diff --git a/Sources/DatabaseClient/Internal/Projects.swift b/Sources/DatabaseClient/Internal/Projects.swift
index e4a2bd9..239cc25 100644
--- a/Sources/DatabaseClient/Internal/Projects.swift
+++ b/Sources/DatabaseClient/Internal/Projects.swift
@@ -21,28 +21,7 @@ extension DatabaseClient.Projects: TestDependencyKey {
         try await model.delete(on: database)
       },
       detail: { id in
-        guard
-          let model = try await ProjectModel.query(on: database)
-            .with(\.$componentLosses)
-            .with(\.$equipment)
-            .with(\.$equivalentLengths)
-            .with(\.$rooms)
-            .with(
-              \.$trunks,
-              { trunk in
-                trunk.with(
-                  \.$rooms,
-                  {
-                    $0.with(\.$room)
-                  }
-                )
-              }
-            )
-            .filter(\.$id == id)
-            .first()
-        else {
-          throw NotFoundError()
-        }
+        let model = try await ProjectModel.fetchDetail(for: id, on: database)
 
         // TODO: Different error ??
         guard let equipmentInfo = model.equipment else { return nil }
@@ -62,44 +41,25 @@ extension DatabaseClient.Projects: TestDependencyKey {
         try await ProjectModel.find(id, on: database).map { try $0.toDTO() }
       },
       getCompletedSteps: { id in
-        let roomsCount = try await RoomModel.query(on: database)
-          .with(\.$project)
-          .filter(\.$project.$id == id)
-          .count()
-
-        let equivalentLengths = try await EffectiveLengthModel.query(on: database)
-          .with(\.$project)
-          .filter(\.$project.$id == id)
-          .all()
-
+        let model = try await ProjectModel.fetchDetail(for: id, on: database)
         var equivalentLengthsCompleted = false
 
-        if equivalentLengths.filter({ $0.type == "supply" }).first != nil,
-          equivalentLengths.filter({ $0.type == "return" }).first != nil
+        if model.equivalentLengths.filter({ $0.type == "supply" }).first != nil,
+          model.equivalentLengths.filter({ $0.type == "return" }).first != nil
         {
           equivalentLengthsCompleted = true
         }
 
-        let componentLosses = try await ComponentLossModel.query(on: database)
-          .with(\.$project)
-          .filter(\.$project.$id == id)
-          .count()
-
-        let equipmentInfo = try await EquipmentModel.query(on: database)
-          .with(\.$project)
-          .filter(\.$project.$id == id)
-          .first()
-
         return .init(
-          equipmentInfo: equipmentInfo != nil,
-          rooms: roomsCount > 0,
+          equipmentInfo: model.equipment != nil,
+          rooms: model.rooms.count > 0,
           equivalentLength: equivalentLengthsCompleted,
-          frictionRate: componentLosses > 0
+          frictionRate: model.componentLosses.count > 0
         )
       },
       getSensibleHeatRatio: { id in
         guard
-          let shr = try await ProjectModel.query(on: database)
+          let model = try await ProjectModel.query(on: database)
             .field(\.$id)
             .field(\.$sensibleHeatRatio)
             .filter(\.$id == id)
@@ -107,7 +67,7 @@ extension DatabaseClient.Projects: TestDependencyKey {
         else {
           throw NotFoundError()
         }
-        return shr.sensibleHeatRatio
+        return model.sensibleHeatRatio
       },
       fetch: { userID, request in
         try await ProjectModel.query(on: database)
@@ -227,7 +187,7 @@ extension Project {
         .field("sensibleHeatRatio", .double)
         .field("createdAt", .datetime)
         .field("updatedAt", .datetime)
-        .field("userID", .uuid, .required, .references(UserModel.schema, "id"))
+        .field("userID", .uuid, .required, .references(UserModel.schema, "id", onDelete: .cascade))
         .unique(on: "userID", "name")
         .create()
     }
@@ -350,4 +310,35 @@ final class ProjectModel: Model, @unchecked Sendable {
       self.sensibleHeatRatio = sensibleHeatRatio
     }
   }
+
+  /// Returns a ``ProjectModel`` with all the relations eagerly loaded.
+  static func fetchDetail(
+    for projectID: Project.ID,
+    on database: any Database
+  ) async throws -> ProjectModel {
+    guard
+      let model =
+        try await ProjectModel.query(on: database)
+        .with(\.$componentLosses)
+        .with(\.$equipment)
+        .with(\.$equivalentLengths)
+        .with(\.$rooms)
+        .with(
+          \.$trunks,
+          { trunk in
+            trunk.with(
+              \.$rooms,
+              {
+                $0.with(\.$room)
+              }
+            )
+          }
+        )
+        .filter(\.$id == projectID)
+        .first()
+    else {
+      throw NotFoundError()
+    }
+    return model
+  }
 }
diff --git a/Sources/DatabaseClient/Internal/Users.swift b/Sources/DatabaseClient/Internal/Users.swift
index bb92c27..efcaa48 100644
--- a/Sources/DatabaseClient/Internal/Users.swift
+++ b/Sources/DatabaseClient/Internal/Users.swift
@@ -33,6 +33,11 @@ extension DatabaseClient.Users: TestDependencyKey {
           throw NotFoundError()
         }
 
+        // Verify the password matches the user's hashed password.
+        guard try user.verifyPassword(request.password) else {
+          throw Abort(.unauthorized)
+        }
+
         let token: User.Token
 
         // Check if there's a user token
diff --git a/Sources/ManualDCore/EquivalentLength.swift b/Sources/ManualDCore/EquivalentLength.swift
index 9c29bad..c7f3fad 100644
--- a/Sources/ManualDCore/EquivalentLength.swift
+++ b/Sources/ManualDCore/EquivalentLength.swift
@@ -160,16 +160,16 @@ extension EquivalentLength {
     /// The longest return equivalent length.
     public let `return`: EquivalentLength?
 
+    public init(supply: EquivalentLength? = nil, return: EquivalentLength? = nil) {
+      self.supply = supply
+      self.return = `return`
+    }
+
     public var totalEquivalentLength: Double? {
       guard let supply else { return nil }
       guard let `return` else { return nil }
       return supply.totalEquivalentLength + `return`.totalEquivalentLength
     }
-
-    public init(supply: EquivalentLength? = nil, return: EquivalentLength? = nil) {
-      self.supply = supply
-      self.return = `return`
-    }
   }
 }
 
diff --git a/Tests/DatabaseClientTests/Helpers.swift b/Tests/DatabaseClientTests/Helpers.swift
index fd3abbd..fcc85d2 100644
--- a/Tests/DatabaseClientTests/Helpers.swift
+++ b/Tests/DatabaseClientTests/Helpers.swift
@@ -4,10 +4,11 @@ import Dependencies
 import Fluent
 import FluentSQLiteDriver
 import Foundation
+import ManualDCore
 import NIO
 import Vapor
 
-// Helper to create an in-memory database for testing.
+// Helper to create an in-memory database used for testing.
 func withDatabase(
   setupDependencies: (inout DependencyValues) -> Void = { _ in },
   operation: () async throws -> Void
@@ -37,3 +38,18 @@ func withDatabase(
   }
 
 }
+
+/// Set's up the database and a test user for running tests that require a
+/// a user.
+func withTestUser(
+  setupDependencies: (inout DependencyValues) -> Void = { _ in },
+  operation: (User) async throws -> Void
+) async throws {
+  try await withDatabase(setupDependencies: setupDependencies) {
+    @Dependency(\.database.users) var users
+    let user = try await users.create(
+      .init(email: "testy@example.com", password: "super-secret", confirmPassword: "super-secret")
+    )
+    try await operation(user)
+  }
+}
diff --git a/Tests/DatabaseClientTests/ProjectTests.swift b/Tests/DatabaseClientTests/ProjectTests.swift
index 226d3e2..b91c203 100644
--- a/Tests/DatabaseClientTests/ProjectTests.swift
+++ b/Tests/DatabaseClientTests/ProjectTests.swift
@@ -12,18 +12,155 @@ import Vapor
 struct ProjectTests {
 
   @Test
-  func sanity() {
-    #expect(Bool(true))
+  func projectHappyPaths() async throws {
+    try await withTestUser { user in
+      @Dependency(\.database.projects) var projects
+
+      let project = try await projects.create(user.id, .mock)
+
+      let got = try await projects.get(project.id)
+      #expect(got == project)
+
+      let page = try await projects.fetch(user.id, .init(page: 1, per: 25))
+      #expect(page.items.first! == project)
+
+      let updated = try await projects.update(project.id, .init(sensibleHeatRatio: 0.83))
+      #expect(updated.sensibleHeatRatio == 0.83)
+      #expect(updated.id == project.id)
+
+      let shr = try await projects.getSensibleHeatRatio(project.id)
+      #expect(shr == 0.83)
+
+      try await projects.delete(project.id)
+
+    }
+
+  }
+
+  @Test
+  func notFound() async throws {
+    try await withDatabase {
+      @Dependency(\.database.projects) var projects
+
+      await #expect(throws: NotFoundError.self) {
+        try await projects.delete(UUID(0))
+      }
+
+      await #expect(throws: NotFoundError.self) {
+        try await projects.update(UUID(0), .init(name: "Foo"))
+      }
+
+      await #expect(throws: NotFoundError.self) {
+        try await projects.getSensibleHeatRatio(UUID(0))
+      }
+
+      await #expect(throws: NotFoundError.self) {
+        try await projects.getCompletedSteps(UUID(0))
+      }
+    }
+  }
+
+  @Test
+  func completedSteps() async throws {
+    try await withTestUser { user in
+      @Dependency(\.database) var database
+
+      let project = try await database.projects.create(user.id, .mock)
+
+      var completed = try await database.projects.getCompletedSteps(project.id)
+      #expect(completed.equipmentInfo == false)
+      #expect(completed.equivalentLength == false)
+      #expect(completed.frictionRate == false)
+      #expect(completed.rooms == false)
+
+      _ = try await database.equipment.create(
+        .init(projectID: project.id, heatingCFM: 1000, coolingCFM: 1000)
+      )
+      completed = try await database.projects.getCompletedSteps(project.id)
+      #expect(completed.equipmentInfo == true)
+
+      _ = try await database.componentLosses.create(
+        .init(projectID: project.id, name: "Test", value: 0.2)
+      )
+      completed = try await database.projects.getCompletedSteps(project.id)
+      #expect(completed.frictionRate == true)
+
+      _ = try await database.rooms.create(
+        .init(projectID: project.id, name: "Test", heatingLoad: 12345, coolingTotal: 12345)
+      )
+      completed = try await database.projects.getCompletedSteps(project.id)
+      #expect(completed.rooms == true)
+
+      _ = try await database.equivalentLengths.create(
+        .init(
+          projectID: project.id, name: "Supply", type: .supply, straightLengths: [1], groups: [])
+      )
+      completed = try await database.projects.getCompletedSteps(project.id)
+      // Should not be complete until we have both return and supply for a project.
+      #expect(completed.equivalentLength == false)
+
+      _ = try await database.equivalentLengths.create(
+        .init(
+          projectID: project.id, name: "Return", type: .return, straightLengths: [1], groups: [])
+      )
+      completed = try await database.projects.getCompletedSteps(project.id)
+      #expect(completed.equipmentInfo == true)
+      #expect(completed.equivalentLength == true)
+      #expect(completed.frictionRate == true)
+      #expect(completed.rooms == true)
+
+    }
+  }
+
+  @Test
+  func detail() async throws {
+    try await withTestUser { user in
+      @Dependency(\.database) var database
+      let project = try await database.projects.create(user.id, .mock)
+
+      var detail = try await database.projects.detail(project.id)
+      #expect(detail == nil)
+
+      let equipment = try await database.equipment.create(
+        .init(projectID: project.id, heatingCFM: 1000, coolingCFM: 1000)
+      )
+      detail = try await database.projects.detail(project.id)
+      #expect(detail != nil)
+
+      let componentLoss = try await database.componentLosses.create(
+        .init(projectID: project.id, name: "Test", value: 0.2)
+      )
+      let room = try await database.rooms.create(
+        .init(projectID: project.id, name: "Test", heatingLoad: 12345, coolingTotal: 12345)
+      )
+      let supplyLength = try await database.equivalentLengths.create(
+        .init(
+          projectID: project.id, name: "Supply", type: .supply, straightLengths: [1], groups: [])
+      )
+      let returnLength = try await database.equivalentLengths.create(
+        .init(
+          projectID: project.id, name: "Return", type: .return, straightLengths: [1], groups: [])
+      )
+      detail = try await database.projects.detail(project.id)
+      #expect(detail?.componentLosses == [componentLoss])
+      #expect(detail?.equipmentInfo == equipment)
+      #expect(detail?.rooms == [room])
+      #expect(detail?.equivalentLengths.contains(supplyLength) == true)
+      #expect(detail?.equivalentLengths.contains(returnLength) == true)
+
+    }
   }
 
-  // @Test
-  // func createProject() {
-  //   try await withDatabase(migrations: Project.Migrate()) {
-  //     $0.database.projects = .live(database: $1)
-  //   } operation: {
-  //     @Dependency(\.database.projects) var projects
-  //
-  //     let project = try await projects.c
-  //   }
-  // }
+}
+
+extension Project.Create {
+
+  static let mock = Self(
+    name: "Testy McTestface",
+    streetAddress: "1234 Sesame St",
+    city: "Nowhere",
+    state: "MN",
+    zipCode: "55555",
+    sensibleHeatRatio: 0.83
+  )
 }
diff --git a/Tests/DatabaseClientTests/UserTests.swift b/Tests/DatabaseClientTests/UserTests.swift
index 6756fb1..a47f3d4 100644
--- a/Tests/DatabaseClientTests/UserTests.swift
+++ b/Tests/DatabaseClientTests/UserTests.swift
@@ -3,6 +3,7 @@ import Dependencies
 import Foundation
 import ManualDCore
 import Testing
+import Vapor
 
 @testable import DatabaseClient
 
@@ -10,7 +11,7 @@ import Testing
 struct UserDatabaseTests {
 
   @Test
-  func createUser() async throws {
+  func happyPaths() async throws {
     try await withDatabase {
       @Dependency(\.database.users) var users
 
@@ -22,8 +23,14 @@ struct UserDatabaseTests {
 
       // Test login the user in
       let token = try await users.login(
-        .init(email: "testy@example.com", password: "super-secret")
+        .init(email: user.email, password: "super-secret")
       )
+      #expect(token.userID == user.id)
+      // Test the same token is returned.
+      let token2 = try await users.login(
+        .init(email: user.email, password: "super-secret")
+      )
+      #expect(token.id == token2.id)
       // Test logging out
       try await users.logout(token.id)
 
@@ -31,7 +38,6 @@ struct UserDatabaseTests {
 
       let shouldBeNilUser = try await users.get(user.id)
       #expect(shouldBeNilUser == nil)
-
     }
   }
 
@@ -73,4 +79,73 @@ struct UserDatabaseTests {
     }
   }
 
+  @Test
+  func loginFails() async throws {
+    try await withDatabase {
+      @Dependency(\.database.users) var users
+
+      await #expect(throws: NotFoundError.self) {
+        try await users.login(
+          .init(email: "foo@example.com", password: "super-secret")
+        )
+
+      }
+
+      let user = try await users.create(
+        .init(email: "testy@example.com", password: "super-secret", confirmPassword: "super-secret")
+      )
+
+      // Ensure can not login with invalid password
+      await #expect(throws: Abort.self) {
+        try await users.login(
+          .init(email: user.email, password: "wrong-password")
+        )
+      }
+    }
+  }
+
+  @Test
+  func userProfileHappyPath() async throws {
+    try await withTestUser { user in
+      @Dependency(\.database.userProfiles) var profiles
+      let profile = try await profiles.create(
+        .init(
+          userID: user.id,
+          firstName: "Testy",
+          lastName: "McTestface",
+          companyName: "Acme Co.",
+          streetAddress: "12345 Sesame St",
+          city: "Nowhere",
+          state: "FL",
+          zipCode: "55555"
+        )
+      )
+
+      let fetched = try await profiles.fetch(user.id)
+      #expect(fetched == profile)
+
+      let got = try await profiles.get(profile.id)
+      #expect(got == profile)
+
+      let updated = try await profiles.update(profile.id, .init(firstName: "Updated"))
+      #expect(updated.firstName == "Updated")
+      #expect(updated.id == profile.id)
+
+      try await profiles.delete(profile.id)
+    }
+  }
+
+  @Test
+  func testUserProfileFails() async throws {
+    try await withDatabase {
+      @Dependency(\.database.userProfiles) var profiles
+      await #expect(throws: NotFoundError.self) {
+        try await profiles.delete(UUID(0))
+      }
+      await #expect(throws: NotFoundError.self) {
+        try await profiles.update(UUID(0), .init(firstName: "Foo"))
+      }
+    }
+  }
+
 }
diff --git a/justfile b/justfile
index 0c5da50..1d79213 100644
--- a/justfile
+++ b/justfile
@@ -29,5 +29,5 @@ code-coverage:
 		-ignore-filename-regex=".build|Tests" \
 		-use-color
 
-test:
-	@swift test --enable-code-coverage
+test *ARGS:
+	@swift test --enable-code-coverage {{ARGS}}