional.empty());
 
         final ResponseEntity<AccountDto> responseEntity = accountController.insertAccount(accountDto, bindingResult);
 
@@ -102,6 +140,20 @@ public class AccountControllerTest {
         verify(accountsRepository).save(any(AccountDto.class));
     }
 
+    @Test
+    public void testInsertAccount_usernameAlreadyExists() {
+        final AccountDto accountDto = createAccount();
+        when(accountsRepository.findByUsername(anyString())).thenReturn(Optional.of(accountDto));
+
+        final ResponseEntity<AccountDto> responseEntity = accountController.insertAccount(accountDto, bindingResult);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.CONFLICT, responseEntity.getStatusCode());
+        verify(accountsRepository).findByUsername(anyString());
+        verify(accountsRepository, times(0)).save(any(AccountDto.class));
+    }
+
     @Test
     public void testInsertAccount_accountsDtoIsNull() {
         final ResponseEntity responseEntity = accountController.insertAccount(null, bindingResult);
@@ -114,10 +166,10 @@ public class AccountControllerTest {
 
     @Test
     public void testInsertAccount_bindingResultHasErrors() {
-        final AccountDto definitionDto = createAccount();
+        final AccountDto accountDto = createAccount();
         when(bindingResult.hasErrors()).thenReturn(true);
 
-        final ResponseEntity responseEntity = accountController.insertAccount(definitionDto, bindingResult);
+        final ResponseEntity responseEntity = accountController.insertAccount(accountDto, bindingResult);
 
         assertNotNull(responseEntity);
         assertFalse(responseEntity.hasBody());

persistence/src/test/java/edu/msudenver/tsp/persistence/controller/DefinitionControllerTest.java

@@ -46,7 +46,7 @@ public class DefinitionControllerTest {
         assertTrue(responseEntity.hasBody());
         assertNotNull(responseEntity.getBody());
 
-        responseEntity.getBody().forEach(definition -> assertEquals(definition, definitionDto));
+        responseEntity.getBody().forEach(definition -> assertEquals(definitionDto, definition));
     }
 
     @Test

persistence/src/test/java/edu/msudenver/tsp/persistence/controller/TheoremControllerTest.java

@@ -0,0 +1,314 @@
+package edu.msudenver.tsp.persistence.controller;
+
+import edu.msudenver.tsp.persistence.dto.TheoremDto;
+import edu.msudenver.tsp.persistence.dto.TheoremType;
+import edu.msudenver.tsp.persistence.repository.TheoremRepository;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.validation.BindingResult;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Optional;
+
+import static junit.framework.TestCase.assertTrue;
+import static org.junit.Assert.*;
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Mockito.*;
+
+@RunWith(MockitoJUnitRunner.class)
+@WebMvcTest(controllers = TheoremController.class)
+public class TheoremControllerTest {
+   @Mock private TheoremRepository theoremRepository;
+   @InjectMocks private TheoremController theoremController;
+   @Mock private BindingResult bindingResult;
+
+   @Test
+   public void testGetAllTheorems() {
+       final TheoremDto theoremDto = createTheorem();
+       final List<TheoremDto> listOfTheorems = new ArrayList<>();
+       listOfTheorems.add(theoremDto);
+       listOfTheorems.add(theoremDto);
+
+       when(theoremRepository.findAll()).thenReturn(listOfTheorems);
+
+       final ResponseEntity<Iterable<TheoremDto>> responseEntity = theoremController.getAllTheorems();
+
+       assertNotNull(responseEntity);
+       assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
+       assertTrue(responseEntity.hasBody());
+       assertNotNull(responseEntity.getBody());
+
+       responseEntity.getBody().forEach(theorem -> assertEquals(theoremDto, theorem));
+   }
+
+    @Test
+    public void testGetTheoremById() {
+        final TheoremDto theoremDto = createTheorem();
+        when(theoremRepository.findById(anyInt())).thenReturn(Optional.ofNullable(theoremDto));
+
+        final ResponseEntity<TheoremDto> responseEntity = theoremController.getTheoremById(1);
+
+        assertNotNull(responseEntity);
+        assertTrue(responseEntity.hasBody());
+        assertNotNull(responseEntity.getBody());
+        assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
+        assertEquals(theoremDto, responseEntity.getBody());
+        verify(theoremRepository).findById(anyInt());
+    }
+
+    @Test
+    public void testGetTheoremById_nullId() {
+        final ResponseEntity responseEntity = theoremController.getTheoremById(null);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.BAD_REQUEST, responseEntity.getStatusCode());
+        verifyZeroInteractions(theoremRepository);
+    }
+
+    @Test
+    public void testGetTheoremById_noTheoremFound() {
+        when(theoremRepository.findById(anyInt())).thenReturn(Optional.empty());
+
+        final ResponseEntity responseEntity = theoremController.getTheoremById(1);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.NOT_FOUND, responseEntity.getStatusCode());
+        verify(theoremRepository).findById(anyInt());
+    }
+
+    @Test
+    public void testGetAllTheoremsByBranch() {
+        final TheoremDto theoremDto = createTheorem();
+        final List<TheoremDto> listOfTheorems = new ArrayList<>();
+        listOfTheorems.add(theoremDto);
+        listOfTheorems.add(theoremDto);
+
+        when(theoremRepository.findByBranch(anyString())).thenReturn(listOfTheorems);
+
+        final ResponseEntity<List<TheoremDto>> responseEntity = theoremController.getAllTheoremsByBranch("test");
+
+        assertNotNull(responseEntity);
+        assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
+        assertTrue(responseEntity.hasBody());
+        assertNotNull(responseEntity.getBody());
+
+        responseEntity.getBody().forEach(theorem -> assertEquals(theoremDto, theorem));
+    }
+
+    @Test
+    public void testGetAllTheoremsByBranch_nullBranch() {
+        final ResponseEntity<List<TheoremDto>> responseEntity = theoremController.getAllTheoremsByBranch(null);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.BAD_REQUEST, responseEntity.getStatusCode());
+        verifyZeroInteractions(theoremRepository);
+    }
+
+    @Test
+    public void testGetAllTheoremsByBranch_noTheoremsFound() {
+       when(theoremRepository.findByBranch(anyString())).thenReturn(Collections.emptyList());
+
+       final ResponseEntity<List<TheoremDto>> responseEntity = theoremController.getAllTheoremsByBranch("test nonexistent branch");
+
+       assertNotNull(responseEntity);
+       assertFalse(responseEntity.hasBody());
+       assertEquals(HttpStatus.NOT_FOUND, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testGetAllTheoremsByProvenStatus() {
+        final TheoremDto theoremDto = createTheorem();
+        final List<TheoremDto> listOfTheorems = new ArrayList<>();
+        listOfTheorems.add(theoremDto);
+        listOfTheorems.add(theoremDto);
+
+        when(theoremRepository.findByProvenStatus(anyBoolean())).thenReturn(listOfTheorems);
+
+        final ResponseEntity<List<TheoremDto>> responseEntity = theoremController.getAllTheoremsByProvenStatus(true);
+
+        assertNotNull(responseEntity);
+        assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
+        assertTrue(responseEntity.hasBody());
+        assertNotNull(responseEntity.getBody());
+
+        responseEntity.getBody().forEach(theorem -> assertEquals(theoremDto, theorem));
+    }
+
+    @Test
+    public void testGetAllTheoremsByProvenStatus_nullProvenStatus() {
+        final ResponseEntity<List<TheoremDto>> responseEntity = theoremController.getAllTheoremsByProvenStatus(null);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.BAD_REQUEST, responseEntity.getStatusCode());
+        verifyZeroInteractions(theoremRepository);
+    }
+
+    @Test
+    public void testGetAllTheoremsByProvenStatus_noTheoremsFound() {
+        when(theoremRepository.findByProvenStatus(anyBoolean())).thenReturn(Collections.emptyList());
+
+        final ResponseEntity<List<TheoremDto>> responseEntity = theoremController.getAllTheoremsByProvenStatus(false);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.NOT_FOUND, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testInsertTheorem() {
+        final TheoremDto theoremDto = createTheorem();
+        when(theoremRepository.save(any(TheoremDto.class))).thenReturn(theoremDto);
+
+        final ResponseEntity<TheoremDto> responseEntity = theoremController.insertTheorem(theoremDto, bindingResult);
+
+        assertNotNull(responseEntity);
+        assertTrue(responseEntity.hasBody());
+        assertNotNull(responseEntity.getBody());
+        assertEquals(HttpStatus.CREATED, responseEntity.getStatusCode());
+        assertEquals(theoremDto, responseEntity.getBody());
+        verify(theoremRepository).save(any(TheoremDto.class));
+    }
+
+    @Test
+    public void testInsertTheorem_theoremDtoIsNull() {
+        final ResponseEntity responseEntity = theoremController.insertTheorem(null, bindingResult);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.BAD_REQUEST, responseEntity.getStatusCode());
+        verifyZeroInteractions(theoremRepository);
+    }
+
+    @Test
+    public void testInsertTheorem_bindingResultHasErrors() {
+        final TheoremDto theoremDto = createTheorem();
+        when(bindingResult.hasErrors()).thenReturn(true);
+
+        final ResponseEntity responseEntity = theoremController.insertTheorem(theoremDto, bindingResult);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.UNPROCESSABLE_ENTITY, responseEntity.getStatusCode());
+        verifyZeroInteractions(theoremRepository);
+    }
+
+    @Test
+    public void testUpdateTheorem() {
+        final TheoremDto existingTheorem = createTheorem();
+        existingTheorem.setId(1);
+        existingTheorem.setVersion(1);
+        final TheoremDto theoremUpdate = new TheoremDto();
+        theoremUpdate.setName("Test Update");
+        final TheoremDto updatedTheorem = existingTheorem;
+        updatedTheorem.setName("Test Update");
+        when(theoremRepository.findById(anyInt())).thenReturn(Optional.of(existingTheorem));
+        when(theoremRepository.save(any(TheoremDto.class))).thenReturn(updatedTheorem);
+
+        final ResponseEntity<TheoremDto> responseEntity = theoremController.updateTheorem(1, theoremUpdate, bindingResult);
+
+        assertNotNull(responseEntity);
+        assertTrue(responseEntity.hasBody());
+        assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
+        assertEquals(updatedTheorem, responseEntity.getBody());
+        verify(theoremRepository).findById(anyInt());
+        verify(theoremRepository).save(any(TheoremDto.class));
+    }
+
+    @Test
+    public void testUpdateTheorem_bindingResultHasErrors() {
+        when(bindingResult.hasErrors()).thenReturn(true);
+
+        final ResponseEntity<TheoremDto> responseEntity = theoremController.updateTheorem(1, createTheorem(), bindingResult);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.UNPROCESSABLE_ENTITY, responseEntity.getStatusCode());
+        verifyZeroInteractions(theoremRepository);
+    }
+
+    @Test
+    public void testUpdateTheorem_theoremDtoIsNull() {
+        final ResponseEntity<TheoremDto> responseEntity = theoremController.updateTheorem(1, null, bindingResult);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.BAD_REQUEST, responseEntity.getStatusCode());
+        verifyZeroInteractions(theoremRepository);
+    }
+
+    @Test
+    public void testUpdateTheorem_idIsNull() {
+        final ResponseEntity<TheoremDto> responseEntity = theoremController.updateTheorem(null, createTheorem(), bindingResult);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.BAD_REQUEST, responseEntity.getStatusCode());
+        verifyZeroInteractions(theoremRepository);
+    }
+
+    @Test
+    public void testUpdateTheorem_theoremDoesNotExist() {
+        when(theoremRepository.findById(anyInt())).thenReturn(Optional.empty());
+
+        final ResponseEntity<TheoremDto> responseEntity = theoremController.updateTheorem(1, createTheorem(), bindingResult);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.BAD_REQUEST, responseEntity.getStatusCode());
+        verify(theoremRepository, times(0)).save(any(TheoremDto.class));
+    }
+
+    @Test
+    public void testDeleteTheoremById() {
+        doNothing().when(theoremRepository).deleteById(anyInt());
+
+        final ResponseEntity responseEntity = theoremController.deleteTheoremById(1);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.NO_CONTENT, responseEntity.getStatusCode());
+        verify(theoremRepository).deleteById(anyInt());
+    }
+
+    @Test
+    public void testDeleteTheoremById_idIsNull() {
+        final ResponseEntity responseEntity = theoremController.deleteTheoremById(null);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.BAD_REQUEST, responseEntity.getStatusCode());
+        verifyZeroInteractions(theoremRepository);
+    }
+
+   private TheoremDto createTheorem() {
+       final List<String> referencedTheoremsList = new ArrayList<>();
+       referencedTheoremsList.add("test theorem 1");
+       referencedTheoremsList.add("test theorem 2");
+
+       final List<String> referencedDefinitionsList = new ArrayList<>();
+       referencedDefinitionsList.add("test definition 1");
+       referencedDefinitionsList.add("test definition 2");
+
+       final TheoremDto theoremDto = new TheoremDto();
+       theoremDto.setName("Test theorem");
+       theoremDto.setBranch("Test branch");
+       theoremDto.setProvenStatus(true);
+       theoremDto.setTheoremType(TheoremType.THEOREM);
+       theoremDto.setReferencedTheorems(referencedTheoremsList);
+       theoremDto.setReferencedDefinitions(referencedDefinitionsList);
+
+       return theoremDto;
+   }
+}