From a107b4fd4e53473fdc14b75db36f1247e661bbad Mon Sep 17 00:00:00 2001
From: leaf corcoran <leafot@gmail.com>
Date: Fri, 16 Dec 2022 12:38:41 -0800
Subject: [PATCH] add some specs for empty model find

---
 lapis/db/base_model.lua  |  2 +-
 lapis/db/base_model.moon |  3 ++-
 spec/model_spec.moon     | 27 +++++++++++++++++++++++----
 3 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/lapis/db/base_model.lua b/lapis/db/base_model.lua
index 4f6cfcfa..e7df9959 100644
--- a/lapis/db/base_model.lua
+++ b/lapis/db/base_model.lua
@@ -747,7 +747,7 @@ do
   self.find = function(self, ...)
     local first = select(1, ...)
     if first == nil then
-      error(tostring(self:table_name()) .. " trying to find with no conditions")
+      error("Model.find: " .. tostring(self:table_name()) .. ": trying to find with no conditions")
     end
     local cond
     if "table" == type(first) then
diff --git a/lapis/db/base_model.moon b/lapis/db/base_model.moon
index 7cd2af61..9aa23412 100644
--- a/lapis/db/base_model.moon
+++ b/lapis/db/base_model.moon
@@ -446,7 +446,8 @@ class BaseModel
   -- find by primary key, or by table of conds
   @find: (...) =>
     first = select 1, ...
-    error "#{@table_name!} trying to find with no conditions" if first == nil
+    if first == nil
+      error "Model.find: #{@table_name!}: trying to find with no conditions"
 
     cond = if "table" == type first
       @db.encode_clause (...)
diff --git a/spec/model_spec.moon b/spec/model_spec.moon
index 5effd881..b6622974 100644
--- a/spec/model_spec.moon
+++ b/spec/model_spec.moon
@@ -119,6 +119,25 @@ describe "lapis.db.model", ->
 
 
   describe "find", ->
+    it "handles empty clause", ->
+      class Things extends Model
+
+      assert.has_error(
+        -> Things\find {}
+        "db.encode_clause: passed an empty table"
+      )
+
+      assert.has_error(
+        -> Things\find nil
+        "Model.find: things: trying to find with no conditions"
+      )
+
+      assert.has_error(
+        -> Things\find!
+        "Model.find: things: trying to find with no conditions"
+      )
+
+
     it "basic", ->
       class Things extends Model
 
@@ -203,13 +222,13 @@ describe "lapis.db.model", ->
       assert_queries {
         [[SELECT * FROM "things" WHERE "dad" IN (1, 2, 4)]]
       }
-    
+
     it "with fields option", ->
       Things\find_all { 1,2,4 }, fields: "hello"
       assert_queries {
         [[SELECT hello FROM "things" WHERE "id" IN (1, 2, 4)]]
       }
-    
+
     it "with multiple field and key option", ->
       Things\find_all { 1,2,4 }, fields: "hello, world", key: "dad"
       assert_queries {
@@ -360,7 +379,7 @@ describe "lapis.db.model", ->
       [[INSERT INTO "things" ("color") VALUES ('blue') RETURNING "id"]]
       [[INSERT INTO "timed_things" ("created_at", "hello", "updated_at") VALUES ('2013-08-13 06:56:40', 'world', '2013-08-13 06:56:40') RETURNING "id"]]
       [[INSERT INTO "other_things" ("height", "id_a") VALUES ('400px', 120) RETURNING "id_a", "id_b"]]
-      
+
     }
 
   it "should create model with options", ->
@@ -488,7 +507,7 @@ describe "lapis.db.model", ->
 
     assert_queries {
       [[UPDATE "things" SET "color" = 'green', "height" = 100 WHERE "id" = 12]]
-      
+
       [[UPDATE "things" SET "age" = 2000 WHERE "id" IS NULL]]
       [[UPDATE "timed_things" SET "great" = TRUE, "updated_at" = '2013-08-13 06:56:40' WHERE "a" = 2 AND "b" = 3]]
       [[UPDATE "timed_things" SET "hello" = 'world' WHERE "a" = 2 AND "b" = 3]]