fix: show correct diff in "toHaveBeenCalledWith" (#3289)

sheremet-va · web-flow · commit 19fcd8df8291 · 2023-05-03T14:18:52.000+02:00
diff --git a/packages/expect/src/jest-expect.ts b/packages/expect/src/jest-expect.ts
@@ -356,7 +356,7 @@ export const JestChaiExpect: ChaiPlugin = (chai, utils) => {
     msg += c().gray(`\n\nReceived: \n${spy.mock.calls.map((callArg, i) => {
       let methodCall = c().bold(`    ${ordinalOf(i + 1)} ${spy.getMockName()} call:\n\n`)
       if (actualCall)
-        methodCall += diff(callArg, actualCall, { showLegend: false })
+        methodCall += diff(actualCall, callArg, { showLegend: false })
       else
         methodCall += stringify(callArg).split('\n').map(line => `    ${line}`).join('\n')
 
@@ -370,7 +370,7 @@ export const JestChaiExpect: ChaiPlugin = (chai, utils) => {
     msg += c().gray(`\n\nReceived: \n${spy.mock.results.map((callReturn, i) => {
       let methodCall = c().bold(`    ${ordinalOf(i + 1)} ${spy.getMockName()} call return:\n\n`)
       if (actualReturn)
-        methodCall += diff(callReturn.value, actualReturn, { showLegend: false })
+        methodCall += diff(actualReturn, callReturn.value, { showLegend: false })
       else
         methodCall += stringify(callReturn).split('\n').map(line => `    ${line}`).join('\n')
 
diff --git a/test/core/test/__snapshots__/mocked.test.ts.snap b/test/core/test/__snapshots__/mocked.test.ts.snap
@@ -6,8 +6,8 @@ exports[`mocked function which fails on toReturnWith > just one call 1`] = `
 Received: 
     1st spy call return:
 
-  - 1
-  + 2
+  - 2
+  + 1
 
 
 Number of calls: 1
@@ -20,18 +20,18 @@ exports[`mocked function which fails on toReturnWith > multi calls 1`] = `
 Received: 
     1st spy call return:
 
-  - 1
-  + 2
+  - 2
+  + 1
 
     2nd spy call return:
 
-  - 1
-  + 2
+  - 2
+  + 1
 
     3rd spy call return:
 
-  - 1
-  + 2
+  - 2
+  + 1
 
 
 Number of calls: 3
@@ -45,22 +45,22 @@ Received:
     1st spy call return:
 
     {
-  -   a: '1',
-  +   a: '4',
+  -   a: '4',
+  +   a: '1',
     }
 
     2nd spy call return:
 
     {
-  -   a: '1',
-  +   a: '4',
+  -   a: '4',
+  +   a: '1',
     }
 
     3rd spy call return:
 
     {
-  -   a: '1',
-  +   a: '4',
+  -   a: '4',
+  +   a: '1',
     }
 
 
