1 | const semver = require('../../');
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2 | const diff = semver.diff;
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3 |
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4 |
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5 |
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6 |
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7 |
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8 |
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9 |
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10 | describe('test diff', () => {
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11 |
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12 | it('diff(v1, v2): same versions', () => {
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13 | expect(diff('1', '1')).toBe(null);
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14 | expect(diff('1.1', '1.1')).toBe(null);
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15 | expect(diff('1.1.2', '1.1.2')).toBe(null);
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16 | expect(diff('1.1.1.1', '1.1.1.1')).toBe(null);
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17 | expect(diff('1.0.0.alpha.1', '1.0.0.alpha.1')).toBe(null);
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18 | expect(diff('1.1.2-1', '1.1.2.pre.1')).toBe(null);
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19 | expect(diff('1.1.2.pre.1', '1.1.2-1')).toBe(null);
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20 | expect(diff('2', '2.0')).toBe(null);
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21 | expect(diff('2.0', '2')).toBe(null);
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22 | expect(diff('2', '2.0.0')).toBe(null);
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23 | expect(diff('2.0.0', '2')).toBe(null);
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24 | expect(diff('2', '2.0.0.0')).toBe(null);
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25 | expect(diff('2.0.0.0', '2')).toBe(null);
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26 | });
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27 |
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28 | it('diff(v1, v2): major versions', () => {
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29 | expect(diff('1', '3')).toBe('major');
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30 | expect(diff('1.1', '3.1')).toBe('major');
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31 | expect(diff('1.1.2', '3.0.0')).toBe('major');
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32 | expect(diff('1.1.2', '2.0.0')).toBe('major');
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33 | expect(diff('1.1.1.1', '2.0.0')).toBe('major');
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34 | });
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35 |
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36 | it('diff(v1, v2): minor versions', () => {
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37 | expect(diff('1.1', '1.2')).toBe('minor');
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38 | expect(diff('1.1.2', '1.2.1.1')).toBe('minor');
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39 | expect(diff('1.1.2', '1.2.0')).toBe('minor');
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40 | expect(diff('1.1.2.1', '1.2.0')).toBe('minor');
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41 | expect(diff('1.1.2.1', '1.2.0.1')).toBe('minor');
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42 | });
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43 |
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44 | it('diff(v1, v2): patch versions', () => {
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45 | expect(diff('1.1.2', '1.1.3')).toBe('patch');
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46 | expect(diff('1.1.2', '1.1.2.1')).toBe('patch');
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47 | expect(diff('1.1.2.1', '1.1.3')).toBe('patch');
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48 | expect(diff('1.1.2.1', '1.1.3.2.1')).toBe('patch');
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49 | expect(diff('1.1.2.1', '1.1.2.1.1.1.2')).toBe('patch');
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50 | expect(diff('1.1.2.1.1.1.1', '1.1.2.1.1.1.2')).toBe('patch');
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51 | });
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52 |
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53 | it('diff(v1, v2): premajor versions', () => {
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54 | expect(diff('1.0.0.alpha.1', '2.0.0')).toBe('premajor');
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55 | });
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56 |
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57 | it('diff(v1, v2): preminor versions', () => {
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58 | expect(diff('1.1.2.alpha.1', '1.2.0')).toBe('preminor');
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59 | });
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60 |
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61 | it('diff(v1, v2): prepatch versions', () => {
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62 | expect(diff('1.1.2.alpha.1', '1.1.3')).toBe('prepatch');
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63 | expect(diff('1.1.2.3.alpha.1', '1.1.2.alpha.2')).toBe('prepatch');
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64 | expect(diff('1.1.2.3.alpha.1', '1.1.2.4.alpha.2')).toBe('prepatch');
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65 | expect(diff('1.1.2.alpha.1', '1.1.2.1')).toBe('prepatch');
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66 | });
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67 |
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68 | it('diff(v1, v2): prerelease versions', () => {
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69 | expect(diff('1.1.2.alpha.1', '1.1.2.alpha.2')).toBe('prerelease');
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70 | expect(diff('1.1.2.3.alpha.1', '1.1.2.3.alpha.2')).toBe('prerelease');
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71 | expect(diff('1.alpha.1', '1')).toBe('prerelease');
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72 | })
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73 | });
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