internal/core/eval: sort empty disjunction message to top of group

mpvl · mpvl · commit 062b3d888f70 · 2021-01-02T17:01:40.000Z
By adding leading with the number, which sorts before any letter. Change-Id: I8027f61e74e7ca206ec78dfdbbe7534d21ef1cc5 Reviewed-on: https://cue-review.googlesource.com/c/cue/+/8042 Reviewed-by: CUE cueckoo <cueckoo@gmail.com> Reviewed-by: Marcel van Lohuizen <mpvl@golang.org>
diff --git a/cmd/cue/cmd/testdata/script/eval_errs.txt b/cmd/cue/cmd/testdata/script/eval_errs.txt
@@ -4,7 +4,7 @@ cmp stdout expect-stdout
 
 -- expect-stdout --
 -- expect-stderr --
-bar: empty disjunction: 2 related errors:
+bar: 2 errors in empty disjunction:
 bar.a: conflicting values "str" and int (mismatched types string and int):
     ./errs.cue:5:10
     ./errs.cue:6:6
diff --git a/cue/testdata/benchmarks/dedupelem.txtar b/cue/testdata/benchmarks/dedupelem.txtar
@@ -15,7 +15,7 @@ foo: [{type: "float"}] & [...#Value]
 foo: [{type: "float"}] & [...#Value]
 -- out/eval --
 Errors:
-foo.0: empty disjunction: 2 related errors:
+foo.0: 2 errors in empty disjunction:
 foo.0.type: conflicting values "int" and "float":
     ./in.cue:3:16
     ./in.cue:5:14
@@ -37,7 +37,7 @@ Result:
   foo: (_|_){
     // [eval]
     0: (_|_){
-      // [eval] foo.0: empty disjunction: 2 related errors:
+      // [eval] foo.0: 2 errors in empty disjunction:
       // foo.0.type: conflicting values "int" and "float":
       //     ./in.cue:3:16
       //     ./in.cue:5:14
diff --git a/cue/testdata/cycle/issue429.txtar b/cue/testdata/cycle/issue429.txtar
@@ -52,8 +52,8 @@ er3: #nonEmptyRange & {
 
 -- out/eval --
 Errors:
-er3.min: empty disjunction: 1 related errors:
-es3.max: empty disjunction: 1 related errors:
+er3.min: 1 errors in empty disjunction:
+es3.max: 1 errors in empty disjunction:
 es3.max: invalid value 5 (out of bound >10):
     ./in.cue:5:10
     ./in.cue:22:10
@@ -94,7 +94,7 @@ Result:
     res: (int){ |(*(int){ 0 }, (int){ &(>=0, int) }) }
     min: (int){ 10 }
     max: (_|_){
-      // [eval] es3.max: empty disjunction: 1 related errors:
+      // [eval] es3.max: 1 errors in empty disjunction:
       // es3.max: invalid value 5 (out of bound >10):
       //     ./in.cue:5:10
       //     ./in.cue:22:10
@@ -123,13 +123,13 @@ Result:
   er3: (_|_){
     // [eval]
     min: (_|_){
-      // [eval] er3.min: empty disjunction: 1 related errors:
+      // [eval] er3.min: 1 errors in empty disjunction:
       // er3.min: invalid value 5 (out of bound <5):
       //     ./in.cue:29:10
       //     ./in.cue:44:10
     }
     max: (_|_){
-      // [eval] er3.min: empty disjunction: 1 related errors:
+      // [eval] er3.min: 1 errors in empty disjunction:
       // er3.min: invalid value 5 (out of bound <5):
       //     ./in.cue:29:10
       //     ./in.cue:44:10
diff --git a/cue/testdata/cycle/structural.txtar b/cue/testdata/cycle/structural.txtar
@@ -440,30 +440,30 @@ e3.b.c: conflicting values [b] and {c:b} (mismatched types list and struct):
     ./in.cue:293:8
     ./in.cue:293:11
 e3.b.c: structural cycle
+e4.a.0: 4 errors in empty disjunction:
 e4.a.0: conflicting values [{c:1}] and {} (mismatched types list and struct):
     ./in.cue:297:13
     ./in.cue:298:9
-e4.a.0: empty disjunction: 4 related errors:
+e4.a.0.0: 2 errors in empty disjunction:
 e4.a.0.0: conflicting values [{c:1}] and {c:1} (mismatched types list and struct):
     ./in.cue:298:9
     ./in.cue:298:10
 e4.a.0.0: conflicting values [{c:1}] and {} (mismatched types list and struct):
     ./in.cue:297:9
     ./in.cue:297:13
     ./in.cue:298:9
-e4.a.0.0: empty disjunction: 2 related errors:
+e4.b.0: 4 errors in empty disjunction:
 e4.b.0: conflicting values [{c:1}] and {} (mismatched types list and struct):
     ./in.cue:300:9
     ./in.cue:301:13
-e4.b.0: empty disjunction: 4 related errors:
+e4.b.0.0: 2 errors in empty disjunction:
 e4.b.0.0: conflicting values [{c:1}] and {c:1} (mismatched types list and struct):
     ./in.cue:300:9
     ./in.cue:300:10
 e4.b.0.0: conflicting values [{c:1}] and {} (mismatched types list and struct):
     ./in.cue:300:9
     ./in.cue:301:9
     ./in.cue:301:13
-e4.b.0.0: empty disjunction: 2 related errors:
 p2.#T.a.b.link: structural cycle
 p3.#U.#T.a.b.link: structural cycle
 p5.#T.a.0.link: structural cycle
@@ -1212,18 +1212,18 @@ Result:
     a: (_|_){
       // [eval]
       0: (_|_){
-        // [eval] e4.a.0: conflicting values [{c:1}] and {} (mismatched types list and struct):
+        // [eval] e4.a.0: 4 errors in empty disjunction:
+        // e4.a.0: conflicting values [{c:1}] and {} (mismatched types list and struct):
         //     ./in.cue:297:13
         //     ./in.cue:298:9
-        // e4.a.0: empty disjunction: 4 related errors:
+        // e4.a.0.0: 2 errors in empty disjunction:
         // e4.a.0.0: conflicting values [{c:1}] and {c:1} (mismatched types list and struct):
         //     ./in.cue:298:9
         //     ./in.cue:298:10
         // e4.a.0.0: conflicting values [{c:1}] and {} (mismatched types list and struct):
         //     ./in.cue:297:9
         //     ./in.cue:297:13
         //     ./in.cue:298:9
-        // e4.a.0.0: empty disjunction: 2 related errors:
         0: (struct){
           c: (int){ 1 }
         }
@@ -1232,18 +1232,18 @@ Result:
     b: (_|_){
       // [eval]
       0: (_|_){
-        // [eval] e4.b.0: conflicting values [{c:1}] and {} (mismatched types list and struct):
+        // [eval] e4.b.0: 4 errors in empty disjunction:
+        // e4.b.0: conflicting values [{c:1}] and {} (mismatched types list and struct):
         //     ./in.cue:300:9
         //     ./in.cue:301:13
-        // e4.b.0: empty disjunction: 4 related errors:
+        // e4.b.0.0: 2 errors in empty disjunction:
         // e4.b.0.0: conflicting values [{c:1}] and {c:1} (mismatched types list and struct):
         //     ./in.cue:300:9
         //     ./in.cue:300:10
         // e4.b.0.0: conflicting values [{c:1}] and {} (mismatched types list and struct):
         //     ./in.cue:300:9
         //     ./in.cue:301:9
         //     ./in.cue:301:13
-        // e4.b.0.0: empty disjunction: 2 related errors:
         0: (struct){
           c: (int){ 1 }
         }
diff --git a/cue/testdata/disjunctions/errors.txtar b/cue/testdata/disjunctions/errors.txtar
@@ -34,7 +34,7 @@ explicitDefaultError: {
 
 -- out/eval --
 Errors:
-issue516.x: empty disjunction: 2 related errors:
+issue516.x: 2 errors in empty disjunction:
 issue516.x: field `match` not allowed:
     ./in.cue:20:9
     ./in.cue:22:8
@@ -43,7 +43,7 @@ issue516.x.match.metrics: field `foo` not allowed:
     ./in.cue:19:25
     ./in.cue:22:8
     ./in.cue:23:24
-issue570.results: empty disjunction: 2 related errors:
+issue570.results: 2 errors in empty disjunction:
 issue570.results: field `result` not allowed:
     ./in.cue:2:14
     ./in.cue:3:14
@@ -61,7 +61,7 @@ Result:
   issue570: (_|_){
     // [eval]
     results: (_|_){
-      // [eval] issue570.results: empty disjunction: 2 related errors:
+      // [eval] issue570.results: 2 errors in empty disjunction:
       // issue570.results: field `result` not allowed:
       //     ./in.cue:2:14
       //     ./in.cue:3:14
@@ -106,7 +106,7 @@ Result:
       }, (#struct){
       }) }
     x: (_|_){
-      // [eval] issue516.x: empty disjunction: 2 related errors:
+      // [eval] issue516.x: 2 errors in empty disjunction:
       // issue516.x: field `match` not allowed:
       //     ./in.cue:20:9
       //     ./in.cue:22:8
diff --git a/cue/testdata/eval/closed_disjunction.txtar b/cue/testdata/eval/closed_disjunction.txtar
@@ -15,7 +15,7 @@ b: #A & {
 }
 -- out/eval --
 Errors:
-b: empty disjunction: 2 related errors:
+b: 2 errors in empty disjunction:
 b: field `c` not allowed:
     ./in.cue:1:5
     ./in.cue:3:5
@@ -39,7 +39,7 @@ Result:
     c: (int){ 3 }
   }
   b: (_|_){
-    // [eval] b: empty disjunction: 2 related errors:
+    // [eval] b: 2 errors in empty disjunction:
     // b: field `c` not allowed:
     //     ./in.cue:1:5
     //     ./in.cue:3:5
diff --git a/cue/testdata/eval/disjunctions.txtar b/cue/testdata/eval/disjunctions.txtar
@@ -61,7 +61,7 @@ d100: {
 
 -- out/eval --
 Errors:
-f: empty disjunction: 2 related errors:
+f: 2 errors in empty disjunction:
 f.name: conflicting values "int" and "str":
     ./in.cue:5:8
     ./in.cue:15:4
@@ -96,7 +96,7 @@ Result:
     name: (string){ "str" }
   }
   f: (_|_){
-    // [eval] f: empty disjunction: 2 related errors:
+    // [eval] f: 2 errors in empty disjunction:
     // f.name: conflicting values "int" and "str":
     //     ./in.cue:5:8
     //     ./in.cue:15:4
diff --git a/cue/testdata/fulleval/024_Issue_#23.txtar b/cue/testdata/fulleval/024_Issue_#23.txtar
@@ -28,7 +28,7 @@ y: _|_ // ; empty disjunction: conflicting values 2 and 3
 }
 -- out/eval --
 Errors:
-y: empty disjunction: 2 related errors:
+y: 2 errors in empty disjunction:
 y.a: conflicting values 1 and 3:
     ./in.cue:1:12
     ./in.cue:2:4
@@ -47,7 +47,7 @@ Result:
       a: (int){ 2 }
     }) }
   y: (_|_){
-    // [eval] y: empty disjunction: 2 related errors:
+    // [eval] y: 2 errors in empty disjunction:
     // y.a: conflicting values 1 and 3:
     //     ./in.cue:1:12
     //     ./in.cue:2:4
diff --git a/cue/testdata/resolve/029_non-closed_definition_carries_over_closedness_to_enclosed_template.txtar b/cue/testdata/resolve/029_non-closed_definition_carries_over_closedness_to_enclosed_template.txtar
@@ -108,7 +108,7 @@ a.v: field `b` not allowed:
     ./in.cue:2:12
     ./in.cue:4:4
     ./in.cue:5:6
-b.w: empty disjunction: 1 related errors:
+b.w: 1 errors in empty disjunction:
 b.w: field `c` not allowed:
     ./in.cue:8:12
     ./in.cue:10:4
@@ -141,7 +141,7 @@ Result:
   b: (_|_){
     // [eval]
     w: (_|_){
-      // [eval] b.w: empty disjunction: 1 related errors:
+      // [eval] b.w: 1 errors in empty disjunction:
       // b.w: field `c` not allowed:
       //     ./in.cue:8:12
       //     ./in.cue:10:4
diff --git a/cue/testdata/resolve/030_definitions_with_disjunctions.txtar b/cue/testdata/resolve/030_definitions_with_disjunctions.txtar
@@ -61,7 +61,7 @@ baz: #Foo & {
 }
 -- out/eval --
 Errors:
-bar: empty disjunction: 1 related errors:
+bar: 1 errors in empty disjunction:
 bar: field `c` not allowed:
     ./in.cue:1:7
     ./in.cue:4:2
@@ -83,7 +83,7 @@ Result:
     a: (int){ 1 }
   }
   bar: (_|_){
-    // [eval] bar: empty disjunction: 1 related errors:
+    // [eval] bar: 1 errors in empty disjunction:
     // bar: field `c` not allowed:
     //     ./in.cue:1:7
     //     ./in.cue:4:2
diff --git a/cuego/examples_test.go b/cuego/examples_test.go
@@ -44,7 +44,7 @@ func ExampleComplete_structTag() {
 	//Output:
 	// completed: cuego_test.Sum{A:1, B:5, C:6} (err: <nil>)
 	// completed: cuego_test.Sum{A:2, B:6, C:8} (err: <nil>)
-	// empty disjunction: 2 related errors:
+	// 2 errors in empty disjunction:
 	// conflicting values null and {A:2,B:3,C:8} (mismatched types null and struct)
 	// A: conflicting values 5 and 2
 }
@@ -97,10 +97,10 @@ func ExampleConstrain() {
 	//Output:
 	// error: nil
 	// validate: nil
-	// validate: empty disjunction: 2 related errors:
+	// validate: 2 errors in empty disjunction:
 	// conflicting values null and {Filename:"foo.json",MaxCount:12,MinCount:39} (mismatched types null and struct)
 	// MinCount: invalid value 39 (out of bound <=12)
-	// validate: empty disjunction: 2 related errors:
+	// validate: 2 errors in empty disjunction:
 	// conflicting values null and {Filename:"foo.jso",MaxCount:120,MinCount:39} (mismatched types null and struct)
 	// Filename: invalid value "foo.jso" (out of bound =~".json$")
 }
diff --git a/internal/core/eval/disjunct.go b/internal/core/eval/disjunct.go
@@ -399,7 +399,8 @@ func (n *nodeContext) disjunctError() (errs errors.Error) {
 	} else {
 		disjuncts = errors.Sanitize(disjuncts)
 		k := len(errors.Errors(disjuncts))
-		errs = ctx.Newf("empty disjunction: %d related errors:", k)
+		// prefix '-' to sort to top
+		errs = ctx.Newf("%d errors in empty disjunction:", k)
 	}
 
 	errs = errors.Append(errs, disjuncts)
diff --git a/pkg/list/testdata/gen.txtar b/pkg/list/testdata/gen.txtar
@@ -76,12 +76,12 @@ error in call to list.Slice: negative index
 error in call to list.Slice: slice bounds out of range
 error in call to list.Take: negative index
 0: error in call to list.SortStrings: element 0 of list argument 0: cannot use value 1 (type int) as string
+Ascending.x: error in call to list.Sort: 2 errors in empty disjunction:
 Ascending.x: error in call to list.Sort: conflicting values number and {b:2} (mismatched types number and struct)
 Ascending.x: error in call to list.Sort: conflicting values string and {b:2} (mismatched types string and struct)
-Ascending.x: error in call to list.Sort: empty disjunction: 2 related errors:
+Ascending.y: error in call to list.Sort: 2 errors in empty disjunction:
 Ascending.y: error in call to list.Sort: conflicting values number and {a:1} (mismatched types number and struct)
 Ascending.y: error in call to list.Sort: conflicting values string and {a:1} (mismatched types string and struct)
-Ascending.y: error in call to list.Sort: empty disjunction: 2 related errors:
 t3: cannot use "foo" (type string) as list in argument 1 to list.Avg:
     ./in.cue:5:14
 t14: cannot use "foo" (type string) as int in argument 2 to list.FlattenN:
@@ -144,7 +144,7 @@ t39: [{
 	a: 2
 	v: 1
 }]
-t40: _|_ // error in call to list.Sort: Ascending.x: empty disjunction: 2 related errors: (and 11 more errors)
+t40: _|_ // error in call to list.Sort: Ascending.x: 2 errors in empty disjunction: (and 11 more errors)
 t41: ["a", "b"]
 t42: _|_ // error in call to list.SortStrings: element 0 of list argument 0: 0: cannot use value 1 (type int) as string (and 1 more errors)
 t43: 10
@@ -158,5 +158,5 @@ t50: true
 t51: false
 t52: true
 t53: false
-t54: _|_ // error in call to list.Sort: Ascending.x: empty disjunction: 2 related errors: (and 11 more errors)
+t54: _|_ // error in call to list.Sort: Ascending.x: 2 errors in empty disjunction: (and 11 more errors)
 
