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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| /* | ||
| * Copyright 2022 The Gremlins Authors | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package coverage | ||
|
|
||
| import ( | ||
| "go/token" | ||
| ) | ||
|
|
||
| // Block holds the start and end coordinates of a section of a source file | ||
| // covered by tests. | ||
| type Block struct { | ||
| StartLine int | ||
| StartCol int | ||
| EndLine int | ||
| EndCol int | ||
| } | ||
|
|
||
| // Profile is implemented as a map holding a slice of Block per each filename. | ||
| type Profile map[string][]Block | ||
|
|
||
| func (p Profile) IsCovered(pos token.Position) bool { | ||
| block, ok := p[pos.Filename] | ||
| if !ok { | ||
| return false | ||
| } | ||
| for _, b := range block { | ||
| if pos.Line >= b.StartLine && pos.Line <= b.EndLine { | ||
| if pos.Column >= b.StartCol && pos.Column <= b.EndCol { | ||
| return true | ||
| } | ||
| } | ||
| } | ||
| return false | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| /* | ||
| * Copyright 2022 The Gremlins Authors | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package coverage_test | ||
|
|
||
| import ( | ||
| "github.com/k3rn31/gremlins/coverage" | ||
| "go/token" | ||
| "testing" | ||
| ) | ||
|
|
||
| func TestIsCovered(t *testing.T) { | ||
| testCases := []struct { | ||
| name string | ||
| proFilename string | ||
| proStartL int | ||
| proEndL int | ||
| proStartC int | ||
| proEndC int | ||
|
|
||
| posFilename string | ||
| posL int | ||
| posC int | ||
|
|
||
| expected bool | ||
| }{ | ||
| { | ||
| name: "returns true when line and column are covered", | ||
| proFilename: "test", | ||
| proStartL: 10, | ||
| proEndL: 10, | ||
| proStartC: 10, | ||
| proEndC: 10, | ||
| posFilename: "test", | ||
| posL: 10, | ||
| posC: 10, | ||
| expected: true, | ||
| }, | ||
| { | ||
| name: "returns false when line is not covered and column is covered", | ||
| proFilename: "test", | ||
| proStartL: 10, | ||
| proEndL: 10, | ||
| proStartC: 10, | ||
| proEndC: 10, | ||
| posFilename: "test", | ||
| posL: 11, | ||
| posC: 10, | ||
| expected: false, | ||
| }, | ||
| { | ||
| name: "returns false when line is covered and column not covered", | ||
| proFilename: "test", | ||
| proStartL: 10, | ||
| proEndL: 10, | ||
| proStartC: 10, | ||
| proEndC: 10, | ||
| posFilename: "test", | ||
| posL: 10, | ||
| posC: 11, | ||
| expected: false, | ||
| }, | ||
| { | ||
| name: "returns false when filename is not found", | ||
| proFilename: "test_pro", | ||
| proStartL: 10, | ||
| proEndL: 10, | ||
| proStartC: 10, | ||
| proEndC: 10, | ||
| posFilename: "test_pos", | ||
| posL: 10, | ||
| posC: 10, | ||
| expected: false, | ||
| }, | ||
| } | ||
|
|
||
| for _, tc := range testCases { | ||
| tc := tc | ||
| t.Run(tc.name, func(t *testing.T) { | ||
| profile := coverage.Profile{ | ||
| tc.proFilename: { | ||
| { | ||
| StartLine: tc.proStartL, | ||
| StartCol: tc.proStartC, | ||
| EndLine: tc.proEndL, | ||
| EndCol: tc.proEndC, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| position := token.Position{ | ||
| Filename: tc.posFilename, | ||
| Offset: 100, | ||
| Line: tc.posL, | ||
| Column: tc.posC, | ||
| } | ||
|
|
||
| got := profile.IsCovered(position) | ||
|
|
||
| if got != tc.expected { | ||
| t.Errorf("expected coverage to be %v, got %v", tc.expected, got) | ||
| } | ||
| }) | ||
| } | ||
| } |
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