Direct unit tests for the indent-splice helpers. These test the functions in isolation so a helper bug surfaces here with a descriptive failure instead of as a rendered-file mismatch deep in an integration test.
(t *testing.T)
| 12 | // in an integration test. |
| 13 | |
| 14 | func TestDetectIndentUnit(t *testing.T) { |
| 15 | t.Parallel() |
| 16 | |
| 17 | tests := []struct { |
| 18 | name string |
| 19 | lines []string |
| 20 | wantUnit string |
| 21 | wantOK bool |
| 22 | }{ |
| 23 | { |
| 24 | name: "Empty", |
| 25 | lines: nil, |
| 26 | wantUnit: "", |
| 27 | wantOK: false, |
| 28 | }, |
| 29 | { |
| 30 | name: "NoIndent", |
| 31 | lines: []string{"foo\n", "bar\n"}, |
| 32 | wantUnit: "", |
| 33 | wantOK: false, |
| 34 | }, |
| 35 | { |
| 36 | name: "TabOnly", |
| 37 | lines: []string{"\tfoo\n", "\t\tbar\n"}, |
| 38 | wantUnit: "\t", |
| 39 | wantOK: true, |
| 40 | }, |
| 41 | { |
| 42 | name: "FourSpaceUniform", |
| 43 | lines: []string{" foo\n", " bar\n"}, |
| 44 | wantUnit: " ", |
| 45 | wantOK: true, |
| 46 | }, |
| 47 | { |
| 48 | name: "TwoSpaceUniform", |
| 49 | lines: []string{" foo\n", " bar\n"}, |
| 50 | wantUnit: " ", |
| 51 | wantOK: true, |
| 52 | }, |
| 53 | { |
| 54 | name: "GCDReducesFourAndSixToTwo", |
| 55 | lines: []string{" foo\n", " bar\n"}, |
| 56 | wantUnit: " ", |
| 57 | wantOK: true, |
| 58 | }, |
| 59 | { |
| 60 | name: "MixedAcrossLinesTabAndSpace", |
| 61 | lines: []string{"\tfoo\n", " bar\n"}, |
| 62 | wantUnit: "", |
| 63 | wantOK: false, |
| 64 | }, |
| 65 | { |
| 66 | name: "MixedWithinLeadTabThenSpace", |
| 67 | lines: []string{"\t foo\n"}, |
| 68 | wantUnit: "", |
| 69 | wantOK: false, |
| 70 | }, |
| 71 | { |
nothing calls this directly
no test coverage detected