diff --git a/modules/agency/back/methods/agency/getLanded.js b/modules/agency/back/methods/agency/getLanded.js
index 978f639a6..1cadfa76c 100644
--- a/modules/agency/back/methods/agency/getLanded.js
+++ b/modules/agency/back/methods/agency/getLanded.js
@@ -1,6 +1,6 @@
 module.exports = Self => {
     Self.remoteMethod('getLanded', {
-        description: 'Returns the first shipped and landed possible for params',
+        description: 'Returns the landed',
         accessType: 'READ',
         accepts: [{
             arg: 'params',
diff --git a/modules/agency/back/methods/agency/specs/getAgenciesWithWarehouse.spec.js b/modules/agency/back/methods/agency/specs/getAgenciesWithWarehouse.spec.js
new file mode 100644
index 000000000..dfa13547b
--- /dev/null
+++ b/modules/agency/back/methods/agency/specs/getAgenciesWithWarehouse.spec.js
@@ -0,0 +1,34 @@
+const app = require('vn-loopback/server/server');
+
+describe('Agency getAgenciesWithWarehouse()', () => {
+    const today = new Date();
+    it('should return the agencies that can handle the given delivery request', async() => {
+        let filter = {
+            addressFk: 101,
+            landed: today,
+            warehouseFk: 1
+        };
+
+        let result = await app.models.Agency.getAgenciesWithWarehouse(filter);
+        let agencies = result[0];
+
+        expect(agencies.length).toEqual(4);
+        expect(agencies[0].agency).toEqual('inhouse pickup');
+        expect(agencies[1].agency).toEqual('Super-Man delivery');
+        expect(agencies[2].agency).toEqual('Silla247');
+        expect(agencies[3].agency).toEqual('Silla247Expensive');
+    });
+
+    it('should return no agencies if the date is incorrect', async() => {
+        let filter = {
+            addressFk: 101,
+            landed: null,
+            warehouseFk: 1
+        };
+
+        let result = await app.models.Agency.getAgenciesWithWarehouse(filter);
+        let agencies = result[0];
+
+        expect(agencies.length).toEqual(0);
+    });
+});
diff --git a/modules/agency/back/methods/agency/specs/getFirstShipped.spec.js b/modules/agency/back/methods/agency/specs/getFirstShipped.spec.js
new file mode 100644
index 000000000..3a7c7047d
--- /dev/null
+++ b/modules/agency/back/methods/agency/specs/getFirstShipped.spec.js
@@ -0,0 +1,16 @@
+const app = require('vn-loopback/server/server');
+
+describe('Agency getFirstShipped()', () => {
+    it('should return the first shipped and landed possible for the filter', async() => {
+        let filter = {
+            agencyModeFk: 1,
+            addressFk: 101,
+            warehouseFk: 1
+        };
+
+        let result = await app.models.Agency.getFirstShipped(filter);
+
+        expect(result.vShipped).toBeDefined();
+        expect(result.vLanded).toBeDefined();
+    });
+});
diff --git a/modules/agency/back/methods/agency/specs/getLanded.spec.js b/modules/agency/back/methods/agency/specs/getLanded.spec.js
new file mode 100644
index 000000000..dad471ce1
--- /dev/null
+++ b/modules/agency/back/methods/agency/specs/getLanded.spec.js
@@ -0,0 +1,17 @@
+const app = require('vn-loopback/server/server');
+
+describe('Agency getLanded()', () => {
+    const today = new Date();
+    it('should return the landed', async() => {
+        let filter = {
+            shipped: today,
+            addressFk: 101,
+            agencyModeFk: 1,
+            warehouseFk: 1
+        };
+
+        let result = await app.models.Agency.getLanded(filter);
+
+        expect(result).toEqual(jasmine.any(Date));
+    });
+});
diff --git a/modules/agency/back/methods/agency/specs/getShipped.spec.js b/modules/agency/back/methods/agency/specs/getShipped.spec.js
new file mode 100644
index 000000000..d291deca7
--- /dev/null
+++ b/modules/agency/back/methods/agency/specs/getShipped.spec.js
@@ -0,0 +1,16 @@
+const app = require('vn-loopback/server/server');
+
+describe('Agency getShipped()', () => {
+    const today = new Date();
+    it('should return the first shipped possible for params', async() => {
+        let filter = {
+            landed: today,
+            addressFk: 101,
+            agencyModeFk: 1,
+        };
+
+        let result = await app.models.Agency.getShipped(filter);
+
+        expect(result).toEqual(jasmine.any(Date));
+    });
+});
diff --git a/modules/agency/back/methods/agency/specs/landsThatDay.spec.js b/modules/agency/back/methods/agency/specs/landsThatDay.spec.js
new file mode 100644
index 000000000..5b73f14de
--- /dev/null
+++ b/modules/agency/back/methods/agency/specs/landsThatDay.spec.js
@@ -0,0 +1,20 @@
+const app = require('vn-loopback/server/server');
+
+describe('Agency landsThatDay()', () => {
+    const today = new Date();
+    it('should return a list of agencies that can land a shipment on a day for an address', async() => {
+        let filter = {
+            addressFk: 101,
+            landed: today,
+        };
+
+        let result = await app.models.Agency.landsThatDay(filter);
+        let agencies = result[0];
+
+        expect(agencies.length).toEqual(4);
+        expect(agencies[0].agency).toEqual('inhouse pickup');
+        expect(agencies[1].agency).toEqual('Super-Man delivery');
+        expect(agencies[2].agency).toEqual('Silla247');
+        expect(agencies[3].agency).toEqual('Silla247Expensive');
+    });
+});
diff --git a/modules/invoiceOut/back/methods/invoiceOut/filter.js b/modules/invoiceOut/back/methods/invoiceOut/filter.js
index e9f60473a..3ac67685b 100644
--- a/modules/invoiceOut/back/methods/invoiceOut/filter.js
+++ b/modules/invoiceOut/back/methods/invoiceOut/filter.js
@@ -71,7 +71,7 @@ module.exports = Self => {
         }
     });
 
-    Self.filter = async(ctx, filter) => {
+    Self.filter = async ctx => {
         let conn = Self.dataSource.connector;
 
         let where = buildFilter(ctx.args, (param, value) => {
@@ -95,7 +95,7 @@ module.exports = Self => {
             }
         });
 
-        filter = mergeFilters(ctx.args.filter, {where});
+        let filter = mergeFilters(ctx.args.filter, {where});
 
         let stmts = [];
         let stmt;
diff --git a/modules/invoiceOut/back/methods/invoiceOut/specs/filter.spec.js b/modules/invoiceOut/back/methods/invoiceOut/specs/filter.spec.js
new file mode 100644
index 000000000..7091b8843
--- /dev/null
+++ b/modules/invoiceOut/back/methods/invoiceOut/specs/filter.spec.js
@@ -0,0 +1,111 @@
+const app = require('vn-loopback/server/server');
+
+describe('InvoiceOut filter()', () => {
+    let today = new Date();
+    today.setHours(2, 0, 0, 0);
+
+    it('should return the invoice out matching ref', async() => {
+        let ctx = {
+            args: {
+                search: 'T4444444',
+            }
+        };
+
+        let result = await app.models.InvoiceOut.filter(ctx);
+
+        expect(result.length).toEqual(1);
+        expect(result[0].ref).toEqual('T4444444');
+    });
+
+    it('should return the invoice out matching clientFk', async() => {
+        let ctx = {
+            args: {
+                clientFk: 102,
+            }
+        };
+
+        let result = await app.models.InvoiceOut.filter(ctx);
+
+        expect(result.length).toEqual(1);
+        expect(result[0].ref).toEqual('T2222222');
+    });
+
+    it('should return the invoice out matching hasPdf', async() => {
+        let ctx = {
+            args: {
+                hasPdf: true,
+            }
+        };
+
+        let result = await app.models.InvoiceOut.filter(ctx);
+
+        expect(result.length).toEqual(5);
+    });
+
+    it('should return the invoice out matching amount', async() => {
+        let ctx = {
+            args: {
+                amount: 208.35,
+            }
+        };
+
+        let result = await app.models.InvoiceOut.filter(ctx);
+
+
+        expect(result.length).toEqual(1);
+        expect(result[0].ref).toEqual('T2222222');
+    });
+
+    it('should return the invoice out matching min and max', async() => {
+        let ctx = {
+            args: {
+                min: 20.10,
+                max: 200,
+            }
+        };
+
+        let result = await app.models.InvoiceOut.filter(ctx);
+
+
+        expect(result.length).toEqual(2);
+    });
+
+    it('should return the invoice out matching issued', async() => {
+        let ctx = {
+            args: {
+                issued: today,
+            }
+        };
+
+        let result = await app.models.InvoiceOut.filter(ctx);
+
+
+        expect(result.length).toEqual(1);
+    });
+
+    it('should return the invoice out matching created', async() => {
+        let ctx = {
+            args: {
+                created: today,
+            }
+        };
+
+        let result = await app.models.InvoiceOut.filter(ctx);
+
+
+        expect(result.length).toEqual(5);
+    });
+
+    it('should return the invoice out matching dued', async() => {
+        let ctx = {
+            args: {
+                dued: today
+            }
+        };
+
+        let result = await app.models.InvoiceOut.filter(ctx);
+
+
+        expect(result.length).toEqual(1);
+    });
+});
diff --git a/modules/item/back/methods/item/filter.js b/modules/item/back/methods/item/filter.js
index 05cd87ca2..4b44a39b1 100644
--- a/modules/item/back/methods/item/filter.js
+++ b/modules/item/back/methods/item/filter.js
@@ -65,7 +65,7 @@ module.exports = Self => {
         }
     });
 
-    Self.filter = async(ctx, filter) => {
+    Self.filter = async ctx => {
         let conn = Self.dataSource.connector;
 
         let where = buildFilter(ctx.args, (param, value) => {
@@ -89,7 +89,7 @@ module.exports = Self => {
             }
         });
 
-        filter = mergeFilters(ctx.args.filter, {where});
+        let filter = mergeFilters(ctx.args.filter, {where});
         let stmts = [];
         let stmt;
 
diff --git a/modules/route/back/methods/route/specs/filter.spec.js b/modules/route/back/methods/route/specs/filter.spec.js
new file mode 100644
index 000000000..805161e9b
--- /dev/null
+++ b/modules/route/back/methods/route/specs/filter.spec.js
@@ -0,0 +1,121 @@
+const app = require('vn-loopback/server/server');
+
+describe('Route filter()', () => {
+    let today = new Date();
+    today.setHours(2, 0, 0, 0);
+
+    it('should return the routes matching "search"', async() => {
+        let ctx = {
+            args: {
+                search: 1,
+            }
+        };
+
+        let result = await app.models.Route.filter(ctx);
+
+        expect(result.length).toEqual(1);
+        expect(result[0].id).toEqual(1);
+    });
+
+    it('should return the routes matching "from"', async() => {
+        let ctx = {
+            args: {
+                from: today,
+            }
+        };
+
+        let result = await app.models.Route.filter(ctx);
+
+        expect(result.length).toEqual(7);
+    });
+
+    it('should return the routes matching "to"', async() => {
+        let ctx = {
+            args: {
+                to: today,
+            }
+        };
+
+        let result = await app.models.Route.filter(ctx);
+
+        expect(result.length).toEqual(7);
+    });
+
+    it('should return the routes matching "m3"', async() => {
+        let ctx = {
+            args: {
+                m3: 4.2,
+            }
+        };
+
+        let result = await app.models.Route.filter(ctx);
+
+        expect(result.length).toEqual(1);
+    });
+
+    it('should return the routes matching "description"', async() => {
+        let ctx = {
+            args: {
+                description: 'third route',
+            }
+        };
+
+        let result = await app.models.Route.filter(ctx);
+
+        expect(result.length).toEqual(1);
+    });
+
+    it('should return the routes matching "workerFk"', async() => {
+        let ctx = {
+            args: {
+                workerFk: 56,
+            }
+        };
+
+        let result = await app.models.Route.filter(ctx);
+
+        expect(result.length).toEqual(5);
+    });
+
+    it('should return the routes matching "warehouseFk"', async() => {
+        let ctx = {
+            args: {
+                warehouseFk: 1,
+            }
+        };
+
+        let result = await app.models.Route.filter(ctx);
+
+        expect(result.length).toEqual(7);
+
+        ctx.args.warehouseFk = 2;
+
+        result = await app.models.Route.filter(ctx);
+
+        expect(result.length).toEqual(0);
+    });
+
+    it('should return the routes matching "vehicleFk"', async() => {
+        let ctx = {
+            args: {
+                vehicleFk: 2,
+            }
+        };
+
+        let result = await app.models.Route.filter(ctx);
+
+        expect(result.length).toEqual(1);
+    });
+
+    it('should return the routes matching "agencyModeFk"', async() => {
+        let ctx = {
+            args: {
+                agencyModeFk: 1,
+            }
+        };
+
+        let result = await app.models.Route.filter(ctx);
+
+        expect(result.length).toEqual(2);
+    });
+});